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product name

Troy-Bilt 21A-654J766 7hp Roto-Tiller (2004)

Model: 21A-654J766 7HP Roto-Tiller (2004)


product name

Drive System

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1
Bracket Assembly, Clutch MTD-686-04034

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2
Hex Head Screw, 5/16-24 x 1 MTD-710-0888

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3
Hex Screw, 5/16-18, 2.50, Gr5 MTD-710-0378

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4
Screw, Self-tapping, 1/4-20, 0.500 MTD-710-0599

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5
Hex Screw, 5/16-24, 1.50, Gr5 MTD-710-0624

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6
Screw, Self-tapping, 1/4-20, 0.750 MTD-710-0642

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7
Hex Screw, 3/8-16, 1.25, Gr5 MTD-710-0723

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8
Hex Screw, 3/8-24, 3.75, Gr5 MTD-710-0902

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9
SCREW 5/16-18 x .75 GR5 MTD-710-3008

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10
Hex Screw, 3/8-16, 2.00, Gr5 MTD-710-3144

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11
JAM LOCK NUT MTD-712-0266A

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12
Nut, Flange, 9/16-18, Gr2 MTD-712-0700

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13
Flange Nut, 7/16-20 MTD-912-0702

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14
Key, Sq,.1875 x 3.625 MTD-714-04032

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15
Cover, Belt MTD-731-04590

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16
Extension Spring, .38 x 3.25 MTD-932-0320

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17
EXTENSION SPRING MTD-732-0545

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18
LOCK WASHER 5/16 MTD-936-0119

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19
Washer, Flat,.375 x.738 x.063 MTD-736-0185

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20
Lock Washer MTD-936-0329

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21
Washer, Flat,.330 x 1.25 x.06, Ht MTD-736-0362

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22
Washer, Bell,.396 x 1.140 x.095 MTD-736-0452

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23
Washer, Flat,.260 x.720 x.060 MTD-736-3090

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24

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25
Keeper, Belt MTD-747-04191

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26
Spacer,.330 x 1.25 x 1.605 MTD-750-04221

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27
Spacer,.390 x.750 x.812 MTD-750-04223

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28
Spacer, 1.030 x 1.375 x.830 Lg MTD-750-04225

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29
Hub, Pulley, Input, 5/8 MTD-750-04258

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30
Hub, Pulley, Input, 1/2 MTD-750-04259

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31
Spacer,.330 x 1.250 x.845 MTD-750-04261

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32
Spacer.33 x 1.0 OD MTD-750-0943

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33
V - Belt MTD-954-0346


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35
V-BELT 4L x 25.475 LG MTD-954-04056

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36
FLAT IDLER PULLEY-2 1/4 OD X MTD-756-0137

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37
Pulley, Idler, Flat 1.88 OD MTD-756-0313

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38
V-Pulley, 3.5 OD MTD-956-0399

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39
Pulley, 3l, 3.088 Eff Dia MTD-756-04081

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40
Pulley, 4l, 5.0 Eff Dia MTD-756-04082

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41
Pulley, Engine, 3 Belt MTD-756-04090

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42
Keeper, Belt, Idler MTD-786-0149

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43
Frame, Engine MTD-786-04177

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44
Bracket, Clutch, Forward MTD-786-04178

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45
Cover, Bottom, Frame, Engine MTD-786-04180

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46
Bracket, Mounting, Cover, Belt MTD-786-04182

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47
Hex Screw, 5/16-18, 2.25, Gr5 MTD-710-0395

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48
Nut, Hex Lock, 5/16-18, Gr5, Nylon MTD-712-0429

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49
Nut, Speed,.3125 ID MTD-726-0201

Handlebar And Controls

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1
Bail Assembly, Control, Wheel MTD-647-04026

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2
Handle Assembly, Loop MTD-649-04014

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3
Lever Assembly, Control, Tine MTD-686-04038

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4
Lever Assembly, Pivot MTD-686-04040

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5
Hex Screw, 3/8-16,.75, Gr5 MTD-710-0216

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6
Screw, Carriage, 3/8-16, 6.00, Gr5 MTD-710-04198

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7
Screw, Machine, 1/4-20, 2.500 MTD-710-04202

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8
Hex Screw, 1/4-20, 2.0, Gr5 MTD-710-0501

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9
Hex Screw, 3/8-24, 1.75, Gr5 MTD-710-0539

