28 VOLTS AC MIN. @ 3600 RPM
(CHARGING SYSTEM DISCONNECTED)
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT
CONNECTED TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.
BECAUSE OF THIS, THE
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE
SPEED. AT IDLE THE LIGHTS
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS
WILL BECOME THEIR BRIGHTEST.
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
A
AMMETER
RED
G
B
S
M
A1
A2
L
HOUR
METER
(OPTIONAL)
(OPTIONAL)
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
IGNITION SWITCH
CIRCUITPOSITION
OFF
B+A1RUN/LIGHT
B + S + A1START
M+G+A1
B+A1RUN
“MAKE”
A2+L
NONE
NONE
NONE
(IF SO EQUIPPED)
NON-REMOVABLE
CONNECTIONS
BLUE
FUEL SHUT-OFF SOLENOID
FUEL
LINE
SCHEMATIC
TRACTOR - - MODEL NUMBER PR20H42STB
29
Page 2
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
ELECTRICAL
42
24
2221
41
33
30
27
43
27
25
27
27
26
40
16
16
D
.C
. A
M
P
E
R
E
S
52
29
45
8
28
27
2
1
30
Page 3
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
ELECTRICAL
KEYPART
NO.NO.DESCRIPTION
1163465Battery
274760412Bolt Hex Hd 1/4-20unc X 3/4
8156417Case Battery Mech Hinge
16153664Switch Interlock Push-In
21166181Harness Socket Light
224152JBulb, Light # 1156
244799JCable Battery
25146147Cable Battery 6 Ga Red w/16 wire
26175158Fuse 20 Amp
2773510400Nut Keps Hex 1/4-20 Unc
284207JCable Ground 6ga 12 black
29121305XSwitch Plunger Nc Gray
30175566Switch Ign
33140401Key Ign Molded Generic
40170217Harness Ign
4171110408Bolt Fin Hex 1/4-20uncx 1/2
42131563Cover Terminal Red
43175141Solenoid
45121433XAmmeter Rectangular
52141940Protection Loop
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
31
Page 4
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
CHASSIS
212
17
159
208
26
30
11
31
25
24
18
12
28
24
25
26
3
208
9
207
5
5
208
53
51
54
52
55
207
57
20
58
23
29
206
26
3
35
3
3
2
33
3
142
3
10
142
3
3
38
64
207
1
13
37
3
3
3
35
3
34
145
37
208
26
32
Page 5
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
CHASSIS
KEYPART
NO.NO.DESCRIPTION
1169830Chassis
2176554Drawbar
317060612Screw 3/8-16 X .75
5155272Bumper Hood/Dash
9168337X012 Dash P/L
1072140608Bolt Carriage 3/8-16 x 1
11155927Panel Dash Lh
12145660Clip Tinnerman
13172107010Panel Dash Rh
17159639X428 Hood LT/PL
18126938XBumper Hood
20156437Plate Mtg Battery Fuel Tank Fr
23124028XBushing
2474780616Bolt Fin Hex 3/8-16 x 1 Gr 5
2519131312Washer 13/32 X 13/16 X 12 Ga
2673800600Nut Lock Hex W/Ins 3/8-16 Unc
28170474Grille/Lens Asm
29170472X599 Lens LT/PL
30169470X428 Fender Footrest Pnt
31136619Bracket Fender
33145244X428 Footrest Pnt Lh
34145243X428 Footrest Pnt Rh
3572110606Bolt Rdhd Sht Sqnk 3/8-16 x 3/4
3717490508Screw Thdrol 6/16-18 x 1/2 TYT
38169834Bracket Asm Pivot Mower Rear
5173800400Nut Lock Hex W/Ins 1/4-20
5219091416Washer 9/32 x 7/8 x 16 Ga.
53144697Bracjet Grukke Lh
54161464Screw Hex Wshd 8-18 x 7/8
55144696Bracket Grille Rh
5774780412Bolt Hex 1/4-20 x 3/4
58174930Duct Air
64154798Dash Lower STLT
142165867Plate Reinforcement STLT
145156524Rod Pivot Chassis/Hood
159169473X428 Cupholder
206170165Bolt Shoulder 5/16-18
20717670508Screw Thdrol 5/16-18 x 1/2
20817670608Screw Thdrol 3/8-16 x 1/2
212156229Insert Lens Relect
---5479JPlug BTN. Blk
NOTE:All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
Page 6
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
DRIVE
89
69
197
81
32
30
16
52
169
10
57
21
198
164
8
161
14
163
82
159
52
165
158
162
83
156
62
32
59
168
166
61
36
35
41
42
40
38
42
56
51
51
34
42
39
37
66
64
63
65
27
49
47
120
212
50
36
35
70
116
202
150
48
151
51
77
15
96
26
95
1
16
77
26
74
30
25
75
26
19
24
34
29
61
78
76
71
28
22
73
200
16
16
26
84
53
27
55
199
61
Page 7
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
DRIVE
KEYPART
NO.NO.DESCRIPTION
1- - - - - -Transaxle Hydro Gear 314-0510
(Order Parts From Transaxle
Manufacturer)
8165619Rod Shift Hydro LT
1076020416Pin Cotter 1/8 x 1 CAD
1410040400Washer Lock Hvy Helical
1574490544Bolt, Hex FLGHD 5/16-18 Gr. 5
1673800500Nut Lock Hex W/Ins 5/16-18 Unc P
1973800600Nut Lock Hex W/Wsh 3/8-16 Unc
21140845Knob, Round 1/2-13
22169498Rod, Brake Hydro
2473350600Nut
25106888XSpring, Brake Rod
2619131316Washer
2776020412Pin Cotter 1/8 x 3/4 CAD.
