Page 1
SCHEMATIC
TRACTOR - - MODEL NUMBER SGT18H46C
A
AMMETER
(OPTIONAL)
RED
B
G
L
IGNITION
SWITCH
BLACK
RED
BLACK
BATTERY
RED
FUSE
WHITE
RED
M
STARTER
BLACK
SOLENOID
S
M
A1
CLUTCH / BRAKE
(PEDAL UP)
WHITE
A2
SEAT SWITCH
(NOT OCCUPIED)
WHITE
BLACK
BLACK
HOUR
ATT'MENT CLUTCH
BLACK
(CLUTCH OFF)
BLACK
BLACK
GROUNDING
CONNECTOR
METER
BLUE
(OPTIONAL)
FUEL
LINE
BLACK
IGNITION
UNIT
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
IGNITION SWITCH
CIRCUITPOSITION
OFF
M+G+A1
B+A1RUN/LIGHT
B+A1RUN
B + S + A1START
“MAKE”
NONE
A2+L
NONE
NONE
28 VOLTS AC MIN. @ 3600 RPM
(CHARGING SYSTEM DISCONNECTED)
DIODE
14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
FUEL SHUT-OFF SOLENOID
(IF SO EQUIPPED)
ORANGE
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
RED
LIGHTING SYSTEM OUTPUT
5 AMP AC @ 3600 RPM
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
BROWN
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
NON-REMOVABLE
CONNECTIONS
WILL BECOME THEIR BRIGHTEST.
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
ALTERNATOR
BLACK
HEADLIGHTS
29
Page 2
16
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
ELECTRICAL
24
2221
42
41
33
30
27
43
27
25
27
27
26
40
16
12
8
10
11
D
.
C
.
A
M
P
E
R
E
S
45
29
28
27
55
2
1
12
30
Page 3
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 163465 Battery, 12 Volt, 28 Amp
2 74760412 Bolt, Hex Head 1/4-20 UNC x 3/4
8 7603J Tray, Battery
10 145211 Bolt, Battery Front 1/4-20 x 7.5 Zinc
11 150109 Holddown Battery Dash Mount
12 145769 Nut, Push Nylon 1/4" Battery Front
16 153664 Switch Interlock Push-In
21 166181 Harness, Light
22 4152J Bulb, Light
24 108423X Cable, Battery, 6 Gauge, 16", Red
25 146148 Cable, Battery
26 175158 Fuse, 20 Amp
27 73510400 Nut, Hex, Keps 1/4-20 UNC
28 145491 Cable, Ground, 6 Gauge, 12", Black
29 121305X Switch, Plunger
30 175566 Switch, Ignition, Push-In
33 140401 Key, Ignition
40 178446 Harness, Ignition
41 71110408 Bolt, Hex, Fin. 1/4-20 x 1/2
42 131563 Cover, Terminal, Red
43 178861 Solenoid
45 121433X Ammeter, Rectangular
55 17490508 Screw, Thdrol 5/16-18 x 1/2 TYT
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
31
Page 4
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
CHASSIS
125
209
26
90
31
115
71
25
30
66
119
24
25
26
3
9
209
44
117
114
209
6
209
120
50
121
87
24
122
3
36
36
123
19
124
64
153
209
36
17
212
28
29
33
26
206
86
114
117
209
209
209
205
209
35
59
38
1
3
205
34
13
26
3
108
8
38
11
3
35
74
10
2
32
Page 5
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
CHASSIS
KEY PART
NO. NO. DESCRIPTION
1 174620 Chassis
2 176554 Drawbar
3 17060612 Screw 3/8-16 x 3/4
6 155923 Saddle Flat Lt
8 126471X Clip Insulator
9 170119 Dash
10 72140608 Bolt RdHd Sqnk. 3/8-16 Unc x 1
11 159954 Panel Dash Lh
13 159953 Panel Dash Rh
17 136673X550 Hood
19 164863 Screw Hwhd Hi-Lo #13-16 x 3/4
24 74780616 Bolt Fin Hex 3/8-16 Unc x 1 Gr. 5
25 19131312 Washer 13/32 x 13/16 x 12 Ga.
