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Troy-Bilt 478-SUB OHV Engine

Model: 478-SUB Engine

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478-SUB Carburetor

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129
Stud M6-8×104 MTD-710-04963
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130
Carburetor Insulator Gasket MTD-951-11225
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131
Carburetor Insulator MTD-951-11222
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132
Carburetor Gasket MTD-951-11223
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133
Carburetor Assembly HY-178SA MTD-951-14024A
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133
Carburetor Assembly HY-178SC With crankcase vent tube MTD-951-05275
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134
PRIMER MTD-951-10639B
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135
Primer MTD-951-11824
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137
HEATER BOX MTD-951-11190
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138
CHOKE ASSEMBLY NLAUD MTD-951-11192
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139
Lock Washer MTD-736-04477
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140
Nut M6 MTD-712-05015
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145
Carburetor Kit (Incl. i,j,p,q,r,s,t,u,v,x,z) MTD-951-12762A
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a
Choke Shaft MTD-NA
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b
LOCK WASHER MTD-736-04638A
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c
Screw M3×6 MTD-710-05469
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d
Choke Plate MTD-NA
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e
Throttle Shaft MTD-NA
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f
Throttle Plate MTD-NA
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g
Gasket MTD-NA
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h
Throttle Shaft Cover MTD-NA
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i
Idle Jet Rivet MTD-NA
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j
Idle Jet Assembly MTD-NA
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k
Idle Speed Adjusting Screw MTD-NA
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l
Primer Pipe MTD-NA
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m
PRIMER HOSE MTD-751-11991A
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n
Hose Clamp MTD-951-11906
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o
Carburetor Body MTD-NA
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p
Float Pin MTD-NA
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q
Emulsion Tube MTD-NA
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r
Needle Valve MTD-NA
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s
Main Jet MTD-NA
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t
Needle Valve Spring MTD-NA
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u
Float MTD-NA
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v
Fuel Bowl Gasket MTD-951-11970
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w
Fuel Bowl MTD-NA
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x
FUEL BOWL GASKET MTD-951-11348A
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y
Fuel Bowl Mounting Bolt MTD-710-04945
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z
FUEL DRAIN PLUG GASKET MTD-951-11349A
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aa
FUEL DRAIN PLUG MTD-710-04938

478-SUB Crankcase

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40
Connecting Rod Assembly MTD-951-12066
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41
Piston MTD-951-12043
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42
PISTON PIN SNAP RING MTD-951-11632
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43
PISTON PIN MTD-951-12044
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44
Piston Ring Set MTD-951-12387
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48
Governor Gear MTD-951-12068
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49
BEARING MTD-951-12069
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50
Washer 8×20×0.8 MTD-736-04453
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51
Cotter Pin MTD-714-04077
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52
Governor Seal MTD-951-11958
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53
GOVERNOR ARM SHAFT MTD-951-12071
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54
Crankshaft Kit (Incl. 49,54,55,65,81) MTD-951-11229
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55
WOODRUFF KEY MTD-751P10307A
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56
Dowel Pin 9×12 MTD-715-04102
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57
DOWEL PIN 9 X 14 MTD-715-04096A
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58
Camshaft MTD-951-12072A
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59
Crankcase Cover Gasket MTD-951-11374
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60
WASHER MTD-736-04545
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61
Oil Fill Plug Assembly MTD-951-11283
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62
O-RING 15.8 x 2.5 MTD-951-11577
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64
CRANKCASE COVER MTD-951-12395
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64
Crankcase Cover Kit (Incl. 49,59,50,64-68) MTD-951-11228
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65
Oil Seal, 30×46×8 MTD-951-11372
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66
BOLT M8×38 MTD-710-06061
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67
SCREW M8-1.25 x 45 GR10.9 MTD-710-06062
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68
BOLT M8×35 MTD-710-06063
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69
Bolt M6×16 MTD-710-04968
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70
OIL TUBE SUPPORT BRACKET MTD-951-11320
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71
BOLT M6-1 x 8 GR8.8 MTD-710-05349
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73
O-RING MTD-951-11381
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74
Oil Fill Tube Assembly MTD-951-12073
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75
O-RING DIPSTICK MTD-951-11904
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76
Dipstick Assembly MTD-951-11971A
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77
Crankcase Kit (Incl. 49,52,77,81) MTD-951-11230
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77
Short Block Assembly (Incl. 40-44,48-68,77-81,103,106,107,109,111,124,130-132) MTD-951-11187
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78
OIL DRAIN PIPE MTD-951-11350A
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79
FLAT WASHER MTD-736-04440A
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80
Oil Drain Plug MTD-710-04906
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81
Oil Seal 30x46×8 MTD-951-11498
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142
Gasket Kit - Complete (Incl. 52,59,65,79,81,107,109,124,130-132) MTD-951-11209
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143
Gasket Kit - External (Incl. 79,109,124,130-132) MTD-951-11210
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144
COMPLETE ENGINE 277cc MTD-952Z678-SUA

