SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
BATTERY
RED
BLACK
M
SOLENOID
A
AMMETER
RED
RED
RED
RED
RED
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
YELLOW
YELLOW
BLACK
BROWN
BLUE
GREEN
GREEN
BLUE
BLUE
BLUE
BLUE
BLUE
G
B
S
M
A1
A2L
HEADLIGHTS
BLACK
BLACK
BROWN
SEAT SWITCH
(NOT OCCUPIED)
IGNITION
UNIT
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
BLACK
ORANGE
CLUTCH / BRAKE
(PEDAL UP)
(OPTIONAL)
STARTER
IGNITION
SWITCH
FUEL SHUT-OFF
SOLENOID
(IF SO EQUIPPED)
FUEL
LINE
ATT'MENT CLUTCH
(CLUTCH OFF)
OPERATOR
PRESENCE RELAY #3
8586
30
87
87A
OPERATOR
PRESENCE RELAY #1
8586
30
87
87A
FUSE
ALTERNATOR
YELLOW
28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)
REGULATOR
CHARGING SYSTEM OUTPUT
15 AMP DC @ 3600 RPM
B + S + A1STARTNONE
IGNITION SWITCH
CIRCUITPOSITION
OFF
B+A1RUN/LIGHT
M+G+A1
B+A1RUN
“MAKE”
A2+L
NONE
NONE
OPERATOR
PRESENCE RELAY #2
8586
30
87
87A
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
SCHEMATIC
27
Page 2
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
ELECTRICAL
42
24
2221
41
33
30
27
43
27
25
27
27
81
81
81
26
40
16
16
D
.
C
.
A
M
P
E
R
E
S
8
45
52
29
28
27
2
1
28
Page 3
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
ELECTRICAL
KEYPART
NO.NO.DESCRIPTION
1144925Battery
274760412Bolt Hex Hd 1/4-20unc X 3/4
8156417Case Battery Mech Hinge
16161343Switch Interlock Push-In
21166181Harness Socket Light
224152JBulb, Light # 1156
244799JCable Battery
25146147Cable Battery 6 Ga Red w/16 wire
26166180Fuse 15 Amp
2773510400Nut Keps Hex 1/4-20 Unc
284207JCable Ground 6ga 12 black
29160784Switch Plunger Nc Olive
30163968Switch Ign
33140401Key Ign Molded Generic
40170219Harness Ign
4171110408Bolt Fin Hex 1/4-20unc x 1/2
42131563Cover Terminal Red
43145673Solenoid
45122822XAmmeter Rectangular
52141940Protection Loop
81109748XRelay Asm
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
29
Page 4
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
CHASSIS
212
17
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
30
Page 5
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
CHASSIS
KEYPART
NO.NO.DESCRIPTION
1169830Chassis
2169061Drawbar
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
13172108Panel 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 LT/PL
29170472X599 Lens LT/PL
30169468X428 Fender Footrest STLT 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 Grille Lh
54161464Screw Hex Wshd 8-18 x 7/8
55144696Bracket Grille Rh
5774780412Bolt Hex 1/4-20 x 3/4
58150127Duct Air
64154798Dash Lower STLT
142165867Plate Reinforcement STLT
145156524Rod Pivot Chassis/Hood
206170165Bolt Shoulder 5/16-18
20717670508Screw Thdrol 5/16-18 x 1/2
20817670608Screw Thdrol 3/8-16 x 1/2
212156229Insert Lens Reflect P/L LT
- -5479JPlug Button Black
NOTE:All component dimensions given in U.S. inches
1 inch = 25.4 mm
31
Page 6
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
DRIVE
89
69
197
81
32
30
16
52
169
10
57
21
198
164
8
161
14
163
82
159
165
52
158
162
83
156
62
32
59
168
166
61
36
35
41
42
40
38
42
56
51
51
34
42
39
37
63
66
65
64
27
49
47
51
50
26
51
36
72
35
70
116
202
150
48
151
51
77
15
96
26
95
1
16
77
26
74
30
25
75
26
19
24
32
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 PR16H42STB
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
7219132012Washer 13/32 x 1-1/4 x 12 Gauge
73169182Strap Tor que Rh Hydro
74169496Spacer, 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
11672110610Bolt Rdhd Sq Neck 3/8-16 x 1.25
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
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
Page 8
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
STEERING ASSEMBLY
37
50
57
38
63
11
39
1
41
42
37
36
62
23
11
29
29
44
51
8
27
22
66
40
29
25
68
15
15
15
54
17
18
19
79
80
82
29
29
46
8
6
2
87
5
3
40
10
47
65
85
11
68
13
85
32
33
34
35
67
46
8
6
67
67
47
87
5
4
43
43
6
8
34
Page 9
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
STEERING ASSEMBLY
KEYPART
NO.NO.DESCRIPTION
1159944X428 Wheel Steering
2165854Axle 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
476855MFitting Grease
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
85133835Fastner Christmas Tree
87173966Washer Flat .781 x 1-1/2 x .14
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35
Page 10
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
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.
