SCHEMATIC
TRACTOR - MODEL NUMBER QP20H46B
AMMETER
(OPTIONAL)
RED
B
G
IGNITION
SWITCH
BLACK
RED
BLACK
BATTERY
SOLENOID
A
RED
FUSE
WHITE
WHITE
RED
WHITE
RED
M
STARTER
BLACK
CG
S
L
A2
BLACK
M
A1
CLUTCH / BRAKE
(PEDAL UP)
RED
BLACK
F
H
RED
B
ELECTRIC CLUTCH
BLACK
E
ORANGE
SEAT SWITCH
(NOT OCCUPIED)
A
D
PTO (DISENGAGED)
85 86
87
BLACK
30
87A
GREEN GREEN
BLUE
FUEL
HOUR
METER
(OPTIONAL)
BLACK
OPERATOR
PRESENCE
RELAY #1
LINE
SPARK
PLUGS GAP
(2 PLUGS ON
BLUE
BLACK
IGNITION
UNIT
TWIN CYL. ENGINES)
IGNITION SWITCH
CIRCUITPOSITION
OFF
M+G+A1
B+A1RUN/LIGHT
B+A1RUN
B + S + A1START
FUEL SHUT-OFF SOLENOID
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
“MAKE”
NONE
A2+L
NONE
NONE
OFF
ON
NON-REMOVABLE
CONNECTIONS
RED
PTO SWITCH
CIRCUITPOSITION
C + G, B + H
C + F, B + E, A + D
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
REGULATOR
REMOVABLE
CONNECTIONS
BROWN
87
87A
30
RELAY
28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)
ALTERNATOR
HEADLIGHTS
8586
BLACK
G
FC
H
E
B
A
D
29
REPAIR PARTS
ELECTRICAL
42
24
TRACTOR - MODEL NUMBER QP20H46B
2221
41
80
33
30
27
43
27
25
27
27
40
26
81
16
12
50
51
D.C. AMPERES
10
45
11
27
55
89
46
29
28
2
1
8
12
30
REPAIR P ARTS
ELECTRICAL
TRACTOR - MODEL NUMBER QP20H46B
KEY PART
NO. NO. DESCRIPTION
1 163465 Battery 12 Volt 28 AMP
2 74760412 Bolt Hex Hd 1/4-20 UNC X 3/4
8 7603J Tray, Battery
10 145211 Bolt, BTR FRT 1/4-20 x 7.5
11 150109 Hold Down Battery, Front
12 145769 Nut, Push, Nylon
16 153664 Switch Interlock Push-In
21 166181 Harness Asm Light W/4152j
22 4152J Bulb Light #1156
24 4799J Cable Battery 6 Ga 11" red
25 146148 Cable Batterywire
26 166180 Fuse 15 AMP
27 73510400 Nut Keps Hex 1/4-20 Unc
28 145491 Cable Ground
29 160784 Switch Plunger Normal OP Olive
30 163968 Switch Ign 4 pos w/lights
33 140401 Key Ign
40 170221 Harness Ign.
41 71110408 Bolt Blk Fin Hex 1/4 - 20 x 1/2
42 131563 Cover Terminal Red
43 145673 Solenoid
45 122822X Ammeter Rectangular
46 169635 Hourmeter Snap-In
50 169417 Switch, PTO 3PDT Black Delta
51 140405 Ring Retainer PTO
55 17490508 Screw Thdrol 5/16-18 x 1/2
80 146685 Harness, Clutch EVX
81 109748X Relay Asm
89 169639 Bracket Snap-In
NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm.
31
REPAIR P ARTS
TRACTOR - MODEL NUMBER QP20H46B
CHASSIS AND ENCLOSURES
212
17
208
26
31
25
11
208
196
24
9
44
207
30
26
25
195
5
18
29
196
24
53
5
208
51
54
52
55
207
57
20
58
23
12
28
159
3
206
26
3
35
3
3
2
33
3
142
3
10
142
3
3
38
38
64
207
1
13
37
3
3
3
145
37
208
35
3
34
26
32
REPAIR P ARTS
TRACTOR - MODEL NUMBER QP20H46B
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 169830 Chassis
2 169061 Drawbar
3 17060612 Screw 3/8-16x3/4
5 155272 Bumper Hood/Dash
9 168346X011 Dash P/L
10 72140608 Bolt Carriage 3/8-16 x 1
11 155927 Panel Dash Lh
12 145660 Clip Tinnerman
13 172106 Panel Dash Rh
17 159639X428 Hood LT/PL
18 126938X Bumper Hood
20 156437 Plate Mtg Battery Fuel Tank Fr
23 124028X Bushing
24 74780616 Bolt Fin Hex 3/8-16 x 1 Gr 5
25 19131312 Washer 13/32 X 13/16 X 12 Ga
26 73800600 Nut Lock Hex W/Ins 3/8-16 Unc
28 157373 Grille LT/PL
29 140273X599 Lens LT/PL
30 168754X428 Fender Pnt YTST
31 137113 Bracket Fender
33 145244X428 Footrest Pnt Lh
34 145243X428 Footrest Pnt Rh
35 72110606 Bolt Rdhd Sht Sqnk 3/8-16 x 3/4
37 17490508 Screw Thdrol 6/16-18 x 1/2 TYT
38 169834 Bracket, Asm. Pivot Mower Rear
44 140675 Strap Asm Fender
51 73800400 Nut Lock Hex W/Ins 1/4-20
52 19091416 Washer 9/32 x 7/8 x 16 Ga.
53 144697 Bracjet Grukke Lh
54 161464 Screw Hex Wshd 8-18 x 7/8
55 144696 Bracket Grille Rh
57 74780412 Bolt Hex 1/4-20 x 3/4
58 162266 Duct Air
64 154798 Dash Lower STLT
142 165867 Plate Reinforcement STLT
145 156524 Rod Pivot Chassis/Hood
159 163975X428 Cupholder
195 166822X428 Panel Pnt Fender YT/GT
196 17580408 Screw Tap Tite 1/4-20 x 1/2
206 170165 Bolt Shoulder 5/16-18
207 17670508 Screw Thdrol 5/16-18 x 1/2
208 17670608 Screw Thdrol 3/8-16 x 1/2
212 156229 Insert Lens Reflect P/L LT SVC
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
REPAIR P ARTS
DRIVE
TRACTOR - MODEL NUMBER QP20H46B
16
197
32
81
30
89
69
52
95
169
10
16
21
198
57
164
8
161
14
163
82
30
159
165
52
158
29
162
83
156
62
59
32
168
166
61
36
42
35
41
40
38
28
22
42
56
16
51
51
34
39
84
42
26
37
20
65
27
66
27
49
63
9
47
50
26
51
33
36
144
52
23
202
150
48
151
51
35
53
55
77
15
96
26
19
26
74
75
24
78
61
200
71
73
76
25
26
77
1
199
61
16
34