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REPAIR
ENGINE
PARTS
18 HP 44" TRACTOR = MODEL NUMBER 917.257720
KEY PART
NO. NO.
1
2
14! 948
144110
3 13240300
4 13280328
5 1320030O
6 138129
8 121361X
9 138559
10 105432X
11 137140
12 136907
13 138486
14 138487
15 127334X
16 109227X
17 106082X
18 123549X
19 13290300
2O 133439
21 17720410
KEY PART
DESCRiPTiON NO. NO. DESCRiPTiON
Engine Kohler 18 Mag Vt 22
Muffler Asm Kohler VGT (Inc. Key 23
No. 34) 24
Elbow Street 3/8 NPT 25
Nipple Pipe 3/8NPT X 3 - 1/2 26
Elbow STD 90 Degree 3/8 - 18 NPT 27
Clamp Tube Double Engine 28
Pulley V-Idler 29
Stop Keeper Asm VGT 30
Bushing 32
Clutch Electric 34
Pulley Engine VGT Elect Clutch 35
Baffle Air LH Koh VGT 36
Baffle Air RH Koh VGT 37
Tank Fuel W/Sym Vented 38
Pad Spacer 39
Pad Spacer 40
Cap Asm Fuel W/Sym, Vented 41
Plug Oil Drain (Order From Engine 42
Manufacturer) 43
Control Throttle
Screw Hex Thd Cut 1/4 - 20 X 5/8
138672
19132616
11050600
73610600
3645J
139277
7834R
105037X
17490508
17720408
10040500
74570512
123487X
11050600
17490624
17490652
126197X
10040700
71170768
Control Choke
Washer 13/32 X 1 - 5/8 X 16 Ga
Washer Ext Tooth 3/8
Nut Fin Hex 3/8 - 24 UNF
Bushing
Stem Tank Fuel
Fuel Line
Spark Arrester Kit
Strip Foam
Screw Thdrol 5/16 - 18 X 1/2
Screw Thd Cut 1.4 - 20 x 1/2
Washer Lock 5/16
Screw Hex 5/16 - 16 UNC X 3/4
Clamp Hose
Lockwasher Ext Tooth 3/8
Screw Thdrol 3/8 - 16 X 1 - 1/2 TT
Screw Thdrol 3/8 - 16 X 3 - 1/4
Washer 1-1/20D X 15/32 ID X .250
Washer Lock 7/16
Bolt Hex 7/16 - 20 X 4 - 1/4 Ga 5
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
.J
41