ILLUSTRATED
PAR TS MANUAL
Mulching Deck and
Carrier Frame Assemblies
DM36
DM42A
DM42B
DM48
8600-28
60 lb·ft (81 N· m)
8600-9
5846-1
8600-14
8600-28
Effective Date: 04-01-13
P/N 5000-24
KEY TO ABBREVIA TIONS USED IN THIS MANUAL
Abbreviation What it Represents
º (Dimension) .....................................................................................................................................Degrees (Angle)
" (Dimension) .....................................................................................................................................................inches
(-) ....................................................................................................................................................Negative (Polarity)
(+) ....................................................................................................................................................Positive (Polarity)
AT ................................................................................................................................................................All-Terrain
CCW ...............................................................................................................................................Counter-clockwise
Conn. ..........................................................................................................................................................Connector
CW ...............................................................................................................................................................Clockwise
D ...................................................................................................................................................................Diameter
DC ..................................................................................................Deck, Collection (number refers to size in inches)
DM ...................................................................................................Deck, Mulching (number refers to size in inches)
DR .........................................................................................Deck, Rear Discharge (number refers to size in inches)
DS...........................................................................................Deck, Side Discharge (number refers to size in inches)
DU ...................................................................................................................................................Garlock (Bearing)
ESNA (Fastener)..........................................................................................................................Nylon Insert Locknut
FSC ........................................................................................................................................Forward Speed Control
GA.....................................................................................................................................................................Gauge
gal. .....................................................................................................................................................................gallon
GHS ........................................................................................................................................Grass Handling System
GR (Fastener) ....................................................................................................................................................Grade
HD .............................................................................................................................................................Heavy Duty
HP ...........................................................................................................................................................Horse Power
ID ...............................................................................................................................Identication or Inside Diameter
L ........................................................................................................................................................................Length
LH ............................................................................................................Left Hand (orientated with operator on seat)
LP ..............................................................................................................................................................Low Prole
mm (Dimension) .........................................................................................................................................millimeters
MS (Fastener) ......................................................................................................................................Machine Screw
NS (as part number).....................................................................................Item is not sold by Walker Manufacturing
OD ...................................................................................................................................................Outside Diameter
oz. ......................................................................................................................................................................ounce
PFH (Fastener) ................................................................................................................................Phillips Flat Head
P/N...........................................................................................................................................................Part Number
PPH (Fastener) ................................................................................................................................Phillips Pan Head
PTH (Fastener) ..............................................................................................................................Phillips Truss Head
PTO .................................................................................................................................................... Power T ake-Off
QKS ...........................................................................................................................................................Quick Slide
qt..........................................................................................................................................................................quart
RH ........................................................................................................Right Hand (orientated with operator on seat)
SAE (Fastener) .........................................................................................................Society of Automotive Engineers
SBH (Fastener) ...................................................................................................................Socket Button Head (Bolt)
SD........................................................................................................................................................Side Discharge
SFH (Fastener) .................................................................................................................................Slotted Flat Head
SHC (Fastener)................................................................................................................................Socket Head Cap
SHL (Fastener) ....................................................................................................................................Shoulder (Bolt)
SM (Fastener) ..............................................................................................................................Sheet Metal (Screw)
S/N........................................................................................................................................................Serial Number
Spg. ...................................................................................................................................................................Spring
SQH (Fastener) ......................................................................................................................................Square Head
SS (Fastener) ......................................................................................................................................Stainless Steel
ST (Fastener) ..............................................................................................................................Self-T apping (Screw)
Term. ..............................................................................................................................................................Terminal
V ..........................................................................................................................................................................Volts
NOTE: In some instances, combinations of abbreviations may be used (e.g. PPHMS - Phillips Pan Head Machine Screw).
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
ILLUSTRA TED P ARTS LIST
Section of Deck Covered Page Section of Deck Covered Page
Decals & Paint
36", 42" & 48" Deck Decals / Touch-Up Paint ............2
Deck and Carrier Frame Assemblies
DM36 Inch Complete Carrier Frame Assembly .........4
DM36 Deck Assembly ...............................................6
48 Inch Complete Carrier Frame Assembly...............8
DM42A Deck Assembly...........................................10
DM42B Deck Assembly ..........................................12
DM48 Deck Assembly .............................................14
Maintenance
Lubrication Points ...................................................16
H24d, H25 And H27i Deck Arm Adapter Kit .............17
Blade Usage Chart..................................................18
Fastener Loctite® Application &
T orque Instructions .................................................19
Maintenance And Service Record Sheet.................20
Deck / Tractor Compatibility Chart...........................20
Warranty
Limited Warranty .....................................................21
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
1
36", 42" & 48" DECK DECALS / TOUCH-UP P AINT
ITEM PART DESCRIPTION LOCATION NO.