26 73800600 Nut Lock Hex w/Insert 3/8-16 UNC
28 136375 Grill / Lens Asm
29 136374X599 Lens Grille
30 167270X550 Fender Asm YTGT
31 175315 Bracket Fender
33 145244X550 Footrest Pnt. Lh
34 145243X550 Footrest Pnt. Rh
35 72110606 Bolt RdHd Sht. Sqnk. 3/8-16 x 3/4
36 108067X Nut Pal
38 175710 Bracket Asm Pivot Mower Rear
44 140675 Strap Asm Fender
50 137304 Rod Support Hood
59 110436X Bushing Snap Split
64 170259 Dash Lower
66 169261X010 Plate Dash Slkscr.
71 73640400 Nut Keps Hex 1/4-20 Unc
74 73680600 Nut Crownlock 3/8-16 Unc
86 136670X550 Panel Asm. Pnt. Side Rh
87 136671X550 Panel Asm. Pnt. Side Lh
90 19091216 Washer 9/32 x 3/4 x 16 Ga.
108 74780612 Bolt Fin Hex 3/8-16 Unc x 3/4
114 145349 Bracket Support Dash
115 121794X Cover Access
117 144283 Washer Serrated Disc 13/32 x 1
119 19092016 Washer 9/32 x 1-1/4 x 16 Ga.
120 137271 Rivet Ratchet Female
121 137269 Washer Nylon
122 137270 Rivet Ratchet Male
123 157105 Bracket Asm. Pivot Hood Lh
124 157107 Bracket Asm. Pivot Hood Rh
125 74180412 Screw Mach Cr. 1/4-20 x 3/4
153 19132203 Washer 13/32 x 1-3/8 x 3 Ga.
205 17490608 Screw Thdrol 3/8-16 x 1/2
206 170165 Bolt Shoulder 5/16-18
209 17000612 Screw Hex wsh Thdrol 3/8-16 x 3/4
212 156144 Insert Lens Reflector
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
Page 6
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
DRIVE
89
57
51
51
63
139
71
146
16
96
197
19
138
146
110
95
16
16
81
110
134
30
51
69
169
10
8
21
103
31
198
171
102
94
161
164
14
163
82
159
139
165
131
158
162
83
156
73
168
19
142
29
166
111
58
62
51
59
61
110
36
35
41
40
38
110
42
56
28
42
34
42
39
37
26
66
64
65
49
27
47
120
50
19
36
72
35
70
116
202
150
48
151
51
53
76
135
189
141
136
127
26
77
3
43
129
129
128
140
129
24
19
26
25
26
2
77
136
1
189
22
135
93
76
126
126
84
126
137
27
55
131
32
34
Page 7
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
DRIVE
KEY PART
NO. NO. DESCRIPTION
1 - - - - - - - Transaxle, Hydro Gear Model 325-
3000 (Order Parts From Transaxle
Manufacturer)
2 142431 Spring, Brake Return
3 143995 Pulley, Hydro
8 166020 Rod Shift Fender Adjust Yt
10 76020416 Pin, Cotter 1/8 x 1
14 10040400 Washer Lock Hvy Helical
16 73800500 Nut Lock Hx w/Ins. 5/16-18 Unc
19 73800600 Nut, Lock Hex w/Ins. 3/8-16 UNC
21 140845 Knob
22 158274 Rod, Brake
24 73350600 Nut, Hex Jam 3/8-16
25 106888X Spring, Rod, Brake
26 19131316 Washer 13/32 x 13/16 x 16 Ga.
27 76020412 Pin, Cotter 1/8 x 3/4
28 175765 Rod, Brake, Park
29 71673 Cap, Brake Parking Black
30 123780X Bracket, Transaxle, L.H.
31 123791X Keeper, Belt, Transaxle, L.H.
