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Troy-Bilt 42051 9.5 hp 26" Snow Thrower

Model: 42051 9.5 HP 26"" Snowthrower

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Drive

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1
Hex Screw, 5/16-18 x 1.00 MTD-710-0376
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2
Briggs & Stratton Engine Purchase engine parts from the nearest authorized engine dealer. Refer to engine for type and code. MTD-NA
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3
Control Arm MTD-1745485
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4
LOCK WASHER 5/16 MTD-936-0119
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5
Shoulder Bolt, 3/8-16 x 1-1/2 MTD-1903416
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6
Square Key, 1/4 x 2-1/4 MTD-1187474
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7
Belt Guide MTD-1749177
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8
Bushing MTD-1917742
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12
Set Screw, 5/16-18 x 3/8 MTD-GW-9677
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13
Engine Sheave MTD-1917406
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14
V-Belt MTD-1751601
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15
Drive Support (Incl. Ref. 110) MTD-1760260
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17
Retaining Ring MTD-1118808
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18
Offset Link (Half Link) MTD-0182087
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19
Master Link for #41 Chain MTD-913-0723
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20
Final Drive Chain #40 (Requires Refs. 87 & 88) MTD-1739454
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21
Control Link MTD-1745437
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23
Flange Bushing MTD-1714299
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24
NUT-HFLK 5/16-18 ZP MTD-712-04054
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25
Flange Lock Nut, 3/8-16 MTD-1186393
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26
Flange Bearing MTD-1739458
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27
Sprocket Assembly, 9T/17T MTD-1745498
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28
Cotter Pin, 3/32 x .75 MTD-914-0507
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30
Support Plate MTD-1739497
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31
Sprocket, 30T (see Ref. 99) MTD-NA
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32
Drive Chain (Requires Refs. 18 and 19) MTD-1745880
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33
Drive Chain (Requires Refs. 18 and 19) MTD-1745879
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36
Compression Spring MTD-1741647
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37
Axle Shaft MTD-1746744
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38
SCREW 5/16-18 x 1.75 GR5 MTD-710-3180
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43
Flange Bushing, 7/8 MTD-1739471
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44
Lock Nut, 5/16-18 MTD-1732499
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45
Hex Shaft MTD-1916885
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46
Shaft Support MTD-1745860
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48
Hex Cap Screw, 5/16-18 x 3/4 MTD-1100044
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49
Flat Washer MTD-GW-9929
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50
Wheel Drive Sheave MTD-1745488
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51
BEARING MTD-941-3006
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52
Screw, Hex Head, 3/8-16 x 3-1/4 MTD-1911403
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53
Drive Disc Support MTD-1754302
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54
Woodruff Key, 3/16 x 5/8 MTD-1185885
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55
Spindle MTD-1745535
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56
Drive Plate MTD-1720918
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57
Hex Head Screw, 5/16-24 x 1 MTD-1100005
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58
Shim MTD-1718781
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59
Bearing Retainer MTD-1739488
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60
Flat Washer, 7/8 MTD-1740002
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61
Connecting Link MTD-1760252
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62
Bearing Retainer MTD-1739485
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63
Snap Ring MTD-1736561
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64
Bearing Flange MTD-1720811
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65
Ball Bearing MTD-1741733
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66
Flange Screw, 5/16-18 x 1/2 MTD-1186327
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67
Friction Disc Hub MTD-1739490
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68
Drive Pin, 3/16 x 1-1/2 MTD-1185376
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69
Woodruff Key MTD-9361
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70
Molded Friction Disc MTD-1720859
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72
Special Washer MTD-1709224
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73
Bearing Flange Assembly MTD-1720810
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74
HEX NUT MTD-712-0161
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75
Sprocket Assembly, 9T/30T MTD-1745497
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76
Jam Nut, 1/2-13 MTD-1185496
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77
Drive Pin MTD-1758305
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78
Spacer MTD-1739476
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80
Ball Bearing MTD-1185808
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81
Sprocket, 9T MTD-1745495
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82
Nylon Bushing MTD-1714233
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83
Flat Washer,.632 ID,.943 OD MTD-736-0302
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84
Washer, Flat, .65 x 1.25 x .075 MTD-736-0237
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85
Spacer MTD-1745489
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86
Bearing Retainer MTD-1745490
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87
Connecting Link MTD-1185026
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88
Offset Link (Half Link) MTD-1120213
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91
D-Hole Drive Washer MTD-1756230
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93
Disc Spring MTD-1746743
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94
Dust Cap MTD-1756231
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95
Friction Disc MTD-1746739
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96
Flange & Axle Tube Assembly MTD-1758300
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97
Lug Bolt MTD-1716223
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99
Differential Assembly (Incl. one Ref. 31 and four ea. Refs. 44, 100, 102) MTD-1758898
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100
Hex Hd. Bolt, 5/16-18 x 4-1/2 (see Ref. 99) MTD-NA
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101
Nylon Bushing MTD-1745883
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102
Spacer (see Ref. 99) MTD-NA
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103
Axle Shaft MTD-1758302
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104
Hex Head Screw, 3/8-16 x 8-1/2 MTD-1754303
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107
HEX NUT MTD-712-0206
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108
Tubular Spacer MTD-1754301
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110
Flange Bearing MTD-1739460
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111
Speed Control Arm MTD-1760218
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112
Frame MTD-1918852010
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113
Wheel & Tire Assembly MTD-1757886
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114
Wheel & Tire Assembly MTD-1757880
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203
NUT-5/16X 24 MTD-912-3057
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204
Hex Hd. Cap Screw, 5/16-24 x 4-1/2 MTD-1916959
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205
FLAT WASHER .385X.870X.090 MTD-736-0262
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MTD-NA