28145204Rod, Parking Brake
2971673Cap, Parking Brake
30169592Bracket, Transaxle
3274760512Bolt Hex Hd 5/16-18 Unc x 3/4
34155071Shaft, Foot Pedal
35120183XBearing, Nylon
3619211616Washer
371572HPin, Roll
38131494Pulley, Idler, Flat
3974760644Bolt
404470JSpacer, Split
41165838Keeper, Belt Idler
4219131312Washer 13/32 x 13/16 x 12 Gauge
47127783Pulley, Idler, V-Groove
48154407Bellcrank Clutch Grnd Drv STL
49123205XRetainer, Belt
5074760624Bolt
5173680600Nut Crownlock 3/8-16 UNC
5273680500Nut Crownlock 5/16-18 UNC
53105710XLink, Clutch
55105709XSpring, Return, Clutch
5674760620Bolt Fin Hex 3/8-16 UNC x 1-1/4
57140294V-Belt, Ground Drive
59169691Keeper, Center Span
6117060612Screw Thdrol. 3/8-16 x .75
628883RCover, Pedal
63140186Pulley, Engine
KEYPART
NO.NO.DESCRIPTION
6471170764Bolt, Hex
6510040700Washer
66154778Keeper Belt Engine
69142432Screw
70134683Guide Belt
71169183Strap Torque Lh Hydro
73169182Strap Torque Rh Hydro
74137057Spacer, Axle
75121749XWasher 25/32 x 1-1/4 x 16 Gauge
7612000001E-Ring
77123583XKey, Square
78121748XWasher 25/32 x 1-5/8 x 16 Gauge
81165596Shaft Asm. Cross Hydro
82123782XSpring Torsion T/A
8319171216Washer 17/32 x 3/4 x 16 Ga.
84169594Link Transaxle
89169373X428 Console, Hydro
95170201Control Asm Bypass Hydro
964497HRetainer Spring 1" Zinc/Cad
11672140608Bolt Rdhd Sq Neck 3/8-16 x 1
12073900600Nut Lock Flg. 3/8-16
150165850Bushing Bellcrank Grd Drive
15119133210Washer 13/32 x 2 x 10 Ga.
156166002Washer Srrted 5/16 ID x 1.125
158165589Bracket Shift Mount
159165494Hub Tapered Flange Shift Lt
16172140406Bolt Rdhd Sqnk 1/4-20 x 3/4 Gr 5
16273680400Nut Crownlock 1/4-20 Unc
16374780416Bolt Hex Fin 1/4-20 Unc x 1 Gr 5
16419091010Washer 5/8 x .281 x 10 Ga
165165623Bracket Pivot Lever
166166880Screw 5/16-18 x 5/8
168165492Bolt Shoulder 5/16-18 x .561
169165580Plate Fastening Lt
197169613Nyliner Snap-In 5/8" ID
198169593Washer Nyl 7/8 ID x .105
199169612Bolt Shoulder 5/16-18 Unc
20072140508Bolt Rdhd Sqnk 5/16-18 Unc x 1
20272110612Bolt Carr Sh 3/8-16 x 1-1/2 Gr 5
212145212Nut Hex Flange Lock
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35
Page 8
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
STEERING ASSEMBLY
37
38
63
11
39
1
41
42
37
36
62
23
11
29
44
51
8
27
22
66
40
29
68
15
54
17
18
19
79
80
25
82
29
46
8
6
65
2
87
5
3
11
40
10
68
13
32
33
34
35
67
46
8
6
67
67
87
5
4
43
43
6
8
36
Page 9
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
STEERING ASSEMBLY
KEYPART
NO.NO.DESCRIPTION
1159944X428 Wheel Steering
2172393Axle Asm Cast Iron LT
3169840Spindle Asm LH
4169839Spindle Asm RH
56266HBearing Race Thrust Harden
6121748XWasher 25/32 X 1-5/8 X 16 Ga
812000029Ring Klip #t5304-75
10169832Link Drag
1110040600Washer Lock Hvy Hlcl Spr 3/8
13136518Spacer Brg Axle Front
15145212Nut Hex Flange Lock
17156546Shaft Asm Strg
1857079Washer Thrust 515x 750x 033
19160395Support Shaft
22165857Screw Hex Wsh Hd Torx
23165851Shaft Asm Pittman
25154406Bracket Steering
27136874Gear Sector
2917060612Screw 3/8-16 x .75
32171888Rod Tie