32 74760512 Bolt Hex Hd. 5/16-18 Unc x 3/4
34 175578 Shaft, Foot Pedal
35 120183X Bearing Nylon
36 19211616 Washer 21/32 x 1 x 16 Gauge
37 1572H Pin,Roll 3/16 x 1
38 165936 Idler, Flat
39 74760648 Bolt Rdhd 3/8-16 Unc x 3
40 175461 Spacer
41 175556 Keeper, Idler
42 19131312 Washer 13/32 x 13/16 x 12 Gauge
43 19111012 Bolt Shoulder 5/16-18 Unc
47 127783 Pulley, Idler
48 154407 Bellcrank Clutch Grnd Drv Stl
49 123205X Retainer, Belt
50 74760624 Bolt, Hex 3/8-16 x 1-1/2
51 73680600 Nut, Crownlock 3/8-16
53 105710X Link, Clutch
55 105709X Spring, Return, Clutch
56 74760620 Bolt, Hex 3/8-16 x 1-1/4
57 161741 V-Belt, Drive
58 158278 Keeper, Belt, Transaxle, R.H.
59 169691 Keeper Belt Centerspan
61 17060612 Screw 3/8-16 x 3/4
62 8883R Cover, Foot Pedal
63 175412 Pulley, Engine
64 71170764 Bolt, Hex 7/16-20 x 4-1/4
65 10040700 Washer, Lock Hvy Hlcl Spr 7/16
66 161488 Keeper Belt Engine F-proof
69 142432 Screw Hex Wsh Hi-Lo 1/4-1/2 Unc
70 162848 Keeper Belt Engine
71 158283 Strap Torque Lh Hydro-3000
72 19132012 Washer 13/32 x 1-1/4 x 12 Ga.
73 158282 Strap Torque Rh Hydro-3000
76 12000053 E-Ring
KEY PART
NO. NO. DESCRIPTION
77 9396E Key Square 1/4 x 2
81 165598 Shaft Asm Cross Tapered
82 123782X Spring, Torsion
83 19171216 Washer 17/32 x 3/4 x 16 Gauge
84 165926 Link Transaxle
89 164892X428 Console
93 142564 Line Fuel Hydro
94 140462 Fan Hydro
95 158508 Control Asm Bypass Hydro-3000
96 4497H Retainer Spring 1" Zinc/cad.
102 141322 Washer Belliville 1/2 x 1-1/2
103 73940800 Nut Hex Jam Toplock 1/2-20 Unf
110 74760612 Bolt Hex 3/8-16 x 3/4
111 123776X Bracket, Transaxle, R.H.
116 72110610 Bolt Rdhd Sq Neck 3/8-16 x 1/25
120 73900600 Nut Lock Flg. 3/8-16 Unc
126 1685H Nut Lock 5/16-18 Nc Thd
127 74490548 Bolt Hex Flghd 5/16-18 x 3.0 Gr. 5
128 158284 Bracket Neutral Adjust HG-3000
129 105529X Bolt Shoulder 5/16-18 Unc
131 10140500 Washer Lock 5/16
134 158272 Rod Actuator Bypass Hydro-3000
135 123800X Washer 1-1/32 x 1-5/8 x 16 Gauge
136 163168X Washer Axle Flange
137 19111212 Washer 11/32 x 3/4 x 12 Ga.
138 19112016 Washer 11/32 x 1.25 x 16 Ga.
139 74780612 Bolt Fin Hex 3/8-16 x 3/4
140 4475J Bushing Pinion Sector
141 159197 Pin Hitch
142 74330516 Bolt 5/16 x 24 x 1
146 74490536 Bolt Hex Flghd 5/16-18 x 2-1/4
150 175456 Spacer
151 19133210 Washer 13/32 x 2 x 10 Ga.
