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TRACTOR - - MODEL NUMBER 917.272680
GROUND DRIVE
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 Transmission (See Breakdown) 73 169182
Hydro Gear Model 322-0510 74 137057
8 165866 Rod, Shift 75 121749X
10 STD561210 Pin, Cotter 1/8 x 1 76 12000001
14 STD551125 Washer Lock 1/4 77 123583X
15 74490544 Bolt Hex PIghd 5/16-18 Gr. 5 78 121748X
16 73800500 Nut, Lock Hex w/Ins 81 165596
5/16-18 UNC 82 165711
19 73800600 Nut Lock Hex w/Ins 3/8-16 83 19171216
21 130564 Knob 84 169843
22 169498 Rod, Brake 89 164890X428
24 73350600 Nut 90 124346X
25 106888X Spring, Rod, Brake 95 170201
26 19131316 Washer 13/32 x 13/16 x 16 Ga. 96 STD624003
27 STD561210 Pin, Cotter 1/8 x 3/4 103 73940800
28 175765 Rod, Parking Brake
29 71673 Cap, Parking Brake 116 72140608
30 174973 Bracket, Transmission 120 73900600
32 74760512 Bolt Hex 5/16-18 UNC x 3/4 150 175456
34 175578 Shaft, Foot Pedal 151 19133210
35 120183X Bearing, Nylon 156 166002
36 19211616 Washer 158 165589
37 1572H Pin, Roll 159 183900
38 179114 Pulley, Composite 161 72140406
39 74760648 Bolt
41 175556 Keeper, Belt, Idler 162 73680400
47 127783 Pulley, Idler, V-Belt 163 74780416
48 154407 Bellcrank Clutch Grnd Drustl 164 19091010
49 123205X Retainer, Belt 165 165623
50 72110612 Bolt 166 166880
51 STD541437 Nut 168 165492
52 STD541431 NutCrownlock 5/16-18 169 165580
53 105710X Link, Clutch 197 169613
55 105709X Spring, Return, Clutch 198 169593
56 17060620 Screw 3/8-16 x 1 1/4 199 169612
57 140294 V-Belt, Drive 200 72140508
59 169691 Keeper, Belt, Center
61 17120614 Screw 3/8-16 x .875 202 72110614
62 8883R Cover, Pedal
63 175410 Pulley, Engine 205 19171616
64 71170764 Bolt Hex 7/16 x 4 Gr. 5 212 145212
65 10040700 Washer 250 17060612
66 154778 Keeper, Belt Engine Hydro
70 134683 Guide, Be_t, Mower Drive RH
71 169183 Strap, Torque, Lh
Strap, Torque, Rh
Spacer, Axle
Washer 25/32 x 1-1/4 x 16 Ga.
Ring, E
Key, Square
Washer 25/32 x 1-5/8 x 16 Ga.
Shaft Asm Cross
Spring, Torsion
Washer 17/32 x 3/4 x 16 Ga.
Link Transaxle
Console, Shift
Nut Self-Thd Wshd 1/4
Control Asm Bypass Hydro
Spring, Retainer 1"
Nut, Hex Jam Toplock
1/2-20 UNF
Bolt Rdhd Sq Neck 3/8-16 x 1
Nut Lock Fig 3/8-16
Spacer Retainer
Washer 13/32 x 2 x 10
Washer 5/16 x 1.0 x 1.25
Bracket Shift Mount
Hub Shift
Bolt Rdhd Sqnk
1/4-20 x 3/4 Gr. 5
Nut Crownlock 1/4-20 Uric
Bolt Hex Fin 1/4-20 x 1
Washer 5/8 x .281 x 10 Ga.
Bracket Pivot Lever
Screw 5/16 x 1.0 x .125
Bolt Shoulder 5/16-18 x .561
Plate Fastener Cross Shaft
Nyliner Snap-tn
Washer Nyliner
Bolt Shoulder 5/16-18 Uric
Bolt RdHd Sqnk
5/16-18 Unc x 1
Bolt Carr. Sh
3/8-16 x 1-3/4 Gr. 5
Washer 17/32 x 1 x 16 Ga.
Nut Hex Flange Lock
Screw 3/8-16 x 3/4
NOTE: All component dimensions given in U.S. inches
1inch = 25.4 mm
39