Gear Case

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1
Oil Seal MTD-1185224
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2
Needle Bearing MTD-741-0665
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3
Thrust Race MTD-1185841
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4
Thrust Bearing, .75 x 1.25 x .078 MTD-IH-324105-R92
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5
Impeller Shaft MTD-1739790
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6
Washer MTD-1185842
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7
Internal Retaining Ring MTD-1118726
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8
SEAL MTD-721-0175
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9
Flanged Cover MTD-1773170001
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11
Gear Case MTD-1735894001
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12
Hex Head Screw, 1/4-20 x .625 MTD-710-0433
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13
Lock Washer MTD-936-0329
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14
Flange Bearing MTD-1185728
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15
WASHER 1.010X1.560X.060 MTD-736-0745
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16
Worm Gear, 20T MTD-1720933
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17
Spacer MTD-1720763
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18
Woodruff Key, 1/4 x 7/8 MTD-1100276
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19
Spacer MTD-1741774
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20
Square Head Plug, 1/4-18 NPT MTD-1105620
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22
Sealant Item not included with unit. Order separately. Use General Electric SILMATE #RTV 1473 or equivalent. Obtain locally. MTD-NA
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23
Auger Shaft For Model 42051 MTD-1720894
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Auger Shaft For Model 42052 MTD-1916963
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24
Thrust Race MTD-1185840
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25
Spacer MTD-1741775
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26
Welch Plug MTD-1112634
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27
Needle Bearing MTD-1185568
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101
Gear Lube, EP 90, 8 oz. Item not included with unit. Order separately. MTD-1700182

