product name

Troy-Bilt 12064 Horse-OPC (7&8HP) Rototiller (S/N 120640100101-Up) Horse

Model: 511888

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POWER UNIT TRANSMISSION ASSEMBLIES

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1
HEX SCREW #10-32 MTD-710-04454
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2
KNOB - tines/P.T.O. 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
LABEL-TINES/PTO CL MTD-777I20945
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5
SCR-HFLK 3/8-16X1.50 MTD-1186349
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7
SCREW 5/16-18 MTD-710-04043
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9
WASHER - flat, 5/16",S.A.E. MTD-736-0567
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10
Clutch Bracket MTD-1900870001
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11
PIN - spring, 1/8" dia., retains castle nut to threaded stud MTD-GW-9362
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12
NUT MTD-NA
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12
NUT-HEX 1/2-20 CALL TECH. SERVICE DEPT. FOR TIGHTENING INSTRUCTIONS. MTD-9838
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13
WASHER- shoulder, 1/2" (shoulder faces disc washers) MTD-GW-9934
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14
WASHER- disc spring (concave surfaces face each other) MTD-GW-9932
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15
LEVER MTD-NA
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16
Power Unit Transmission Cover MTD-719-04015P
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16A
ASSM-TRANS COVER OPC COMPLETELY ASSEMBLED WITH NEUTRAL SPRING ASSEMBLY PARTS(REF.#'S 18,19,20, 21,22,23 AND 24) MTD-2566
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17
GASKET- transmission cover MTD-GW-1123
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18
Hex Screw, 5/16-18 x 1.00 MTD-710-0376
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19
HEX NUT 5/16-18 MTD-712-3010
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20
SPRING-REV PLUNGER ZP (REMOVE WITH CARE) MTD-1901439
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21
PLUNGER -neutral (REMOVE WITH CARE) REMOVE WITH CARE) INCLUDES #9504 CLIP RING(REF.#22) MTD-GW-1035
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22
RING-KLIP EXT .594 ID ZP MTD-1901440
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23
NUT-HFLK 3/8-16 MTD-1186393
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24
SCR 3/8-16X1.5 UNC-2AG MTD-1902004
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25
Tines/PTO Clutch Lever MTD-786-04002
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26
SCR-HH 1/4-20X.5 GR5 YEL MTD-9743
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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
Tines/PTO Clutch Shaft 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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32
SHIM - engine pulley, 1/16" thick MTD-736-04187
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33
Retaining Ring-external MTD-716-0101
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34
CLUTCH KIT MTD-1902404
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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
Support Washer MTD-GW-50027
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40
Hex Cap Screw, 1/4-20 x .75 MTD-710-3015
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41
Lock Washer MTD-936-0329
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42
Front Bearing Cap 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
BLADE:46":SIDE:HOP 532-405380 MTD-742-05107-4046
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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) MTD-941-0107
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47
KIT-WHEELDRIVE ROLL/WORM MTD-11601
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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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50
Spirol Pin, 1/4 x 2.0 MTD-715-0121
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51
PLUG-retaining, pinion bearing MTD-GW-1060A
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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 NOTE: ON RIGHT SIDE ONLY, ONE #1132-1 SHIM IS ALSO USED BETWEEN BEARING AND WASHER(REF.#'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
Washer, Flat, 1.015 x 1.234 x.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 and shaft (drives slow speed wheel gear) MTD-GW-1222
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57
External Retaining Ring, 1.387 ID MTD-716-04119
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58
Worm Gear MTD-GW-2656
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59
KEY-3/16" square x 5/8" Connects fast speed pinion gear to bronze worn gear MTD-GW-9300
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60
GEAR- fast speed pinion (drives fast speed wheel gear) MTD-GW-1233
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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
SHAFT - wheel, 15-5/8" INCLUDES #9357 KEY (REF.#66) AND TWO #9511 RETAINING RINGS(REF.#62) MTD-GW-1878
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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. Clutch drives either slow or fast wheel drive gears according to wheel speed shift lever gear selection MTD-GW-1237
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70
PIN - clutch guide, 1/4" diameter MTD-GW-1112
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71
Pin, Spring, 3/16 x 1.25 MTD-915-0246
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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
Wheel Speed Shifting Shaft MTD-611-04003
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76
SPRING - eccentric shaft MTD-GW-1441
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77
Support Washer MTD-736-04079
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78
Transmission Housing MTD-GW-2109099
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79
PIN -alignment (aligns power unit housing with tiller attachment housing) (ALIGNS POWER UNIT HOUSING WITH TILLER ATTACHMENT HOUSING) MTD-GW-9359
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80
SCR-HH 1/2-13X2.0 G5 ZP MTD-1100067
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81
WASHER-disc spring (concave). Dome side of washer faces bolt head MTD-GW-9928
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82
POST (TC) WITH THREADED HOLE FOR #9560 BOLT( REF.#80) MTD-2126
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83
PLUG-SQ HEAD 1/4-18 NPT MTD-1105620
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84
PLUG - red plastic, thread protector MTD-GW-9122
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85
CLIP-CONNECTOR (ALSO SEE PAGE 16) MTD-9205
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86
LABEL-FORWARD INTR MTD-777I20944
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OIL:TRANS:80W-90:1QT MTD-490-000-V045
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OIL-GEAR 1 QT 140WT MTD-GW-1901964
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