NO. NO. REQ’D
DM36, DM42A & DM42B Deck Decals
1 8600-15 Caution, Pivot Joint Carrier Frame 2
2 6875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
3 5846-1 Grease Fitting PTO Shaft Guard 1
4 8600-7 Cutting Height Adjustment Gearbox Cover 1
5 8600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
6 8821-14 Decal (36") Carrier Frame 1
8821-16 Decal (48") Carrier Frame 1
7 5809-2 Decal, Walker Carrier Frame 1
8 8600-14 Danger, T ilt-Up Carrier Frame, Front 1
9 8600-9 Blade Mounting T orque Gearbox Cover 1
DM48 Deck Decals
1 8600-15 Caution, Pivot Joint Carrier Frame 2
2 6875 PTO Alignment Arrow Universal Joint Shaft Assembly 1
3 5846-1 Grease Fitting PTO Shaft Guard 1
4 8600-7 Cutting Height Adjustment Gearbox Cover 1
5 8600-28 Danger, Rotating Blades Deck Housing (one on each end) 2
6 8821-16 Decal (48") Carrier Frame 1
7 5809-2 Decal, Walker Carrier Frame 1
8 8600-14 Danger, T ilt-Up Carrier Frame, Front 1
9 8600-9 Blade Mounting T orque Gearbox Cover 1
Touch-Up Paint
10 5866 Touch-Up Paint, Yellow (12 oz. Aerosol)
NOTE: All parts requiring decals are shipped with decals applied.
Effective Date 04-01-13
2
Use only genuine Walker® replacement parts.
36", 42" & 48" DECK DECALS / TOUCH-UP PAINT
.
8600-28
DM36, DM42A &
DM42B Deck Assemblies
8600-28
5
.
9
.
1
60 lb·ft (81 N ·m)
8600-9
.
5846-1
.
2
.
3
5
.
.
7
8600-14
8
4
1
8600-28
6
5
2
1
60 lb·ft (81 N·m)
8600-9
9
5846-1
3
DM48 Deck Assembly
4
7
8600-14
8
1
8600-28
6
.
5
10
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
3
DM36 INCH COMPLETE CARRIER FRAME ASSEMBLY
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Spring and Pivot Mount Components
1 5975-3 Cable Tie (50# x 7") 4
2 5744-1 Spring Clip Bracket 1
3 5743-1 Spring Cover 2
4 5743-4 Eyebolt (3/8-16 x 2-3/4) 2
5 5830 Grease Fitting 8
6 8667-29 Pivot Mount Adj., LH 1
8667-3 Pivot Mount Assembly, LH/Adj. *
(Includes Items # 5, 6, F353, F489 & F520)
7 8667-28 Pivot Mount Adj., RH 1
8667-4 Pivot Mount Assembly , RH/Adj. *
(Includes Items # 5, 7, F353, F489 & F520)
8 5743-8 Extension Spring (1-1/2 x 7-3/4) 2
(Includes Items # 1, F117 & F166)
Carrier Frame Components
9 8674-11 Lever, Deck Lock, LH 1
10 7406-1 Handle Grip (Red) 2
11 8669 Lift Handle 1
12 5748-10 Rubber Mat (1-1/2 x 6) 2
13 5740-2 Deck Pin Bushing (5/8) 4
14 5708-8 DML36 Carrier Frame 1
(Includes Item # 12)
5708-7 DML36 Carrier Frame W/Forks *
(Includes Items # 12, 21-23, 25,
F055, F068 & F098)
15 8674-10 Lever, Deck Lock, RH 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F012 3/8-16 Keps Nut 2
F020 5/16-18 ESNA Nut 2
F047 3/8-16 x 4-1/2 Hex Bolt 2
F055 5/8 SAE Washer 2
F068 1/8 x 1 Cotter Pin 2
F084 5/16 Wave Spring Washer 2
F098 5/8-18 Slotted Hex Nut 2
F117 Retainer Ring 2
F123 1" External Snap Ring 4
F166 Retainer Ring 2
F226 5/16-18 x 7/8 Hex Bolt 2
F317 3/16 x 1 Split Spring Pin 2
F335 3/8-16 x 7/8 Set Screw, SS 2
F336 3/8-16 Jam Nut 2
F353 3/8-16 ESNA LP Nut 2
F489 Washer 1/4 x 7/8 x .090 2
F520 1/4-28 x 3/8 Hex Bolt 2
* Service Part Only
** May be ordered as a kit for dealer installation. Contact your
Walker dealer .
Caster Wheel Components
16 5714-7 Bearing Cap 4
17 5714-5 Bearing, Caster Wheel 2
18 5830-3 Grease Fitting (45 Degree) 2
19 5715-4 Caster Wheel, Pneumatic (8 x 3.00-4) 2
(Includes Items # 16-18)
5715-10 Tire, Pneumatic (8 x 3.00-4) *
5715-9 Tire Tube, Pneumatic (2.80/2.50-4) *
5715-3 Caster Wheel & Tire/No-Flat (8 x 3.00-4) **
5715-11 Tire, Caster Wheel/No-Flat (8 x 3.00-4) **
20 5714-3 Axle Spacer Tube 2
21 5770-1 Caster Wheel Fork 2
22 8768-1 Seal (1-3/4 x 1-1/8) 2
23 8037 Bearing Cone (3/4 ID) 4
24 8769-1 Bearing Cup (1-3/4 x 1-7/16) 4
25 8769-9 Dust Cap, Deck Caster 2
4
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
DM36 INCH COMPLETE CARRIER FRAME ASSEMBLY
.
1
.
2
.
3
.
.
.
.
10
.
.
.
25
.
F068
.
F098
.
.
F055
23
.
14
13
24
24
23
.
22
.
21
.
.
5
.
F123
F226
.
15
.
F084
.
.
F317
.
5
.
12
8600-14
.
F520
4
F489
F353
F117
.
8
.
F336
F335
5
.
.
F020
F047
.
.
.
.
F166
.
7
F166
8
F117
.