General Assembly

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1
SCREW 5/16-18 MTD-710-04043
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2
Retainer, 3/8 MTD-1185403
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3
Knob MTD-1757843
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4
Washer, Plain (flat) 3/8, S.A.E. MTD-736-3050
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5
Grip MTD-1737499
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6
Flange Nut, 3/8-16 MTD-1185984
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7
Roll Pin, 1/8 x 3/4 MTD-1177625
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9
Swivel Block MTD-1714782
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10
NUT-HFLK 5/16-18 ZP MTD-712-04054
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11
Crank Support MTD-1754424
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12
Chute Control Shaft MTD-1756141
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13
Gear Support MTD-1735869
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14
Hex Head Cap Screw, 5/16-18 x 3/4 MTD-1100044
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15
Worm Gear MTD-1724870
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16
Drive Pin, 3/32 x 3/4 MTD-1724885
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17
FLAT WASHER .385X.870X.090 MTD-736-0262
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18
Collector Housing Assembly (Incl. Ref. 19); For Model 42051 MTD-1774145
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Collector Housing Assembly (Incl. Ref. 19); For Model 42052 MTD-1917463
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19
Warning Decal MTD-1750691
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20
Hex Lock Nut, 1/4-20 MTD-712-0291
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21
Screw, Carriage, 3/8-16 x .75 MTD-710-0389
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22
Chute Control Crank MTD-1757836
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23
Impeller Fan MTD-1745799001
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24
Hy Pro Key, 3/16 x 3/4 MTD-1200033
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25
Spring Spiral Pin, .25 x 1.25 MTD-715-0143
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26
Grease Fitting MTD-1185803
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27
Shear Bolt Kit (Incl. one ea. shear bolt and Ref. 58 lock nut) MTD-1735625
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28
26" Auger, R.H. For Model 42051 MTD-1918439001
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30" Auger, R.H. For Model 42052 MTD-1918443001
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29
Special Washer, 1-1/64 MTD-1185816
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30
HEX SCREW 3/8-16 X .75 MTD-710-0216
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31
26" Auger, L.H. For Model 42051 MTD-1918438001
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30" Auger, L.H. For Model 42052 MTD-1918442001
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32
Carriage Bolt, 5/16-18 x 3/4 MTD-1186098
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33
Scraper Blade For Model 42051 MTD-1758136001
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Scraper Blade For Model 42052 MTD-1916971001
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34
RUNNER (42010) MTD-1728567001
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35
Hex Lock Nut, 3/8-16 MTD-712-3000
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36
Hex Head Cap Screw, 1/4-20 x 5/8 MTD-1111599
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37
Hex Head Cap Screw, 1/2-13 x 3/4 MTD-1100053
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38
Lock Washer, 1/2 MTD-736-0921
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39
Flat Washer, 1/2 MTD-1100257
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40
Flange Bearing MTD-1185846
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41
Bearing Support MTD-1720922
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42
Flange Bolt, 3/8-16 x 1/2 MTD-1185798
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43
V-Belt For Model 42051 MTD-1772310
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V-Belt For Model 42052 MTD-1772310
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44
SHEAVE-AUGER For Model 42051 MTD-1725282
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Auger Sheave For Model 42052 MTD-1917403
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45
Carriage Bolt, 5/16-18 x .62 MTD-710-0260A
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46
Ball Bearing MTD-1741640
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47
HEX NUT MTD-712-0161
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48
Flat Washer, #10 MTD-1103959
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49
HOLD-DOWN NYLON CLIP MTD-1724869099
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50
Sems Screw, #10-24 x 7/8 MTD-1752461
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51
Chute Control Support MTD-1757840010
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52
Chute Crank Rod MTD-1757824
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53
Warning Decal MTD-1750692
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54
LEVER-ADJUSTING PN MTD-1723643001
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56
Cotter Pin MTD-714-0111
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57
Truss-Head Bolt, #10-24 x 3/8 MTD-1737940
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58
Lock Nut, 5/16-18 MTD-1732499
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59
Flange Bearing MTD-1185838
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60
Set Screw, 5/16-18 x 3/4 MTD-1737419
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61
Shim MTD-1752460
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62
Nylon Bushing MTD-1714243
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63
Nylon Washer MTD-1737957
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64
Housing Support MTD-1754572001
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65
Sleeve MTD-1753357
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66
Discharge Chute Assembly MTD-1771718010
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67
Discharge Cap (Incl. Ref. 53) MTD-1759140
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68
Button Plug MTD-1750969
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69
Spun Silver Inlay MTD-1758058
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70
Flat Washer, .385 x .62 x .063 MTD-736-0140
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71
Housing Logo Decal MTD-1918881
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72
Gear Case Assembly For Model 42051 MTD-1739793
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Gear Case Assembly For Model 42052 MTD-1916969
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73
Drift Slicer (complete kit) Drift Slicers are an optional item for Model 42051. MTD-10771
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74
Auger Width Decal For Model 42051 MTD-1918899
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Auger Width Decal For Model 42052 MTD-1918900
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76
Chute Deflector MTD-1771274
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106
Loctite 242, 0.02 oz. Tube Item not included with unit. Order separately. MTD-GW-97092

