
SCHEMATIC
TRACTOR - - MODEL NUMBER PRGT22H50B
AMMETER
(OPTIONAL)
RED
G
IGNITION
SWITCH
BLACK
BROWN
RED
BATTERY
A
RED
FUSE
WHITE
S
B
BLACK
M
A1
A2L
CG
B
RED
WHITE
F
H
E
A
BLACK
D
ORANGE
PTO (DISENGAGED)
BLACK
CLUTCH / BRAKE
BLACK
(PEDAL UP)
RED
BLACK
RED
WHITE
SOLENOID
ELECTRIC CLUTCH
85 86
87
RED
M
STARTER
BLACK
30
BLACK
BLACK
87A
GREEN
SEAT SWITCH
(NOT OCCUPIED)
FUEL
LINE
BLUE
GREEN
BLACK
HOUR
METER
(OPTIONAL)
IGNITION
UNIT
OPERATOR
PRESENCE
RELAY #1
BLACK
SPARK PLUGS
ON TWIN CYL. ENGINES)
BLACK
GAP
(2 PLUGS
IGNITION SWITCH
OFF
CIRCUITPOSITION
M + G + A1
B + A1ON + LIGHTS
B + A1ON
B + S + A1START
“MAKE”
NONE
L + A2
NONE
NONE
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO
PROPERLY SECURE YOUR
WIRING.
FUEL SHUT-OFF
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
RED
87
87A
8586
30
RELAY
REMOVABLE
CONNECTIONS
SOLENOID
RED
REGULATOR
PTO SWITCH
CIRCUITPOSITION
OFF
C + G, B + H
C + F, B + E, A + DON
NON-REMOVABLE
CONNECTIONS
YELLOW
ALTERNATOR
28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
BROWN
HEADLIGHTS
G
FC
E
H
B
A
D
BLACK
31

30
33
24
42
43
40
26
28
25
50
29
27
27
41
REPAIR PARTS
TRACTOR - - MODEL NUMBER PRGT22H50B
ELECTRICAL
22
21
79
12
81
10
11
D
.C
.
A
M
P
E
R
E
S
52
45
27
2
16
1
8
12
32

REPAIR PARTS
TRACTOR - - MODEL NUMBER PRGT22H50B
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 144926 Battery
2 74760412 Bolt Hex Head 1/4-20 x 3/4
8 7603J Tray, Battery
10 145211 Bolt Btr Frt 1/4-20 X 7.5 zinc
11 150109 Holdown Battery Front Mount
12 145769 Nut Push Nylon 1/4"
16 153664 Switch Interlock Push-In
21 166184 Harness Headlight
22 4152J Bulb Light
24 4206J Cable, Battery
25 146149 Cable, Battery
26 108824X Fuse
27 73510400 Nut Keps Hex 1/4-20 Unc
28 170697 Cable, Ground
29 160784 Switch, P lunger
30 175566 Switch, Ign
33 140401 Key
40 170238 Harness, Ignition
41 17720408 Screw 1/4-20 x 1/2
42 131563 Cover, Terminal Red
43 175141 Solenoid
45 122822X Ammeter
50 174653 Switch, PTO
52 141940 Prot ecti on Wi re Loop
79 163996 Socket, Light Bulb
81 109748X Relay Asm.
NOTE: All component dimensions given in U.S.
inches 1 inch = 25.4 mm
33

REPAIR PARTS
TRACTOR - - MODEL NUMBER PRGT22H50B
CHASSIS AND ENCLOSURES
14
153
130
58
17
21
28
138
47
17
17
37
17
43
5
130
17
144
90
141
7
34
16
148
140
130
68
35
7
31
122
150
122
8
68
6
156
30
139
32
17
33
17
17
139
7
18
130
152
156
142
17
42
36
39
20
17
45
1
17
21
84
56
47
17
20
19
2
86
4
91
102
36
99
17
17
50
44
21
47
130
17
21
17
24
23
34

REPAIR PARTS
TRACTOR - - MODEL NUMBER PRGT22H50B
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 175465 Rail, Frame RH
2 175282 Drawbar, Gt
4 73680700 Nut, Crownlock 7/16-14Unc
5 163976X428 Dash
6 157882 Dash Asm., Lower
7 17720408 Screw, Thd Cut 1/4-20 x 1/2
8 145166 Support, Battery
14 175259X428 Hood Asm., Pnt
16 121794X Cover, Access
17 17060612 Screw, 3/8-16 x 3/4
18 175289X428 Grille
19 19131312 Washer 13/32 x 13/16 x 12 Ga.
20 74760616 Bolt, Fin Hex 3/8-16 x 1
21 73680600 Nut, Crownlock 3/8-16 Unc
23 17060616 Screw 3/8-16 x 1
24 145243X428 Footrest, RH
28 145244X428 Footrest, LH
30 145052 Saddle, Hydro 1995
31 161419 Bracket, Supt 1-pc VGT Steering
32 161327 Bracket, Pivot Chassis LH
33 161326 Bracket, Pivot Chassis RH
34 177018 Plate Asm. Engine Chassis
35 19111116 Washer 11/32 x 11/16 x 16 Ga.
36 17060512 Screw 5/16-18 x 3/4
37 167287X428 Fender, Pnt.
39 175278 Bracket, Axle Front
42 72140608 Bolt, Carriage 3/8-16 x 1
43 136939 Bracket, Spnsn Front Lh
44 136940 Bracket, Spnsn Front Rh
45 154913 Bracket Asm., Susp Chassis Rh
KEY PART
NO. NO. DESCRIPTION
47 17670608 Screw Thdrol 3/8-16 x 1/2 TYT
50 175476 Bracket, Chassis Front
56 154914 Bracket Asm., Susp Chassis Lh
58 175315 Bracket Asm., Fender
68 17490508 Screw, Thd 5/16-18 x 1/2
84 142992 Stop, Over Center Mower
86 74760716 Bolt, Fin Hex 7/16-14 Unc x 1
90 11050600 Washer, Lock External Tooth 3/8
91 175464 Rail, Frame Lh
99 177143 Rod By Pass
100 71673 Cap Parking Brake Rod
102 4497H Retainer, Spring
122 161464 Screw Hex Wshd 8-18 x 7/8
130 164863 Screw HWHD Hi-Lo #13-16 x 3/4
138 163975X428 Cupholder YTGT
139 171873 Bolt Shoulder 5/16-18 TT
140 163806 Magnet YTGT
141 163805 Stricker Plate YTGT
142 161897 Bracket Dash RH
143 169847X428 Skirt Grill RH
144 161900 Bracket Dash LH
146 169848X428 Skirt Grill LH
148 164655 Extrusion Bumper
150 161237 Duct Heat Hood
152 177956 Shi eld B rowning
153 160568 Lens, Asm Headlight bar
156 17060512 Screw 5/16-18 x 3/4
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35