156 166002 Washer Srrted 5/16ID x 1.125
158 165589 Bracket Shift Mount
159 165494 Hub Tapered Flange Shift Lt
161 72140406 Bolt Rdhd Sqnk 1/4-20 x 3/4 Gr 5
162 73680400 Nut Crownlock 1/4-20 Unc
163 74780416 Bolt Hex Fin 1/4-20 Unc x 1 Gr 5
164 19091010 Washer 5/8 x .281 x 10 Ga
165 165623 Bracket Pivot Lever
166 166880 Screw 5/16-18 x 5/8
168 165492 Bolt Shoulder 5/16-18 x .561
169 165581 Plate Fastening Lt
171 17490608 Screw Thdrol 3/8-16 x 1/2 Ty-Tt
189 160849 Washer Spacer Axle
197 169613 Nyliner Snap-In 5/8" Id
198 169593 Washer Nyl 7/8 Id x .105
202 72110612 Bolt 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
35
Page 8
REPAIR PARTS
38
TRACTOR - - MODEL NUMBER SGT18H46C
STEERING ASSEMBLY
12
38
38
39
1
41
42
37
37
36
91
43
29
92
29
29
88
71
29
46
8
17
82
6
9
2
7
9
5
3
47
65
85
11
26
68
13
85
32
67
46
8
6
9
67
67
47
7
9
5
4
43
29
29
15
15
15
40
10
30
28
43
6
8
36
Page 9
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
STEERING ASSEMBLY
KEY PART
NO. NO. DESCRIPTION
1 140044X428 Wheel Steering Auto Black
2 154427 Axle Asm Front
3 156486 Spindle Asm Lh
4 157475 Spindle Asm Rh
5 6266H Bearing Race Thrust Harden
6 121748X Washer 25/32 X 1 5/8 X 16ga
7 19272016 Washer 27/32 X 1 1/4 X 16 Ga
8 12000029 Ring Klip #t5304-75
9 3366R Bearing Col Strg Blk
10 175122 Link Drag
11 10040600 Lockwasher
12 73940800 Nut Hex Jam Toplock 1/2-20 Unf
13 136518 Spacer Bearing Axle Front
15 145212 Nut Hex Flange Lock
17 177883 Shaft Asm Strg
26 126847X Bushing Rod Tie Blk Lt
28 19131416 Washer 13/32 X 7/8 X 16ga
29 17060612 Screw 3/8-16x3/4
30 76020412 Pin
32 130465 Rod Tie Wire Form 19 75 Mech
36 145207 Bushing Strg
37 152927 Screw TT #10-32 x 5 x 3/8 Flange
38 140045X428 Insert Cap Strg
39 100712K Washer .53 x 2.25 x .160 Zinc
40 7810H Locknut Center
41 100711L Adaptor Wheel Strg 640/ 635id
42 177776X428 Boot Dash Steering
43 121749X Washer 25/32 X 1 1/4 X 16 Ga
46 121232X Cap Spindle Fr Top Blk
47 6855M Fitting Grease
65 160367 Spacer Axle
67 72140618 Bolt Rdhd Sq 3/8-16 Unc x 2-1/4
68 169828 Brace Axle Front
71 175146 Steering Asm
82 169835 Bracket Susp Chassis Front
85 133835 Fastner Christmas Tree
88 175118 Bolt Shoulder 7/16-20
91 175553 Clip Steering
92 169829 Axle Rear 16" Tires GTV
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
37
Page 10
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
ENGINE
2
1
25
26
14
38
105
32
31
3
34
106
33
16
107
105
81
13
62
72
8
10
6
5
45
99
45
100
39
40
29
41
33
OPTIONAL EQUIPMENT
Spark Arrester
37
45
23
4
38
Page 11
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
ENGINE
KEY PART
NO. NO. DESCRIPTION
1 176174 Control, Throttle
2 17720410 Screw, Hex Head, Thread Cutting 1/4-20 x 5/8
3 - - - - - - - Engine, Tec Model Number TVT691
(Order Parts From Engine Manufacturer)
4 149723 Muffler
5 174703 Tube, Exhaust, LH
6 174704 Tube, Exhaust, RH
8 171877 Bolt 5/16-18 UNC x 3/4 w/Sems
10 176252 Shield, Heat
