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Troy-Bilt 21AE686N063 8 hp Roto-Tiller (2003)

Model: 21AE686N063 8 HP Roto-Tiller (2003)

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Power Unit Transmission Assemblies

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TRANSMISSION COVER & SHIFT LEVER BRACKET ASSEMBLIES MTD-NA
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1
HEX SCREW #10-32 MTD-710-04454
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2
Knob-tines/PTO clutch lever, tapered, plastic MTD-GW-9463
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3
DETENT PLATE - tines/P.T.O. clutch lever MTD-GW-2263
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4
Decal-operating instructions, detent plate MTD-777I20945
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5
Bolt-flanged hex hd., 3/8-16 x 1-1/2" MTD-1186349
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7
SCREW 5/16-18 MTD-710-04043
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9
FLAT WASHER MTD-736-0275
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10
Clutch Bracket MTD-1900870001
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11
Pin-spring, 1/8" MTD-GW-9362
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12
Nut-castle (slotted), 1/2"-20 Call Tech Service for tightening instructions. MTD-GW-9838
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13
Washer-shoulder, 1/2" MTD-GW-9934
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14
Washer-disc spring MTD-GW-9932
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15
LEVER - wheel speed shift MTD-GW-2628
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16
Power Unit Transmission Cover MTD-719-04015P
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16A
UNKNOWN MTD-NA
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17
Gasket-transmission cover MTD-GW-1123
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18
Bolt-hex hd., 5/16-18 x 1", Grade 5, (remove with care) MTD-710-0376
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19
HEX NUT 5/16-18 MTD-712-3010
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20
Spring-neutral plunger (remove with care) MTD-1901439
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21
PLUNGER -neutral (REMOVE WITH CARE) MTD-GW-1035
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22
Clip Ring-retains neutral plunger MTD-1901440
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23
Nut-hex, flange locknut, 3/8"-16 MTD-1186393
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24
Bolt-hex hd., 3/8-16x1-1/2", threaded full length MTD-1902004
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TINES/PTO CLUTCH LEVER ASSEMBLY MTD-NA
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25
Lever-eccentric, tines/PTO clutch MTD-786-04002
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26
Bolt-hex hd., 1/4-20 x 1/2" MTD-710-3013
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27
Tines/PTO Clutch Bushing MTD-741-04008
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28
Retaining Ring-(snap ring), external MTD-GW-9516
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29
Eccentric-shaft, tines/PTO clutch lever MTD-GW-2461
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30
Lockwasher-hi-collar, 1/4" MTD-GW-9911
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31
Screw, 1/4-20 x.375 MTD-710-04354
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DRIVE SHAFT ASSEMBLY MTD-NA
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33
Retaining Ring-external MTD-716-0101
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34
Dog Clutch MTD-718-04615
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35
Key-3/16 sq. x 1" MTD-GW-9301
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36
HEX SCREW 5/16-24 x .75 MTD-710-0157
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37
Washer, 396 x 1140 x 095, B&S MTD-736-04193
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38
Pulley-transmission drive, cast iron MTD-GW-2107
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39
Washer-flat, hardened shoulder 1-1/4" MTD-GW-50027
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40
Bolt-hex hd., 1/4-20 x 3/4", front bearing cap MTD-1186310
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42
Cap-front bearing MTD-718-04007
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43
Oil Seal, .750 x 125 MTD-921-04044
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44
BEARING COVER GASKET MTD-GW-1124-2099
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45
Washer, Flat, 1.50 x 1.75 x .010 MTD-736-04308
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45
Washer, Flat, 1.50 x 1.75 x .03 MTD-736-04307
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45
Washer, Flat, 1.50 x 1.75 x .005 MTD-736-04306
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45
Washer, Flat, 1.50 x 1.75 x .062 MTD-736-04305
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46
Bearing, Tapered Roller (with race) (Incl. one bearing GW-9400 and one cup (race) GW-9401) MTD-941-0107
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47
Shaft-main drive, power unit MTD-GW-2655