3319111216Washer 11/32 x 3/4 x 16 Ga
3410040500Washer Lock Hvy Hlcl Spr 5/16
3573540500Crownlock Nut 5/16-24 Unf
36155099Bushing Strg
37152927Screw
38159946X428 Insert Cap Strg Wh
3919132411Washer 13/32 X 1-1/2 X 11 Ga
407810HLock nut
41159945Adaptor Wheel Strg
42145054X428 Boot Steering Dash
43121749XWasher 25/32 X 1 1/4 X 16 Ga
44153720Extension Steering Shaft LR/LT
46121232XCap Spindle Fr Top Blk
5173800500Nut Lock Hex w/Ins 5/16-18
5474780520Bolt Fin Hex 5/16-18 Unc x 1-1/4
62167902Kit, Steering Assembly Svc
6374780616Bolt Fin Hex 3/8-16unc x 1 Gr. 5
65160367Spacer Brace Axle
66154404Bearing Arm Pittman
6772140618Bolt Rdhd Sq 3/8-16 Unc x 2-3/4
68169827Axle, Brace
7919132012Washer 13/32 x 1-1/4 x 12 Ga.
8074950612Bolt Hex Nylon 3/8-16 x 3/4
82169835Bracket Susp Chassis Front
87173966Washer Flat .781 x 1 1/2 x .14
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
37
Page 10
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
SEAT ASSEMBLY
14
10
1
8
9
7
8
9
7
5
6
22
24
16
25
15
11
13
17
KEYPART
NO.NO.DESCRIPTION
1171683Seat
2140551Bracket Pivot Seat 8 720
371110616Bolt Fin Hex 3/8-16unc X 1
419131610Washer 13/32 X 1 X 10 Ga
5145006Clip Push-In
673800600Nut Hex w/Ins. 3/8-16 Unc
7124181XSpring Seat Cprsn 2 250 Blk Zi
817000616Screw 3/8-16 x 1.5 Smgml
919131614Washer 13/32 X 1 X 14 Ga.
10174894Pan Seat
11166369Knob Seat
12121246XBracket Mounting Switch
12
2
5
4
3
KEYPART
NO.NO.DESCRIPTION
13121248XBushing Snap Blk Nyl 50 Id
1472050412Bolt Rdhd Sqnk 1/4-20x1-1/2
15134300Spacer Split 28x 88
16121250XSpring Cprsn
17123976XNut Lock 1/4 Lge Flg Gr 5 Zinc
21171852Bolt Shoulder 5/16-18 Unc
2273800500Nut Hex Lock W/Ins 5/16-18
2419171912Washer 17/32 X 1-3/16 X 12 Ga.
25127018XBolt Shoulder 5/16-18 X 62
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
21
38
Page 11
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR20H42STB
DECALS
11
2
9
6
5
14
16
4
KEYPART
NO.NO.DESCRIPTION
1157032Decal Oper
2176303Decal Fender Auto
3176308Decal Hood LH
4177020Decal Side Panel Logo
5170851Decal HP Engine
6169210Decal By Pass Lt Hydro
8170563Decal Mower Warn Keep Hand
Away
9172740Decal Fender Logo
10157140Decal Fender Danger E/F
3
4
8
10
1
2
KEYPART
NO.NO.DESCRIPTION
11172743Decal Ins Strg Whl
14160396Decal V-Belt Schematic
16176307Decal Hood Rh
20145005Decal Bat Dan/Psn
- -133671Pad Footrest
- -138311Decal Handle Lft Height Adjust
- -173587Decal Fend Reflector Rh
- -173589Decal Fend Reflector Lh
- -177552Manual Owner's (English)
- -177553Manual Owner's (French)
20
WHEELS AND TIRES
1
2
6
5,8
7
4,10
3,9
11
KEYPART
NO.NO.DESCRIPTION
159192Cap Valve Tire
265139Stem Valve
3170455Tire F T 15 X 6 0 - 6 Service
459904Tube Front (Service Item Only)
5106732X421 Rim Asm 6"front Service
6278HFitting Grease (Front Wheel Only)
79040HBearing Flange (Front Wheel nly)
8106108X421 Rim Asm 8"rear Service
9170456Tire R T 20x10-8 Service
107152JTube Rear (Service Item Only)
11104757X428 Cap Axle Blk 1 50 X 1 00
- -144334Sealant, Tire ( 10 oz. Tube)
NOTE:All component dimensions given in U.S. inches