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10
Screw, Machine, 1/4-20, 0.625 MTD-710-0946

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11
SCREW 1/4-20 x 6.00 GR5 MTD-710-1656

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12
Nut, Jam Lock, 3/8-24, Gr5, Nylon MTD-712-0116

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13
Nut, Hex Lock, 1/4-20, Gr8, Nylon MTD-712-0324

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14
Knob, Shift MTD-720-04039

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15
Cable, Tie, 3/16 x.05 x 7.4 MTD-725-0157

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16
Box, Control, Select, Tine MTD-731-04616

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17
Block, Mounting, Bail MTD-731-04644

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18
Spring, Compression,.39x.60 x.88 Lg MTD-732-0193

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19
DRIVE SPRING MTD-732-0590A

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20
Washer, Bell,.375 x.870 x.063 MTD-736-0105

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21
Washer, Lock, 3/8, Regular Duty MTD-736-0169

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22
Washer, Spring, .39 x .625 x .012 MTD-736-0413

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23
Washer, Flat,.406 x 1.00 x.105 MTD-736-3052

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25
Screw, Shoulder,.373 x.830, 1/4-20 MTD-738-04072

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26
Screw, Shoulder,.373 x.180 x 1/4-20 MTD-738-04088

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27
DETENT BALL .250 MTD-741-0862

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28
Cable, Clutch, Drive, Wheel MTD-746-04098

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29
Cable, Clutch, Drive, Tine MTD-746-04099

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30
Cable, Engagement, Tine MTD-746-04100

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31
Block, Control, Select, Tine MTD-746-04107

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32
Block, Control, Engage, Tine MTD-746-04108

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33
Spacer,.270 x.375 x 5.00 Lg MTD-750-04226

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34
Bracket, Mounting, Control MTD-786-04162

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35
Crank, Adjustment, Handle MTD-786-04199

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36
Bracket, Mounting, Control MTD-786-04212

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37
Lever, Shift MTD-786-04213

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38
Bracket, Pivot, Interlock MTD-786-04214

Tine Shield

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1
END COVER ASSEMBLY MTD-686-0044B

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2
SCREW 1/4-20 X1.00 GR5 MTD-710-0597

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3
Self-tapping Screw, 5/16-18 x .625 MTD-710-0604A

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4
Hex Screw, 5/16-18, 1.25, Gr5 MTD-710-0874

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5
SCREW 5/16-18 x .75 GR5 MTD-710-3008

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6
Nut, Hex Lock, 1/4-20, Gr8, Nylon MTD-712-0324

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7
Nut, Hex Lock, 5/16-18, Gr5, Nylon MTD-712-0429

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8
Pin, Spring, 1/4 Dia x 1.00 Lg MTD-715-0108

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9
PUSH NUT MTD-726-0106

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10
FLAT WASHER .345X1.0X.100 MTD-736-3089

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11
Hex Screw, 5/16-18 x .75 MTD-938-0849

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12
Rod, Tiller Flap MTD-747-0432

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13
Shield, Tine, Rear MTD-786-0113

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14
Bar, Depth MTD-786-04171

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15
Bar, Drag, Depth MTD-786-04172

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16
Shield, Tine MTD-786-04179

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17
Bracket, Shield, Tine MTD-786-04184

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18
Bracket, Mounting, Bar, Depth, LH MTD-786-04215

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19
Bracket, Mounting, Bar, Depth, RH MTD-786-04216

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20
Bracket, Deflector, LH MTD-786-04220

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21
Bracket, Deflector, RH MTD-786-04221

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22

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23
Torsion Spring MTD-732-04320

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24
Spacer,.350 x.268 x.375 MTD-GW-9534

Transmission

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1
Shaft Assembly, Detent MTD-611-04033

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2
Housing, Transmission MTD-619-04069

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3
Cover, Housing, Transmission MTD-619-04070

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4
Link Assembly, Shift MTD-686-04046

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5
Hex Screw, 5/16-18,.75, Gr5, Patch If loosened or removed, a sealant (Loctite Ultra Black(TM) Silicone 5900) must be applied to these screws before they can be reused without risking the loss of transmission oil. MTD-710-1880

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6
Screw, Machine, #10-24, 0.625 MTD-710-0425