1
3
4
5
6
5
F336
F335
F489
F520
.
F353
.
F317
9
10
F012
16
20
.
11
F020
F084
F226
19
18
17
16
8600-28
60 lb·ft (81 N· m)
8600-9
5846-1
8600-28
Refer to DM36
DECK ASSEMBLY,
Page 6
Refer to LUBRICATION POINTS, Page 16.
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
5
DM36 DECK ASSEMBL Y
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Gearbox and Drive Components
1 8618-1 Cover, PTO Shaft Guard 1
2 8619-2 PTO Shaft Guard 1
8618-3 PTO Shaft Guard Assembly *
(Includes Items # 1, 2, F002 & F025)
3 5285-15 U-Joint Shaft Assy, 90 Degree, Spline 1
(Includes Items # 21, F069 & F295)
4 7275-16 U-Joint Tube Assy , Spline 1
5 5275-15 U-Joint Tube Assy (9.5" OAL), Spline 1
(Includes Item # F076)
6 5704-82 DML36 Gearbox Tube Assembly 1
(Includes Items # 7-16, F136,
F179 & F211)
7 5706-4 Seal Protector Plate 2
8 6054 Spline Coupling 3
9 P007 Gasket, Cap (Peerless #788030) 4
10 5065 Connector Tube (7-1 1/16) 1
11 6733-4 Connecting Shaft (5-5/16) 1
12 5052-4 Gearbox (LH 1.2:1) 1
13 5704-1 Gearbox Cover Support 2
14 5051-16 T ee Gearbox, Shear 1
15 5060 Connector Tube (2-5/16) 1
16 5053-4 Gearbox (RH 1.2:1) 1
17 5052-3 1.375 x .750 x .187 Washer 4
18 5747-11 Rubber Mat (3 x 6) 2
19 5746-6 DML36 Gearbox Cover 1
(Includes Item # 18)
20 5830 Grease Fitting 1
21 8067-13 Shear Pin w/Cotter (Set of 5) *
(Includes Item # F069)
Deck Housing Components
22 8670 Tilt-Up Hook 1
23 9772 Roller Wheel Assembly (2-1/2) 2
(Includes Item # F059)
24 8490-1 Roller Wheel Axle Bolt 2
25 NS Deck Serial Number Plate 1
26 5705-23 Blade 19" Mulch, Special 2
27 5706 Blade Hub & Trash Guard 2
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
28 8735-10 Rubber Mat (5 x 6) 2
29 7775-1 Hitch Pin, LH (Silver) #6 2
30 8788-1 Rubber Mat (1 x 2) 1
31 5702-7 DML36 Deck Housing 1
(Includes Items # 28 & 30)
32 7775-2 Hitch Pin, RH (Gold) #6 2
33 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 2
F013 3/8-16 Whiz Locknut 6
F018 5/8-18 Hex Nut 2
F025 10-24 x 3/8 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F039 3/8-16 x 1-1/4 Hex Bolt 4
F050 1/4 SAE Washer 4
F055 5/8 SAE Washer 2
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F069 3/32 x 1/2 Cotter Pin 1
F076 3/8-16 x 5/8 SQH Set Screw *
F124 10-32 x 3/8 Taptite MS 6
F136 AN960C416L Washer 16
F179 1/4-20 x 1 Hex Bolt 4
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F211 1/4-20 x 7/8 Hex Bolt 12
F246 1/4-20 x 1/2 PTHMS 2
F295 3/16 x 1-1/2 Split Spring Pin 1
F403 1/4-20 x 1/2 PTHMS, SS 2
* Service Part Only
NOTE: Order Item # 4 to use the splined deck PTO shaft with
Model T23, T25i, T30i, D21d, C19 and B19.
NOTE: Order Item # 5 to use the splined deck PTO shaft with
Model S14 and B18.
Effective Date 04-01-13
6
Use only genuine Walker® replacement parts.
DM36 DECK ASSEMBL Y
.
8600-14
5846-1
F136
.
24
13
.
F211
.
.
F124
.
23
.
1
.
12
7
.
10
.
F059
.
2
.
F050
.
F029
.
F002
.
21
.
20
.
F069
Refer to DM36 INCH
CARRIER FRAME ASSEMBLY ,
Page 4
4
.
.
F076
.
5
.
F295
.
3
.
6
9
8
F013
.
F136
.
19
.
F179
F025
.
F246
.
.
18
.
F039
.
17
.
16
.
F013
.
.
9
15
F050
60 lb·ft (81 N·m)
8600-9
.
13
.
.
.
14
9
8
.
8
.
F004
.
.
33
8600-28
.
.
32
.
22
.
F403
.
11
9
28
31
30
.
28
29
.
26
.
F002
F055
F056
F018
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
8600-28
.
F202
.
27
.
.
F206
25
Refer to FASTENER LOCTITE APPLICATION &
TORQUE INSTRUCTIONS, Page 19.
27
.
.
26
Refer to LUBRICATION POINTS, Page 16.