10155925Pan 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
36
Page 11
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
DECALS
11
2
9
6
14
16
4
KEYPART
NO.NO.DESCRIPTION
1157032Decal Oper
2172741Decal Fender Auto
3172738Decal Hood LH
4172756Decal Side Panel Logo
6169210Decal By Pass Lt Hydro
8170563Decal Mower Warn Keep Hand
Away
9172740Decal Fender Logo
10157140Decal Fender Danger E/F
11172743Decal Ins Strg Whl
159192Cap Valve Tire
265139Stem Valve
3170455Tire F Tm 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 Tm 20x10-8 C Service
107152JTube Rear (Service Item Only)
11104757XCap Axle Blk 1 50 X 1 00
- -144334Sealant, Tire ( 10 oz. Tube)
NOTE:All component dimensions given in U.S. inches
1 inch = 25.4 mm
37
Page 12
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
ENGINE
32
2
13
1
81
16
105
44
46
33
3
14
15
38
105
77
101
80
4
37
31
40
33
29
OPTIONAL EQUIPMENT
Spark Arrester
KEYPART
NO.NO.DESCRIPTION
1141296Control Th/ch 27 LH Flag
217720410Screw Hex Thd Cut 1/4-20x5/8 T
3- - - - - - - -Engine, Kohler Model CV16.5
(Order From Engine Manufacturer)
40124028XBushing Snap Nyl Blk Fuel Line
4417670412Screw Hexwsh Thdrol 1/4-20x3/4
4517000612Screw
4619091416Washer 9/32 X 7/8 X 16 Ga
7719101216Washer 5/16 x 3/4 x 16 Ga.
8074760508Bolt Hex Hd 5/16-18 x 1/2
8173510400Nut Flange 1/4-20 Starter Nut
101M73030800Nut Flange M8-1.25
10517120616Screw 3/8-16 x 1
NOTE: All component dimensions given in U. S.
inches 1 inch = 25.4 mm
38
Page 13
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
MOWER LIFT
29
28
27
25
24
23
7
37
13
13
38
11
40
19
31
32
41
36
31
32
13
12
8
5
49
30
20
5
20
1
4
20
18
17
16
15
3
50
4
6
2
13
19
26
6
20
15
KEYPART
NO.NO.DESCRIPTION
1159460Wire Asm Inner/Sprg W/plunger LT
2159471Shaft Asm Lift RH w/Inf
3105767XPin Groove 1 500 Zinc
412000002E Ring #5133-62
519211621Washer 21/32 X 1 X 21 Ga
6120183XBearing Nylon Blk 629 Id
7125631XGrip Handle
8170770Button Plunger Yellow
11139865Link Lift LH Fixed Length
12139866Link Lift RH Fixed Length
134939MRetainer Spring
15173288Link Front
1673350800Nut Jam Hex 1/2-13 Unc
17130171Trunnion Blk Zinc
1873800800Nut Lock W/Wsh 1/2-13 Unc
19139868Arm Suspension Rear
20163552Retainer Spring
23110807XNut Special
KEYPART
NO.NO.DESCRIPTION
2419131016Washer 13/32 X 5/8 X 16 Ga
252876HSpring 2-1/8"
26169484Retainer Clip
27126971XRod Adj Lift Zinc 7.49 Wrk Lg
2873350600Nut Hex Jam 3/8-16 Unc
29138057Knob Inf 3/8-16 Unc Blk W/sym
30150233Trunnion Infin Height
31169865Bearing Pvt Lift
3273540600Nut Crownlock 3/8 - 24
36155097Pointer Height Indicator
37123935XPlug Hole Blk 1.485/1.515 Dia.
3817060516Screw 5/16-18 x 1
4019112410Washer 11/32 x 1-1/2 10 Ga.
41155098Indicator Height STLT
49145212Nut Hex Flange Lock
50110452XNut PUsh Phos & Oi
NOTE:All component dimensions given in U.S. inches
1 inch = 25.4 mm
39
Page 14
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
MOWER DECK
157
158
151
153
67
156
155
68
40
37
36
40
143
152
117
153
119
116
154
34
1
147
113
118
44
142
111
114
115
121
159
46
53
48
147
52
142
16
144
45
150
40
37
145
56
55
51
59
146
54
49
50
30
32
31
33
148
90
91
92
93
94
93
92
95
90
35
105
21
21
106
21
105
104
103
2
21
102
101
102
22
103
104
106
23
24
25
2
15
14
20
28
29
26
27
18
3
149
4
18
114
13
115
5
6
19
21
10
9
12
128
8
11
118
119
113
121
112
117
116
40
Page 15
REPAIR PARTS
TRACTOR - - MODEL NUMBER PR16H42STB
MOWER DECK
KEYPART
NO.NO.DESCRIPTION
1165892X421 Mower Deck Assembly, 42"
272140506Bolt
3138017Bracket Asm Fr. Sway Bar 3/42
4165460X421 Bracket Asm Deck 42" Sway Bar
54939MRetainer Spring
6130832Arm, Suspension, Rear
8850857Bolt 3/8-24 x 25 Grade 8 patched
910030600Washer, Lock
10140296Washer, Hardened
11134149Blade, Mulching 42” Std