SCHEMATIC
TRACTOR - - MODEL NO. QPGT25H50A
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
15 AMP DC @ 3600 RPM
RED
87
87A
8586
30
RELAY
REMOVABLE
CONNECTIONS
SOLENOID
RED
PTO SWITCH
OFF
ON
C + F, B + E, A + D
NON-REMOVABLE
CONNECTIONS
31
REGULATOR
28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
BROWN
YELLOW
HEADLIGHTS
CIRCUITPOSITION
C + G, B + H
G
FC
H
D
ALTERNATOR
E
B
A
BLACK
REPAIR PARTS
ELECTRICAL
TRACTOR - - MODEL NO. QPGT25H50A
22
21
16
40
81
12
8
33
30
25
10
D
.
C
.
11
27
A
M
P
E
R
E
S
89
46
45
50
51
26
2
1
12
29
16
28
32
REPAIR PARTS
ELECTRICAL
TRACTOR - - MODEL NO. QPGT25H50A
KEY PART
NO. NO. DESCRIPTION
1 144927 Battery
2 74760412 Bolt Hex Head 1/4-20 x 3/4
8 7603J Tray, Battery
10 145211 Bolt, Battery Front 1/4-20 x 7.5 Zinc
11 150109 Holddown Battery Front Mount
12 145769 Nut, Push Nylon 1.4" Battery Front
16 153664 Switch Interlock Push-In
21 166182 Harness Socket Light w/4152J
22 4152J Bulb Light
25 154335 Cable, Boot Asm CV25 W/16 WI
26 108824X Fuse
27 73510400 Nut Keps Hex 1/4-20 Unc
28 160697 Cable, Ground
29 160784 Switch, Plunger Normal Op Olive
30 163968 Switch, Ign
33 140401 Key
40 170238 Harness Ign.
45 122822X Ammeter Rectangular
46 169635 Meter, Hour
50 169417 Switch, PTO
51 140405 Ring Retainer PTO
81 109748X Relay Asm.
89 169639 Bracket Snap-In Hourmeter
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
REPAIR PARTS
TRACTOR - - MODEL NO. QPGT25H50A
CHASSIS AND ENCLOSURES
58
17
72
21
2
35
54
28
92
138
17
19
68
20
47
47
103
5
17
29
38
46
100
86
4
91
108
27
37
102
109
17
74
43
63
56
99
17
101
84
139
122
18
145
21
17
15
61
7
22
71
44
17
21
17
21
24
23
47
9
3
109
108
132
131
68
35
17
90
7
7
52
34
16
17
36
98
112
82
7
17
14
107
31
30
139
32
106
76
40
70
17
39
33
20
8
6
50
42
63
17
80
45
68
79
17
17
1
17
60
34
REPAIR PARTS
TRACTOR - - MODEL NO. QPGT25H50A
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 150253 Rail, Frame RH
2 140506 Drawbar, Gt
3 150302X428 Panel Asm., Side LH
4 73800700 Nut, Lock Hex 7/16 Unc
5 140398 Dash, Plastic Black
6 157882 Dash, 1PCS, Lower
7 17720408 Screw, Thd Cut 1/4-20 x 1/2
8 145166 Support, Battery
9 108067X Nut, Pal
14 150301X428 Hood Asm., Pnt
15 146459 Lens, Headlight Bar
16 121794X Cover, Access
17 17000612 Screw, Hex Wsh Thdrl 3/8-16 x 3/4
18 150198 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
22 167237X428 Panel Asm., Side RH
23 17490616 Screw Thdrol 3/8-16 x 1
24 145243X428 Footrest, RH
27 73220400 Nut, Fin Hex 1/4-20
28 145244X428 Footrest, LH
29 145205 Bracket, Support Dash
30 145052 Saddle
31 161419 Bracket Supt 1-pc Vgt Steering
32 161327 Bracket, Frame Pivot Lh
33 161326 Bracket, Frame Pivot Rh
34 142131 Bracket, Engine Support Rear
35 19111116 Washer 11/32 x 11/16 x 16 Ga.
36 74780512 Bolt, Fin Hex 5/16-18 x 3/4
37 167287X428 Fender, Pnt.
38 10040400 Washer, Lock 1/4
39 136961 Bracket, Axle Front
40 156111 Bracket, Support Axle/Engine
42 72140608 Bolt Rdhd Sqnk 3/8-16 Unc x 1
43 136939 Bracket, Spnsn Front Lh
44 136940 Bracket, Spnsn Front Rh
45 154913 Bracket Asm., Susp Chassis Rh
46 19091216 Washer 9/32 x 3/4 x 16 Ga.
47 17490608 Screw Thdrol 3/8-16 x 1/2
50 152728 Bracket, Chassis Front
KEY PART
NO. NO. DESCRIPTION
52 73680500 Nut, Crownlock 5/16-18
54 73510500 Nut 5/16-18
56 154914 Bracket Asm., Susp Chassis Lh
58 137113 Bracket Asm., Fender
60 17490620 Screw Thdrol 3/8-16 x 1-1/4
61 147717X417 Beze. Asem.
63 19131614 Washer 13/32 x 1 x 14 Ga.
68 17490508 Screw, Thdrol 5/16-18 x 1/2
70 137159 Guide, Belt Mid Span
71 144916X428 Strap, Grille
72 74180512 Screw, Mach Trhd 5/16-18 x 3/4
74 74191008 Screw, Machine #10-24
76 2029J Nut, Weld #10-24
79 74981020 Screw, Machine #10-24 x 1/4
80 7206J Spacer, Split
82 73731000 Nut #10-24
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 170755 Rail, Frame Lh
92 166840X010 Plate, Silkscreen Dash
98 140503 Bracket Chassis Skid
99 140871 Rod Asm. Bypass
100 124236X Cap Brake Parking Red
101 17490628 Screw Thdrol. 3/8-16 x 1-3/4
102 4497H Retainer Spring 1"
103 142273 Bracket Lock Bypass
106 138776 Screw Thdrol Hex Head Zinc
107 109808X Latch, Chute Blk
108 110356X Cap, Snap Black
109 110357X Cap, Washer Snap Nat
112 60867 Nut, Acorn, Hex #10-24
122 161464 Screw Hex Wshd 8-18 x 7/8
131 150195 Bracket Support Hood/Panel YP
132 74291006 Screw Truss Hd #10-24 x 3/8
138 163975X428 Cupholder YTGT Black
139 161330 Bolt Shoulder 5/16-18
- - 8022J Plug, Hole
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35
REPAIR PARTS
GROUND DRIVE
39
TRACTOR - - MODEL NO. QPGT25H50A
42
70
71
83
72
40
41
89
82
76
73
74
28
72
81
51
17
77
81
81
84
79
85
35
80
67
38
29
86
37
34
87
30
88
117
52
90
64
54
56
6
15
47
48
55
66
6
46
37
38
65
53
91
77
36
68
50
48
115
99
33
69
72
9
7
109
3
2
106
108
107
104
61
20
2
92
93
105
72
23
22
76
73
94
96
112
100
116
72
89
98
99
101
113
89
67
5
111
36