7
48 INCH COMPLETE CARRIER FRAME ASSEMBLY
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Spring and Pivot Mount Components
1 5975-3 Cable Tie (50# x 7") 4
2 5744-1 Spring Clip Bracket 1
3 5743-1 Spring Cover 2
4 5743-3 Eyebolt (3/8-16 x 2) 2
5743-4 Eyebolt (3/8-16 x 2-3/4) 2***
5 5830 Grease Fitting 8
6 8667-29 Pivot Mount Adj., LH 1
8667-3 Pivot Mount Assembly , LH/Adj. *
(Includes Items # 5, 6, F014, F489 & F520)
7 8667-28 Pivot Mount Adj., RH 1
8667-4 Pivot Mount Assembly , RH/Adj. *
(Includes Items # 5, 7, F014, F489 & F520)
8 5743-8 Extension Spring (1-1/2 x 7-3/4) 2
(Includes Items # 1, F117 & F166)
Carrier Frame Components
9 8674-11 Lever, Deck Lock, LH 1
10 7406-1 Handle Grip (Red) 2
11 8669 Lift Handle 1
12 5748-10 Rubber Mat (1-1/2 x 6) 2
13 5740-2 Deck Pin Bushing (5/8) 4
14 8661-2 48" Carrier Frame (Less Pivots) 1
(Includes Item # 12)
8661-1 48" Carrier Frame w/Forks (Less Pivots) *
(Includes Items # 12, 21-23, 25,
F055, F068 & F098)
15 8674-10 Lever, Deck Lock, RH 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Fasteners
F012 3/8-16 Keps Nut 2
F014 3/8-16 ESNA Nut 2
F020 5/16-18 ESNA Nut 2
F047 3/8-16 x 4-1/2 Hex Bolt 2
F055 5/8 SAE Washer 2
F068 1/8 x 1 Cotter Pin 2
F084 5/16 Wave Spring Washer 2
F098 5/8-18 Slotted Hex Nut 2
F117 Retainer Ring 2
F123 1" External Snap Ring 4
F166 Retainer Ring 2
F226 5/16-18 x 7/8 Hex Bolt 2
F317 3/16 x 1 Split Spring Pin 2
F335 3/8-16 x 7/8 Set Screw, SS 2
F336 3/8-16 Jam Nut 2
F489 Washer 1/4 x 7/8 x .090 2
F520 1/4-28 x 3/8 Hex Bolt 2
* Service Part Only
** May be ordered as a kit for dealer installation. Contact your
Walker dealer .
*** Item used with DM42A and DM42B Mulching Decks only
NOTE: The 48 Inch Carrier Frame is also used on the DM42A
Mulching Deck and DM42B Mulching Deck.
Caster Wheel Components
16 5714-7 Bearing Cap 4
17 5714-5 Bearing, Caster Wheel 2
18 5830-3 Grease Fitting (45 Degree) 2
19 5715-4 Caster Wheel, Pneumatic (8 x 3.00-4) 2
(Includes Items # 16-18)
5715-10 Tire, Pneumatic (8 x 3.00-4) *
5715-9 Tire Tube, Pneumatic (2.80/2.50-4) *
5715-3 Caster Wheel & Tire/No-Flat (8 x 3.00-4) **
5715-11 Tire, Caster Wheel/No-Flat (8 x 3.00-4) **
20 5714-3 Axle Spacer Tube 2
21 5770-1 Caster Wheel Fork 2
22 8768-1 Seal (1-3/4 x 1-1/8) 2
23 8037 Bearing Cone (3/4 ID) 4
24 8769-1 Bearing Cup (1-3/4 x 1-7/16) 4
25 8769-9 Dust Cap, Deck Caster 2
8
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
48 INCH COMPLETE CARRIER FRAME ASSEMBLY
.
1
.
2
.
3
.
F520
4
.
F489
.
F336
.
.
15
10
.
F317
.
5
F335
.
25
.
F068
.
F098
.
.
F055
23
.
.
14
13
24
24
23
.
22
.
21
.
F047
.
.
.
.
5
F123
.
.
F226
.
F084
.
F020
F020
.
.
F014
.
12
8600-14
F084
F226
.
.
8
F117
F117
.
5
.
.
.
F166
1
3
4
.
5
6
7
5
F336
F335
F489
F520
F014
F317
.
9
10
.
F012
16
.
11
20
19
18
17
16
8600-28
60 lb·ft (81 N·m)
8600-9
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
8600-28
5846-1
60 lb·ft (81 N·m)
8600-9
5846-1
8600-28
Refer to DM48
DECK ASSEMBLY, Page 14
8600-28
Refer to DM42A
DECK ASSEMBLY, Page 10 or
DM42B DECK ASSEMBLY, Page 12
Refer to LUBRICATION POINTS, Page 16.
