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REPAIR
ENGINE
PARTS
18 HP 44" TRACTOR - MODEL NUMBER 917.255970
KEY PART
NO. NO.
1 t38t61
2 139217
3 132403O0
4 13280328
5 13200300
6 138129
7 139211
8 12t361X
9 138559
10 !05432X
11 137'140
12 136907
13 138486
14 138487
15 127334X
16 109227X
!7 106082X
!8 123549X
19 13290300
20 133439
21 17720410
22 132779
23 19132616
DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
Engine B7S 18 IC Gold Vert 24
Muffler Asm Briggs (lnco Key No, 29 25
& 34) 26
Elbow Street 3/8 NPT 27
Nipple Pipe 3i8NPT X 3 - 1/2 28
Elbow STD 90 Degree 3/8 - 18 NPT 29
Clamp Tube Double Engine 30
Baffle Engine B&S VGT 31
Pulley V-Idler 32
Stop Keeper Asm VGT 33
Bushing
Clutch Electric 34
Pulley Engine VGT Elect Clutch
Baffle Air LH Koh VGT 35
Baffle Air RH Koh VGT 36
Tank Fuel WiSym Vented 37
Pad Spacer 38
Pad Spacer 39
Cap Asm Fuel W/Sym Vented 40
Plug Oil Drain (Order From Engine 41
Manufacturer)
Control Throttle 42
Screw Hex Thd Cut 1/4 - 20 X 5/8 43
Control Choke 44
Washer 13/32 X 1 - 5/8 X 16 Ga
11050600
73610600
3645J
139227
7834R
139364
139365
139367
1749O508
73800600
17190408
10040500
74570512
123487X
11050600
17490624
17490652
126197X
1O040700
71170768
2751R
Washer Ext Tooth 3/8
Nut Fin Hex 3/8 - 24 UNF
Bushing
Stem Tank Fuel
Fuel Line
Muffler Mounting Brkt
Port Liner
Gasket
Screw Thdrol 5/16 - 18 X 1/2
Nut Lock Hex W/Wash 3/8 - 16
UNC
Screw Hex Whs Thd Cut 1.,4- 20
UNC
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 t - 1/20D X 15/32 ]D X
,250
Washer Lock 7/16
Bolt Hex 7/16 - 20 X 4 _1/4 Ga 5
Clip Feel Line
NOTE: All component dimensions given in LJ,S.inches
1 inch = 25,4 mm
4'1