13 35-414 Muffler Gasket
14 148456 Tube Drain Oil Easy
16 11050600 Washer, Lock, External Tooth 3/8
23 169837 Shield, Browning / Debris Guard
25 132778 Choke Control
26 73920600 Nut, Keps 3/8-24 UNF
29 137180 Kit, Spark Arrestor
31 151346 Tank Fuel 3 50 Rear
32 161493 Cap Fuel Gauge
33 123487X Clamp, Hose
34 106082X Pad, Spacer
37 8543R Line, Fuel
38 148315 Plug Drain Oil Easy
39 109227X Pad, Idler
40 3645J Bushing
41 139277 Stem, Fuel Tank
45 17000612 Screw Hex wsh Thdrol 3/8-16 x 3/4
62 10040500 Washer Lock 5/16
72 71070512 Screw Hex Hd Cap 5/16-18 x 3/4
81 73510400 Nut Keps Hex 1/4-20 Unc
99 160771 Bracket Asm Pivot Lh Raised
100 160772 Bracket Asm Pivot Rh Raised
105 17120616 Screw 3/8-16 x 1
106 160-82 Control Cover
107 42-823 Screw
NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm
39
Page 12
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
SEAT ASSEMBLY
1
18
28
28
14
16
15
24
11
25
7
10
27
5
7
5
6
22
2
21
13
17
KEY PART
NO. NO. DESCRIPTION
1 140118 Seat
2 140551 Pivot Bracket, Seat
5 145006 Clip, Push-in Hinged
6 73800600 Nut, Lock Hex w/Ins 3/8-16 UNC
7 124181X Spring, Seat
10 174894 Pan, Seat
11 166369 Knob, Seat, Black
12 121246X Bracket, Switch Mounting
13 121248X Bushing, Snap, Black, Nylon
14 72050412 Bolt, Carriage 1/4-20 x 1-1/2
15 121249X Spacer, Split
12
KEY PART
NO. NO. DESCRIPTION
16 123740X Spring
17 123976X Locknut, Flange 1/4 Grade 5
18 124238X Cap Spring Seat Blk 1.75 x 1.0
21 171852 Bolt, Shoulder 5/16-18 Unc -2A
22 73800500 Nut Lock Hex W/Ins 5/16-18 Unc
24 19171912 Washer 17/32 x 1-3/16 x 12 Gauge
25 127018X Bolt, Shoulder 5/16-18 x .62
27 17490608 Screw Thdrol 3/8-16 x 3/4
28 171877 Bolt 5/16-18 UNC x 3/4 w/Sems
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
40
Page 13
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
DECALS
11
17
1
12
10
4
2
14
8
2
3
13
13
7
17
6
KEY PART
NO. NO. DESCRIPTION
1 171448 Decal Fender
2 164022 Decal Side Panel
3 177174 Decal Hood LH
4 177173 Decal Hood RH
6 140837 Decal Parking Brake
7 157002 Decal Danger Fender English
8 4900J Decal Clutch/brake English
10 139346 Decal V-Belt Sch
11 162398 Decal Steering
WHEELS & TIRES
1
2
6
5,8
4,10
7
3,9
19
11
KEY PART
NO. NO. DESCRIPTION
12 156835 Decal Oper sDL Eng
13 106202X Reflector Taillight
14 145005 Decal, Btry Dngr/Psn
17 177512 Decal Fender Side
19 162391 Decal Deck
- - 142341 Decal Cntrl Movement
- - 157199X428 Pad, Footrest
- - 138311 Decal Handle Lft Height Adjust
- - 178387 Manual, Owner's (English)
KEY PART
NO. NO. DESCRIPTION
1 59192 Cap Valve Tire
2 65139 Stem Valve
3 106230X Tire Front
4 59904 Tube Front (Service Item Only)
5 106228X427 Rim Asm 8" front
6 278H Fitting Grease (Front Wheel Only)
7 9040H Bearing Flange (Front Wheel nly)
8 124074X427 Rim Asm 12" rear
9 124106X Tire R 23 x 8.5-12 C Service
10 7154J Tube Rear (Service Item Only)
11 104757X428 Cap Axle Blk 1 50 X 1 00
- - 144334 Sealant, Tire (1 Doz. Tube)