9
DM42A DECK ASSEMBL Y
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Gearbox and Drive Components
1 8618-1 Cover, PTO Shaft Guard 1
2 8619 PTO Shaft Guard 1
8618 PTO Shaft Guard Assembly *
(Includes Items # 1, 2, F002 & F025)
3 5285-3 U-Joint Shaft, 90 Degree (14-7/8) 1
(Includes Items # 21, F069 & F295)
4 7275-16 U-Joint Tube Assy , Spline 1
5 5275-15 U-Joint Tube Assy (9.5" OAL), Spline 1
(Includes Item # F076)
6 5704-55 42" Mulch Gearbox and 1
Tube Assembly , HD
(Includes Items # 7-16, F136,
F179 & F211)
7 6054 Spline Coupling 4
8 P007 Gasket, Cap (Peerless #788030) 4
9 5063 Gearbox Connector Tube (8-5/8) 1
10 6733-3 Connecting Shaft (6-1/4) 1
11 5052-8 HD Gearbox (LH Rotation) 1
12 5704-1 Gearbox Cover Support 2
13 5051-6 HD Tee Gearbox, Shear 1
14 6733-1 Connecting Shaft (2") 1
15 5062 Gearbox Connector Tube (4-3/8) 1
16 5053-8 HD Gearbox (RH Rotation) 1
17 5052-3 1.375 x .750 x .187 Washer 4
18 5747-11 Rubber Mat (3 x 6) 2
19 5785-5 42" Gearbox Cover 1
(Includes Item # 18)
20 5830 Grease Fitting 1
21 8067-13 Shear Pin w/Cotter (Set of 5) *
(Includes Item # F069)
Deck Housing Components
22 8670 Tilt-Up Hook 1
23 9772 Roller Wheel Assembly (2-1/2) 2
(Includes Item # F059)
24 8490-1 Roller Wheel Axle Bolt 2
25 NS Deck Serial Number Plate 1
26 5705-28 Blade 22" Mulch, Special 2
5705-19 DML42A Blade Set W/Hubs *
(Includes Items # 26, 27, F002 & F202)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
27 5706 Blade Hub & Trash Guard 2
28 8735-10 Rubber Mat (5 x 6) 2
29 7775-1 Hitch Pin, LH (Silver) #6 2
30 8788-1 Rubber Mat (1 x 2) 1
31 5701-11 DML42A Deck Housing 1
(Includes Items # 28 & 30)
32 7775-2 Hitch Pin, RH (Gold) #6 2
33 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 2
F013 3/8-16 Whiz Locknut 2
F018 5/8-18 Hex Nut 2
F025 10-24 x 3/8 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F038 3/8-16 x 1 Hex Bolt 4
F050 1/4 SAE Washer 4
F055 5/8 SAE Washer 2
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F069 3/32 x 1/2 Cotter Pin 1
F076 3/8-16 x 5/8 SQH Set Screw *
F136 AN960C416L Washer 16
F179 1/4-20 x 1 Hex Bolt 4
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F211 1/4-20 x 7/8 Hex Bolt 12
F246 1/4-20 x 1/2 PTHMS 2
F278 3/8 Split Lock Washer 4
F295 3/16 x 1-1/2 Split Spring Pin 1
F403 1/4-20 x 1/2 PTHMS, SS 2
* Service Part Only
NOTE: Order Item # 4 to use the splined deck PTO shaft with
Model T23, T25i, T30i, D21d, C19 and B19.
NOTE: Order Item # 5 to use the splined deck PTO shaft with
Model S14 and B18.
10
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
DM42A DECK ASSEMBL Y
.
.
.
.
F050
F029
.
F002
.
2
F069
.
8600-14
F295
Refer to 48 INCH
CARRIER FRAME ASSEMBLY ,
4
.
.
Page 8
.
F076
.
5
3
.
6
.
.
F246
.
F050
.
F025
.
1
19
60 lb·ft (81 N·m)
18
.
16
.
.
.
.
.
F278
F038
17
.
8600-9
.
.
12
.
F136
F179
.
7
8
.
15
8
14
13
5846-1
.
21
.
20
.
12
11
7
.
F136
.
.
F211
24
.
9
.
23
.
F059
8
7
.
F013
.
7
F004
.
22
.
33
8600-28
.
.
.
.
F403
.
10
8
32
.
28
31
30
.
29
28
.
.
F202
.
27
8600-28
.
.
F206
25
Refer to FASTENER LOCTITE APPLICATION &
TORQUE INSTRUCTIONS, Page 19.
26
F002
.
.
.
F055
F056
F018
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
27
26
Refer to LUBRICATION POINTS, Page 16.
11
DM42B DECK ASSEMBL Y
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Gearbox and Drive Components
1 8618-1 Cover, PTO Shaft Guard 1
2 8619 PTO Shaft Guard 1
8618 PTO Shaft Guard Assembly *
(Includes Items # 1, 2, F002 & F025)
3 5285-3 U-Joint Shaft, 90 Degree (14-7/8) 1
(Includes Items # 21, F069 & F295)
4 7275-16 U-Joint Tube Assy , Spline 1
5 5275-15 U-Joint Tube Assy (9.5" OAL), Spline 1
(Includes Item # F076)
6 5704-54 42" Mulch Gearbox and 1
Tube Assembly , HD
(Includes Items # 7-16, F136,
F179 & F211)
7 6054 Spline Coupling 4
8 P007 Gasket, Cap (Peerless #788030) 4
9 5063 Gearbox Connector Tube (8-5/8) 1
10 6733-3 Connecting Shaft (6-1/4) 1
11 5052-5 HD Gearbox (LH Rotation) 1
12 5704-1 Gearbox Cover Support 2
13 5051-6 Tee Gearbox, Shear 1
14 6733-1 Connecting Shaft (2") 1
15 5062 Gearbox Connector Tube (4-3/8) 1
16 5053-5 HD Gearbox (RH Rotation) 1
17 5052-3 1.375 x .750 x .187 Washer 4
18 5747-11 Rubber Mat (3 x 6) 2
19 5785-5 42" Gearbox Cover 1
(Includes Item # 18)
20 5830 Grease Fitting 1
21 8067-13 Shear Pin w/Cotter (Set of 5) *
(Includes Item # F069)
Deck Housing Components
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
28 5705-11 Blade, 22" (Upper Mulching) 2
5705-12 42DML Blade Set W/Hubs *