Handlebar

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1
Handlebars Grip MTD-720-04083
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3
Idler Arm MTD-1739937
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4
Hex Lock Nut, 3/8-16 MTD-712-3000
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5
Hex Lock Nut, 1/4-20 MTD-712-0291
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6
Left Control Handle MTD-1764738
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7
Fillister-Head Bolt, 5/16-18 x 1 MTD-1765534
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8
LOCK WASHER 5/16 MTD-936-0119
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9
PUSH NUT MTD-726-0106
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10
Wheel Drive Clutch Rod MTD-1764741
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11
Back Plate MTD-1760258010
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12
Left Handlebar MTD-1757831010
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13
Hex Hd. Screw, 5/16-18 x 3/4 MTD-1100044
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14
FLAT WASHER .385X.870X.090 MTD-736-0262
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15
Belt Cover MTD-1740030
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16
Bushing MTD-1715716
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17
Hex Cent. L-Nut 3/8-16 Thd. MTD-712-0375
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18
Extension Spring MTD-1740011
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19
Idler Pulley MTD-1729440
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20
Flange Screw, 5/16-18 x 1-3/4 MTD-1186334
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21
Idler Arm MTD-1739935
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22
SCREW 5/16-18 MTD-710-04043
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23
Control Arm MTD-1757841
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25
Bottom Cover MTD-1739838010
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26
Flange Screw, 3/8-16 x 3/4 MTD-1186345
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27
Right Control Handle MTD-1764739
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29
HEX NUT 3/8-16 GR5 MTD-712-3017
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30
Right Handlebar MTD-1757832010
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31
Control Bracket MTD-1760196
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32
Control Arm MTD-1739932
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33
Jam Nut, 5/16-18 MTD-712-3007
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34
Flat Washer MTD-GW-20546
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35
Bowed Washer MTD-1706782
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36
S-Hook MTD-1740989
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37
Cotter Pin, 3/32 x 1 MTD-1100356
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38
Cross Member MTD-1739756
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39
Flange Nut, 3/8-16 MTD-1186393
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40
Hex Cap Screw, 1/4-20 x .75 MTD-710-3015
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41
PIN-ROLL .125X.75 ZP MTD-1743493
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42
Lower Control Rod MTD-1760253
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43
Compression Spring MTD-1713167
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44
Upper Control Rod MTD-1760254
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45
Wiring Harness MTD-1918905
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46
Support Assembly MTD-1754272
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48
BLOCK-SWIVEL MTD-1727053
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49
Hex Nut, 1/4-20 MTD-1186229
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50
Auger Control Rod MTD-1764743
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52
7" CABLE TIE MTD-725-0157
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53
Shift Control Arm MTD-1760255
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54
Knob MTD-1757842
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55
Brake Arm MTD-1739941
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56
Extension Spring MTD-1765535
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57
Flat Washer,.510 x 1.00 MTD-736-0326
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58
Extension Spring MTD-1740990
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61
Flange Screw, 5/16-18 x 1/2 MTD-1186327
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62
Screw-Hex 3/8-16 X MTD-710-0347
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63
Hex Hd. Cap Screw, 1/4-20 x 1 MTD-1772011
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64
Logo Decal MTD-1918881
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65
Thread-Forming Screw, 1/4-20 x 5/8 MTD-1754128
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67
Wear Button MTD-1750796
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68
SCREW 5/16-18 x .750 MTD-710-1260A
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69
Console (Incl. Ref. 71) MTD-1918476
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70
Flip Grommet MTD-1185585
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71
Instructions Decal MTD-1917457
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72
UNKNOWN MTD-NA
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74
Shift Quadrant MTD-1764711
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76
S-Hook MTD-1742250
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77
Click Pin MTD-714-0145
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78
Hex Hd. Screw, 3/8-16 x 2, Grade 8 MTD-710-3096
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79
Pulley, Idler, 3.12 OD X .75 Wide For Model 42051 MTD-756-0225
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Idler Pulley For Model 42052 MTD-1916956
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81
Plastic Tubing MTD-1746607
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82
Flat Washer .271 ID x .630 OD MTD-736-3020
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83
CLIP-CORD MTD-1724879
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84
Bushing MTD-1773905
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85
Connector Body MTD-1748836
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86
Pop Rivet, 1/8 MTD-1186424
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87
Resistor MTD-1773904
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88
Clamp MTD-1746516
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90
Flat Spring MTD-1764733
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91
Flange Bearing MTD-1755779
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92
SCREW 1/4-20 X .625 MTD-710-0946
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95
Cotter Pin, 3/32 x .75 MTD-914-0507
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96
Shoulder Bolt MTD-1763219
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97
Adjusting Nut MTD-1764740
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98
Control Rod MTD-1764737
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99
Pin, Roll, 1/8 OD, .63 MTD-915-0138
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100
Nyliner Flange Bushing MTD-1715538
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102
Flange Bearing MTD-1714243
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103
PAINT-RED SPRAY 13OZ. Item not included with unit. Order separately. MTD-788-0638A
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104
PAINT-POWDER BLACK Item not included with unit. Order separately. MTD-788-0637A
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111
Speed Control Arm MTD-1760218
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112
Frame (See "Drive") MTD-NA
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113
Light Kit MTD-1918428
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Processing