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
41
Page 14
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
MOWER LIFT
37
38
11
29
40
41
36
28
13
46
27
47
25
49
24
23
30
50
26
7
8
9
10
14
2
6
1
13
13
19
31
32
31
32
12
19
13
42
43
39
20
44
15
20
20
15
16
17
18
20
42
Page 15
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
MOWER LIFT
KEY PART
NO. NO. DESCRIPTION
1 121006X Rod Assembly, Lever
2 159188 Shaft Assembly, Lift
6 74780624 Bolt, Hex Head, Fin. 3/8-16 x 1-1/2
7 109413X Grip Handle
8 124526X Button Plunger Black
9 122364X Plunger Lever Lift
10 2876H Spring
11 145537 Link, Lift, LH
12 145536 Link, Lift, RH
13 4939M Retainer Spring
14 159189 Lever Assembly, Lift, RH
15 173288 Link, Front
16 73350800 Nut, Hex, Jam 1/2-13 UNC
17 175689 Trunnion
18 73800800 Nut Lock W/Wsh 1/2-13 Unc
19 139868 Arm, Suspension, Rear
20 163552 Retainer Spring
23 110807X Nut Special
24 19131016 Washer 13/32 x 5/8 x 16 Ga.
25 137150 Spring Compression
26 76020308 Pin Cotter
27 160985 Rod Adj. Lift
28 73350600 Nut Hex Jam 3/8-16 Unc
29 138057 Knob Inf. 3/8-16 Unc
30 150233 Trunnion Infin Height
31 169865 Bearing
32 73540600 Nut, Crownlock 3/8-24
36 155097 Pointer Height Indicator
37 123935X Plug Ho le
38 17060516 Screw 5/16-18 x 1
39 142992 Stop Over Center
40 19112410 Washer 11/32 x 1-1/2 10 Ga.
41 123934X Scale Ind. Height
42 73680600 Nut, Crownlock 3/8-16 UNC
43 19131612 Washer 13/32 x 1 x 12 Ga.
44 72240608 Bolt, Carriage 3/8-16 x 1.00
46 12000022 E-Ring
47 19292016 Washer
49 145212 Nut Hex Flange Lock
50 110452X Nut Push
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
43
Page 16
REPAIR PARTS
90
90
91
180
93
94
93
180
95
TRACTOR - - MODEL NUMBER SGT18H46C
MOWER DECK
152
151
158
153
116
157
154
117
153
119
67
156
45
155
39
32
46
33
31
126
58
42
44
129
38
41
85
127
130
69
35
72
52
136
132
42
41
59
135
62
61
62
34
30
50
60
44
31
33
49
36
37
43
30
46
45
40
47
32
21
21
22
20
23
24
25
26
27
118
134
48
19
82
133
18
1
21
29
28
117
15
11
16
14
10
13
9
8
18
18
3
6
5
44
Page 17
REPAIR PARTS
TRACTOR - - MODEL NUMBER SGT18H46C
MOWER DECK
KEY PART
NO. NO. DESCRIPTION
1 156948 Deck Asm., Mower 46"
3 138457 Bracket Asm., Sway Bar
5 4939M Retainer Spring
6 130832 Arm, Suspension, Rear (Sway Bar)
8 850857 Bolt, Patched 3/8-24 x 1-1/4 Gr. 8
9 10030600 Washer, Lock Hvy., Unplated 3/8
10 140296 Washer, Hard Blade, Mower Vented
11 176084 Blade Hi-Perf 46"
13 137553 Shaft Asm. w/Lower Bearing
14 137152 Housing, Mandrel
15 110485X Bearing, Ball, Mandrel
16 174493 Stripper, Mower Round
18 72140505 Bolt, Carriage 5/16-18 x 5/8
19 132827 Bolt, Hex Head, Shoulder 5/16-18
20 145055 Baffle, Vortex Mower 46"
21 73680500 Nut, Crownlock 5/16-18 UNC
22 134753 Stiffiner, Bracket
23 131267 Bracket, Deflector
24 105304X Cap, Sleeve
25 149287 Spring, Torsion, Deflector
26 110452X Nut, Push
27 166883X428 Shield, Deflector Mower
28 19111016 Washer 11/32 x 5/8 x 16 Ga.