(Includes Items # 26-28, F002 & F202)
29 7775-1 Hitch Pin, LH (Silver) #6 2
30 8735-10 Rubber Mat (5 x 6) 2
31 8788-1 Rubber Mat (1 x 2) 1
32 5701-13 DML42B Deck Housing 1
(Includes Items # 30 & 31)
33 7775-2 Hitch Pin, RH (Gold) #6 2
34 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 2
F013 3/8-16 Whiz Locknut 2
F025 10-24 x 3/8 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F038 3/8-16 x 1 Hex Bolt 4
F050 1/4 SAE Washer 4
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F069 3/32 x 1/2 Cotter Pin 1
F076 3/8-16 x 5/8 SQH Set Screw *
F136 AN960C416L Washer 16
F179 1/4-20 x 1 Hex Bolt 4
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F211 1/4-20 x 7/8 Hex Bolt 12
F246 1/4-20 x 1/2 PTHMS 2
F278 3/8 Split Lock Washer 4
F295 3/16 x 1-1/2 Split Spring Pin 1
F403 1/4-20 x 1/2 PTHMS, SS 2
F404 5/8-18 Jam Nut 2
22 8670 Tilt-Up Hook 1
23 9772 Roller Wheel Assembly (2-1/2) 2
(Includes Item # F059)
24 8490-1 Roller Wheel Axle Bolt 2
25 NS Deck Serial Number Plate 1
26 5706 Blade Hub & Trash Guard 2
27 5705-10 Blade, 21" (Lower Mulching) 2
12
* Service Part Only
NOTE: Order Item # 4 to use the splined deck PTO shaft with
Model T23, T25i, T30i, D21d, C19 and B19.
NOTE: Order Item # 5 to use the splined deck PTO shaft with
Model S14 and B18.
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
DM42B DECK ASSEMBL Y
.
8600-14
.
.
F136
.
F179
F025
.
F246
F050
.
.
19
60 lb·ft (81 N·m)
18
.
16
.
.
.
.
F278
.
F038
17
.
8600-9
.
12
.
7
8
15
.
8
14
13
7
.
.
1
.
2
.
F050
5846-1
.
F029
.
F002
.
21
.
20
.
.
12
11
F069
.
F295
.
3
.
Refer to 48 INCH
CARRIER FRAME ASSEMBLY ,
4
Page 8
F076
.
.
.
6
5
7
.
F004
.
22
.
34
8600-28
.
.
33
.
.
F403
.
10
8
30
32
31
.
29
30
.
. .
F202
.
.
26
27
F136
.
F211
.
24
.
9
.
23
.
F059
8
7
.
F013
8600-28
.
F206
25
Refer to FASTENER LOCTITE APPLICATION &
TORQUE INSTRUCTIONS, Page 19.
28
26
28
F002
.
.
F056
F404
27
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
Refer to LUBRICATION POINTS, Page 16.
13
DM48 DECK ASSEMBL Y
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Gearbox and Drive Components
1 8618-1 Cover, PTO Shaft Guard 1
2 8619 PTO Shaft Guard 1
8618 PTO Shaft Guard Assembly *
(Includes Items # 1, 2, F002 & F025)
3 7285-15 U-Joint Shaft Assy, 90 Degree, Spline 1
(Includes Items # 22, F069 & F295)
4 7275-16 U-Joint Tube Assy , Spline 1
5 5275-15 U-Joint Tube (9.5" OAL), Spline 1
(Includes Item # F076)
6 5704-61 HD Gearbox and Tube Assembly 1
(Includes Items # 8-17, F136,
F179 & F211)
7 7600-20 Riser Plate (3/16) 2
8 6054 Spline Coupling 4
9 P007 Gasket, Cap (Peerless #788030) 4
10 5066 Gearbox Connector Tube (9-5/16) 1
11 6733-6 Connecting Shaft (7") 1
12 5052-5 HD Gearbox (LH Rotation) 1
13 5704-1 Gearbox Cover Support 2
14 5051-6 HD Tee Gearbox, Shear 1
15 6733-2 Connecting Shaft (4-1/8) 1
16 5061 Gearbox Connector Tube (6-11/16) 1
17 5053-5 HD Gearbox (RH Rotation) 1
18 5052-3 1.375 x .750 x .187 Washer 4
19 5747-12 Rubber Mat (3 x 6) 2
20 7785-3 48" Gearbox Cover 1
(Includes Item # 19)
21 5830 Grease Fitting 1
22 8067-13 Shear Pin w/Cotter (Set of 5) *
(Includes Item # F069)
Deck Housing Components
23 8670 Tilt-Up Hook 1
24 5162-11 Roller Wheel (5" Poly) 2
(Includes Item # F059)
25 8490 Roller Wheel Axle Bolt 2
26 NS Deck Serial Number Plate 1
27 7705-20 Blade 25", Mulch 2
7705-21 48 DML Blade Set with Hubs *
(Includes Items # 27, 28, F002 & F202)
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
28 5706-6 Mulch Blade Hub 2
29 7775-1 Hitch Pin, LH (Silver) #6 2
30 8735-10 Rubber Mat (5 x 6) 2
31 8788-1 Rubber Mat (1 x 2) 1
32 7702-11 48 DML Deck Housing 1
(Includes Items # 30 & 31)
33 7775-2 Hitch Pin, RH (Gold) #6 2
34 5727-1 Washer Shim (5/8 ID) 4
Fasteners
F002 10-24 Keps Nut 6
F004 1/4-20 Keps Nut 2
F013 3/8-16 Whiz Locknut 2
F025 10-24 x 3/8 PPHMS 2
F029 1/4-20 x 1/2 Hex Bolt 2
F038 3/8-16 x 1 Hex Bolt 4
F050 1/4 SAE Washer 4
F055 5/8 SAE Washer 2
F056 5/8 Split Lock Washer 2
F059 3/8 Wave Spring Washer 2
F069 3/32 x 1/2 Cotter Pin 1
F076 3/8-16 x 5/8 SQH Set Screw *
F136 AN960C416L Washer 16
F179 1/4-20 x 1 Hex Bolt 4
F202 10-24 x 5/8 SHC Screw, GR5 SS 4
F206 #2 x 3/16 Drive Pin 2
F211 1/4-20 x 7/8 Hex Bolt 12
F246 1/4-20 x 1/2 PTHMS 2
F278 3/8 Split Lock Washer 4
F295 3/16 x 1-1/2 Split Spring Pin 1
F403 1/4-20 x 1/2 PTHMS, SS 2
F404 5/8-18 Jam Nut 2
* Service Part Only
NOTE: Order Item # 4 to use the splined deck PTO shaft with
Model T23, T25i, T30i, D21d, C19 and B19.