478-SUB Cylinder Head

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101
Valve Kit MTD-951-11198
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103
TAPPET MTD-951-11962A
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104
Push Rod Kit MTD-951-11199
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105
Cylinder Head Kit (Incl.107,111,112,125) MTD-951-11226
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105
Cylinder Head Assembly (Incl.101,102,105,107,109-122,124,129-132) MTD-951-11188
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106
Dowel Pin 12×20 MTD-715-04097
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107
Gasket, Cylinder Head MTD-951-12076
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108
Spark Plug/F6Rtc MTD-951-10292A
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109
MUFFLER GASKET MTD-951-11212A
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110
Stud M8×48.5 MTD-710-04964
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110
Muffler Stud Assembly MTD-951-11207
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111
SCREW10-1.25 C 80 GR10.8 MTD-710-04973
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112
INTAKE VALVE SEAL MTD-951-11964A
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113
VALVE SPRING RETAINER MTD-951-12077A
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114
Valve Spring MTD-951-12078
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115
Valve Spring Retainer MTD-951-12080
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116
Exhaust Valve Adjuster MTD-951-12269
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117
PUSH ROD GUIDE MTD-951-11965B
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118
ROCKER ARM ASSEMBLY MTD-951-11981A
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119
Bolt, Pivot MTD-710-04962
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120
Rocker Arm MTD-951-11966
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121
Adjusting Nut ,Valve MTD-751-11123
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122
Nut, Pivot Locking MTD-751-11124
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123
Valve Cover Bolt MTD-710-05054
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124
Valve Cover Gasket MTD-951-11967
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125
Valve Cover MTD-951-11220
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126a
Breather Hose MTD-731-07059
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126b
Breather Hose Clamp MTD-726-04101
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127
CYLINDER BAFFLE MTD-951-11180
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128
Bolt M6×12 MTD-710-04915
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141
Valve Cover Kit MTD-951-11333
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142
Gasket Kit - Complete (Incl. 52,59,65,79,81,107,109,124,130-132) MTD-951-11209
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143
Gasket Kit - External (Incl. 79,109,124,130-132) MTD-951-11210
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144
COMPLETE ENGINE 277cc MTD-952Z678-SUA

478-SUB Fuel Tank & Mounting

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16
Fuel Cap Assembly MTD-951-12533
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17
Fuel Level Indicator MTD-951-11933
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18
Bolt M8×20 MTD-710-04970
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19
Bushing MTD-750-05312
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20
Bushing MTD-750-05313
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21
Fuel Tank Assembly MTD-951-11201
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22
FUEL TANK SHROUD MTD-951-11184
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23
FUEL TANK MOUNTING BRACKET MTD-951-11183
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24
ENGINE COVER MTD-951-12385
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25
Bolt M6×16 MTD-710-04968
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26
Bush MTD-736-04452
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27
Fuel Line Kit MTD-951-11200
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28
CARBURETOR HOSE CLAMP MTD-951-11700A
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29
Bolt M8×14 MTD-710-04921
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30
FUEL TANK MOUNTING BRACKET MTD-951-11182
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32
Nut M6 MTD-712-05015
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33
Governor Arm Bolt MTD-710-04908
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34
GOVERNOR LEVER MTD-951-14200
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35
Governor Spring MTD-951-11202
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36
Throttle Linkage Spring MTD-951-11203
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37
Throttle Linkage MTD-951-11204
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38
Primer Bracket MTD-951-11213
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39
Bolt, M6×12 MTD-710-04915

478-SUB Muffler & Controls

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1
Bolt, M6×12 MTD-710-04915
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2
Muffler Shield MTD-951-11194
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3
Bolt M6×12 MTD-710-04915
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4
THROTTLE LEVER KNOB MTD-751P10757A
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5
Control Panel MTD-951-11594
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7
Ignition Key MTD-951-10630
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8
Key Switch Assembly MTD-951-10637
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9
Choke Knob MTD-951-11302
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10
Bolt M6×10 MTD-710-04914
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11
Exhaust Pipe Shield MTD-951-11181
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12
Carb Isolator Bracket MTD-951-11227
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13
Bolt M6×16 MTD-710-04968
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14
Muffler Assembly MTD-951-11195
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15
Nut, M8 MTD-712-05015
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xx
WEATHER SHIELD MTD-751-19189

478-SUB Starting System & Blower Housing

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45
Bolt M4×55 MTD-710-04965
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46
Electric Starter MTD-951-11196
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47
Bolt M8×55 MTD-710-04967
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82
Ignition Module MTD-951-11197A
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83
Ignition Coil Bolt MTD-710-05350
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85
Alternator Assembly MTD-951-12553
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86
Bolt M6×30 MTD-710-04969
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87
Bolt M6×8 MTD-710-04966
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88
Wire Plate MTD-951-11186
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89
Flywheel MTD-951-12090
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90
Cooling Fan MTD-951-11217
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91
Starter Cup MTD-951-11218
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92
Nut, Special, M16×1.5 MTD-712-04220
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93
Bolt M6×16 MTD-710-04968
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94
Bolt M6×12 MTD-710-04915
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96
Blower Housing MTD-951-11379
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97
Recoil Starter MTD-951-11208
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98
FLAT WASHER MTD-736-04455B
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99
Bolt M6×10 MTD-710-04974
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xx
120V Plug Kit (not shown) MTD-951-05104
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