29 131491 Rod, Hinge
30 157722 Screw, Thdroll Washer Head
31 129963 Washer, Spacer Mower Vented
32 153531 Pulley, Mandrel
33 178342 Nut, Flg. Top Lock
34 144945 Anchor, Spring Deck 46"
35 17490628 Screw, Thdroll 3/8-16 x 1-3/4 Tytt
36 19131316 Washer 13/32 x 1 x 16 Ga.
37 131494 Pulley, Idler, Flat
38 156085 Keeper, Belt, Idler
39 144917 Pulley, Idler, Driven
40 137273 Spring, Secondary 44/46/50 Vent
41 17060620 Screw 3/8-16 x 1-1/4
42 165723 Spacer, Retainer
43 144949 Arm, Idler Secondary
44 133943 Washer, Hardened
45 145059 Cover, Mandrel Deck
46 137729 Screw, Thdroll. 1/4-20 x 5/8
47 144959 V-Belt, Mower, Secondary
48 139573 V-Belt, Mower, Primary
KEY PART
NO. NO. DESCRIPTION
49 73680600 Nut, Crownlock 3/8-16 UNC
50 72110612 Bolt, Carriage 3/8-16 x 1-1/2 Gr. 5
52 156493 Pulley Idler
58 165906 Rod Brake 46"
59 157034 Guide Bolt 46" Mower Dr
60 156722 Arm Asm Brake 46"
61 161315 Bolt Shld 5/16-18
62 131870 Spring Return
67 106932X Knob Rd 3/8-16 Plstc Thds Blk
69 73350600 Nut Hex Jam 3/8-16 Unc
72 19131316 Washer 13/32 x 1 x 16 Ga.
82 4497H Retainer Spring
85 10040600 Washer Lock 3/8
90 17060612 Screw 3/8-16 x 3/4
91 175746 Bracket Asm. Noseroller Lh
93 19171416 Washer 17/32 x 7/8 x 16 Ga.
94 132264 Roller Nose
95 175747 Bracket Asm. Noseroller Rh
116 4898H Bolt, Shoulder
117 165746 Gauge Wheel
118 73930600 Nut, Centerlock 3/8-16 UNC
119 19121414 Washer 3/8 x 7/8 x 14 Ga.
126 156472 Arm, Idler, Primary Deck 46"
127 146763 Pulley, Idler, V-Groove Dim. 4.25
129 19133808 Washer 13/32 x 2-3/8 x 8 Ga
130 165891 Bolt Carriage Idler
132 165890 Arm Spring Brake Mower
133 165904 Bracket Anchor Cable 46"
134 17490512 Screw Thdrol5/16-18 x 3/4
135 165898 R etai ner S prin g Ye llow
136 19091216 Washer 9/32 x 3/4 x 16 Ga
151 169670 Bracket Clutch Cable
152 170328 Clutch Cable 38"/46"
153 169674 Washer Flat 3/8" Type B
154 169675 S pring Reta iner
155 169671 Spring Retension Q
156 169672 SPacer Clutch Cable
157 169669 Rod Clutch Cable 3/8"
158 17720410 Screw Hex Thd Cut 1/4-20 x 5/8
- - 143651 Mandrel Asm 44"/46"/50" Service
- - 172497 Replacement Mower, Complete
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
45
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