NOTE: Order Item # 5 to use the splined deck PTO shaft with
Model B18.
14
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
DM48 DECK ASSEMBL Y
.
F069
.
.
.
.
.
2
F050
F029
F002
.
8600-14
F295
Refer to 48 INCH
CARRIER FRAME ASSEMBLY ,
.
Page 8
4
.
F076
.
.
5
3
.
13
6
.
F246
F050
.
20
19
.
.
60 lb·ft (81 N·m)
8600-9
17
.
.
F278
18
.
.
F038
.
.
.
13
.
.
F136
F179
.
F025
8
.
1
5846-1
.
22
.
21
.
9
16
.
9
14
15
8
12
.
.
7
8
F136
.
.
F211
10
9
24
.
.
8
25
F059
.
F004
.
34
8600-28
.
23
.
F403
.
11
9
.
24
.
.
.
33
30
32
31
30
.
29
.
F202
F002
F055
F056
F404
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
.
F013
8600-28
.
28
.
27
.
.
.
28
.
.
F206
Refer to FASTENER LOCTITE APPLICATION &
TORQUE INSTRUCTIONS, Page 19.
26
27
Refer to LUBRICATION POINTS, Page 16.
15
LUBRICA TION POINTS
ITEM LOCATION LUBRICATION NO.
NO. TYPE PLACES
36", 42", 48" Assemblies
1 Deck Caster Wheel Fork Pivot Grease 2
2 Blade Drive Gearbox Oil* 2
3 T ee Gearbox, Deck Oil* 1
4 Deck Caster Wheel Bearing Grease 2
5 Universal Joint Shaft Assembly Grease** 1
6 Pivot Assembly, Tilt-Up Deck Grease 4
7 Deck Support Arm Socket Grease 2
1
4
2
3 2
ITEM LOCATION LUBRICATION NO.
NO. TYPE PLACES
* Gearboxes are permanently lubricated and sealed requiring
no scheduled lubrication. Oil level should be checked only
when an oil leak is noted.
** Grease every eight (8) hours.
NOTE: Exact location of some Lubrication Points may vary slightly
from those shown in the illustration. Model DM48 is shown
for reference only; for further information on location of
parts not shown here, refer to the parts listings for individual
Carrier Frames and Deck Assemblies.
1
4
16
5
36", 42", 48"
Assemblies
6
7
7
6
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
H24d, H25 AND H27i DECK ARM ADAPTER KIT
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Kit 2430-10 Deck Arm Adapter Kit
Includes Items # 1-7 and instructions. May be ordered as a kit for
dealer installation. Contact your Walker dealer .
1 2744-2 Counter Weight Spring Extension 1
2 2775 Lynch Pin (5/16 x 1-1/4) 2
3 2431-1 Deck Arm Adapter, LH 1
4 5775-2 Hitch Pin (#6) 2
5 2430-1 Deck Arm Adapter, RH 1
6 2744-4 1/4" Quick Link 1
7 2744-5 Chain 1
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
NOTE: Installation of 2430-10 on Walker Models H24d, H25 and
H27i allows the use of the DM48 deck.
T o T ilt-Up Latch
(Used in Tilt-Up Position)
.
7
.
6
T o T ilt-Up Hook
(Used in Tilt-Up Position)
.
5
.
4
2802-4
1.
2.
N
IMPORTANT
Fuel Recommendations
5082-5
10% Ethanol maximum
15% MTBE maximum
87 Octane or higher (R+M)/2 (AKI)
90 Octane min (RON)
.
.
2
<15°
1. 2.
1
2
.
3
4
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
17
BLADE USAGE CHART
8600-28
60 lb·ft (81 N·m)
8600-9
5846-1
8600-28
F202
Refer to DM36
DECK ASSEMBLY,
Page 6
Right-Hand Blade
F002
Left-Hand Blade
F055
F056
F018
8600-28
60 lb·ft (81 N·m)
8600-9
5846-1
8600-28
F202
Right-Hand Blade
F002
F055
F056
F404
TWO BLADE DECKS RH BLADE LH BLADE BLADE SET
DM36 5705-23 5705-23
DM42A 5705-28 5705-28 5705-19
DM42B
5705-11 (Upper Blade)
5705-10 (Lower Blade)
5705-11 (Upper (Blade)
5705-10 (Lower Blade)
DM48 7705-20 7705-20 7705-21
Right hand and left hand orientated with operator on seat.