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48
Oil Seal, .75 x 1.783 MTD-921-04030
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49
Retaining Ring, Int MTD-716-04102
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PINION SHAFT ASSEMBLY MTD-NA
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50
Pin-roll (spirol), 1/4 x 2" MTD-715-0121
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51
Plug-retaining, pinion bearing MTD-718-04006
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52
O-Ring-retaining plug MTD-GW-9604
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53
Washer, 1.00 x 1.50 x .03, SS (On right side only one GW-1132-1 shim is also used between bearing and washer, Ref. No.'s 54 & 55) MTD-736-04386
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53
Flat Washer, 1/234 x 1.015 x .062 MTD-736-04310
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53
Shim-same as GW-1132-1, .010" MTD-GW-1132-3
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54
Bearing-ball, pinion shaft MTD-GW-9404
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55
FLAT WASHER .510 x .995 MTD-736-0272
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56
Stem Pinion-slow speed gear & shaft MTD-GW-1222
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57
External Retaining Ring, 1.387 ID MTD-716-04119
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58
Worm Gear-bronze, wheel drive MTD-GW-2656
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59
Key-3/16" x 5/8" MTD-GW-9300
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60
Gear-fast speed pinion MTD-GW-1233
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WHEEL SHAFT ASSEMBLY MTD-NA
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61
Oil Seal, 1.0 x 1.499 MTD-921-04031
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62
Retaining Ring MTD-716-04104
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63
Washer, 1.375 x 1.015 x .062 MTD-736-04309
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63
Washer, 1.375 x 1.015 x .03 MTD-736-04260
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63
Washer, 1.375 x 1.015 x .015 MTD-736-04259
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63
Washer, 1.375 x 1.015 x .01 MTD-736-04258
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63
Flat Washer, 1.375 x 1.015 x .005 MTD-736-04257
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64
Bushing, 1.25 x 1 x .005 x 1.5 MTD-941-04300
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65
KIT-SERVICE WHEEL SHAFT 611-04025 MTD-753-05574
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66
Hi-Pro Key, .250 x 1.8125 MTD-714-04014
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67
Gear-slow speed, wheel drive MTD-GW-1223
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68
Gear-fast speed, wheel drive MTD-GW-1232
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69
Dog Clutch-wheel drive MTD-GW-1237
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70
Pin-clutch guide, 1/4" diameter MTD-GW-1112
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ECCENTRIC SHAFT ASSEMBLY MTD-NA
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71
Pin-roll, 3/16" x 1-1/4" (spirol) MTD-1911372
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72
Wheel Speed Shifting Lever MTD-619-04000-0637
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73
Oil Seal, .625 x 1.0 MTD-921-04034
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74
PIN MTD-738-04448
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75
Eccentric Shaft-wheel speed shifting MTD-611-04003
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76
Spring-eccentric shaft MTD-GW-1441
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TRANSMISSION HOUSING MTD-NA
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78
Transmission Housing (Empty housing without covers, shafts, gears, seals, etc.) MTD-GW-2109099
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79
Pin-alignment MTD-GW-9359
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MISCELLANEOUS PARTS MTD-NA
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80
Bolt-hex hd., 1/2-13 x 2" Grade 5 MTD-1100067
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81
Washer-disc spring (concave), domed side faces bolt head MTD-GW-9928
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82
Post-with threaded hole for Ref. No. 80 MTD-GW-2126
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83
Plug-pipe, 1/4" MTD-1105620
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84
Plug-red plastic, thread protector MTD-GW-9122
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85
Clip-forward interlock system plug connector (See illustration) MTD-GW-9205
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86
Decal-forward interlock wire harness MTD-777I20944
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TRANSMISSION ASSEMBLY MTD-NA
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KIT-TLR TRANS PWR (Does NOT include Ref. 35-39. Does NOT include Shift Lever and Bracket Assemblies, Ref. 3, 4, 10, 15, 85, 86, etc.) MTD-753-05337
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MTD-NA
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