Refer to DM48
DECK ASSEMBLY, Page 14
Left-Hand Blade
5705-12
All blade sets include 5706 (Blade Hub & Trash Guard), F002 & F202 unless otherwise specied.
18
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
F ASTENER LOCTITE® APPLICATION & TORQUE INSTRUCTIONS
ITEM DESCRIPTION
NO.
HD Gear Drive Assemblies DM42A, DM42B, DM48
1 Apply Loctite® Threadlocker # 242 (Blue) to Item # 1 used on
HD Gearbox Connector Tubes. Torque to 115 lb·in.
(13.0 N·m).
DM36 Gear Drive Assembly
2 Apply Loctite® Threadlocker # 242 (Blue) to P/N F211
(1/4-20 x 7/8 Hex Bolt, used on Gearbox Connector Tubes)
prior to assembly. Torque to 90 lb·in. (10.2 N·m).
Refer to
Gear Drive Components
(DM36 Models)
ITEM DESCRIPTION
NO.
DM Deck Assemblies
3 Torque P/N F018 (5/8-18 Hex Nut) or F404 (5/8-18 Jam Nut,
used on underside of blades) to 60 lb·ft (81.4 N·m). DO NOT
apply Loctite®.
NOTE: Model DM48 is shown here. Refer to individual deck
assemblies for exact locations and quantities of items listed
above.
Refer to HD
Gear Drive Components
(DM42A, DM42B and DM48 Models)
DM Deck Assemblies
1
1
2
2
8600-28
3
60 lb·ft (81 N·m)
8600-9
5846-1
8600-28
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
19
MAINTENANCE AND SER VICE RECORD SHEET
DATE SERVICE ENGINE
ITEM HOURS
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
B18
B19
B23i
S14 GHS
C19 GHS
T23 SD
T23 GHS
T25i SD
T25i GHS
T30i SD
T30i GHS
D21d SD
D21d GHS
H25
H27i
DECK / TRACTOR COMP ATIBILITY CHART
DM36 DM42A DM42B DM48
X X X X
X X X X
X X X X
* * *
* * * *
X X X X
* * * *
X X X X
* * * *
X X X X
* * * *
X X X X
* * * *
**
**
20
H24d
**
X Deck and tractor are fully compatible.
* When using this deck on GHS tractors, installation of P/N 7541 (Blower Lockout Kit) is recommended.
Contact your Walker dealer .
** Decks that are compatible with Models H24d, H25 and H27i using Kit # 2430-10 (Deck Arm Adapter Kit).
Effective Date 04-01-13
Use only genuine Walker® replacement parts.
LIMITED W ARRANTY
FOR
WALKER
COMMERCIAL RIDER MOWER
1. WHAT THIS WARRANTY COVERS, AND FOR HOW LONG:
Walker Manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which
is found to be defective in material and/or workmanship within one (1) year after date of sale to the original retail purchaser
unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days. At W alker’s request,
customer will make the defective part available for inspection by Walker and/or return the defective part to Walker, transportation charges prepaid. All parts and components of the W alker Mower are covered by this warranty .
2. WHAT THIS WARRANTY DOES NOT COVER:
A. This warranty does not cover defects caused by depreciation or damage caused by normal wear, accidents, improper
maintenance, improper use or abuse of the product, alterations, or failure to follow the instructions contained in the
Operator’s Manual for operation and maintenance.
B. The customer shall pay any charges for making service calls and/or for transporting the mower to and from the place
where the inspection and/or warranty work is performed.
3. HOW T O OBT AIN SERVICE UNDER THIS W ARRANTY :
Warranty service can be arranged by contacting the dealer where you purchased the mower or by contacting Walker
ufacturing Company, 5925 East Harmony Road, Ft. Collins, CO 80528. Proof of the date of purchase may be required to
verify warranty coverage.
4. W ARRANTY LIMITATION:
A. THERE IS NO OTHER EXPRESS WARRANTY. ANY W ARRANTY THA T MAY BE IMPLIED FROM THIS PURCHASE
INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE
DURATION OF THIS WARRANTY AND TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIED
WARRANTIES ARE EXCLUDED. Some states do not allow limitations on how long an implied warranty lasts, so the
above limitations may not apply to you.
B. WALKER WILL NOT BE LIABLE FOR ANY INCIDENTAL, CONSEQUENTIAL, OR SPECIAL DAMAGES AND/OR
EXPENSES IN CONNECTION WITH THE PURCHASE OR USE OF THE MOWER. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation(s) or exclusion(s) may not apply
to you.
C. Only the warranty expressed in this limited warranty shall apply and no dealer, distributor, or individual is authorized to
amend, modify, or extend this warranty in any way. Accordingly, additional statements such as dealer advertising or
presentations, whether oral or written, do not constitute warranties by Walker , and should not be relied upon.
D. This warranty gives you specic legal rights, and you may also have other rights which vary from state to state.
Man-
21
W ALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614
PRINTED IN USA www.walkermowers.com ©2014 WALKER MFG. CO
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