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7
Hex Screw, 1/4-20,.75, Gr5 If loosened or removed, a sealant (Loctite Ultra Black(TM) Silicone 5900) must be applied to these screws before they can be reused without risking the loss of transmission oil. MTD-710-3015

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8
Flange Screw, 5/16-18,.625, Gr5 MTD-710-04049

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9
Flange Screw, 5/16-18, 1.0, Gr5 If loosened or removed, a sealant (Loctite Ultra Black(TM) Silicone 5900) must be applied to these screws before they can be reused without risking the loss of transmission oil. MTD-710-04048

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10
Shaft, Wheel,.750 Dia x 15.46 Lg MTD-711-04261

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11
Shaft, Tiller, Tine MTD-711-04263

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12
Shaft, Worm, Drive MTD-711-04178

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13
Shaft, Idler,.500 Dia x 1.823 Lg MTD-711-04177

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14
Shaft, Drive MTD-711-04168

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15
Nut, Hex Lock, #10-24, Gr2, Nylon MTD-712-0161

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16
Dowel Pin MTD-915-0221

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17
Ring, Retaining, External, 1.188 Dia Shaft MTD-716-04026

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18
Ring, Retaining, Int, 1.25 Dia Bore MTD-716-04027

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19
Ring, Snap,.500 MTD-716-0865

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20
Gear, Spur, 30t MTD-717-04088

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21
Gear, Spur, 34t MTD-717-04084

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22
Gear, Spur, 10t MTD-717-04083

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Gear, Spur, 13t MTD-717-04087

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24
Gear, Worm, 30t MTD-717-04093

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25
Gear, Worm, 40t MTD-717-04090

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26
Collar, Clutch MTD-718-04074

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27
Cover, Bearing, Rear MTD-718-04065

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28
Bearing Cover MTD-918-04435

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30
OIL SEAL -.375 ID MTD-721-0212

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31
Seal, Oil,.750 Shaft x 1.125 Bore MTD-721-04073

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33
O-Ring, 1/4 x 3/8 x.07 MTD-721-04069

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34
Seal,.750 Shaft x1.783 Bore x.375 MTD-721-04065

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35
Seal,.563 Shaft x 1.25 Bore x.25 MTD-721-04064

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36
Seal,Oil 1.00 Shft X 1.500 Bore MTD-921-04036

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37
Washer, Flat,.751 x.975 x.01 MTD-736-04153

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38
LOCK WASHER 5/16 MTD-936-0119

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39
THRUST WASHER Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-936-0492

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THRUST WASHER-.630 x 1.125 MTD-936-0419

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41
Flat Washer, .344 x .750 x .120 These washers are found only on replacement transmissions. Remove and discard the washers when mounting the transmission to the tiller's tine shield bracket. MTD-936-3008

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42
Washer, Flat,.5685 x.875 x.04 MTD-736-04102

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43
THRUST WASHER MTD-736-0495

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Washer, Thrust,.750 x 1.250 x.0615 MTD-736-0617

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45
Grease, Seal MTD-737-0356

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46
Oil, 85w 140 MTD-737-0353

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47
Bearing, Hub MTD-741-04077

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48
Bearing, 9/16 x 1.25 x.650 Lg MTD-741-04075

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49
Bearing, Sleeve,.627 x.81 x.80 MTD-741-0973

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50
Flange Bearing, 5/8 x 3/4 x 3/4 MTD-941-0336

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51
Bearing, Sleeve,.503 x.626 x.600 MTD-741-0678

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52
THRUST BEARING MTD-741-0469

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53
SLEEVE BEARING .75X1.00X1.00 MTD-741-05060

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54
Retaining Ring MTD-716-04104

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55
COVER-TRANS REAR MTD-1916109001

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56
Bushing, 1.25 x 1 x .005 x 1.5 MTD-941-04300

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57
Flat Washer, 1/234 x 1.015 x .062 MTD-736-04310

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58
Washer, Flat, 1.015 x 1.234 x.010 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-GW-1132-3

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59
Washer, 1.375 x 1.015 x .062 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04309

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Washer, 1.375 x 1.015 x .03 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04260

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61
Washer, 1.375 x 1.015 x .015 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04259

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Washer, 1.375 x 1.015 x .01 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04258

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63
Flat Washer, 1.375 x 1.015 x .005 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04257

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64
Washer, Flat, 1.50 x 1.75 x .010 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04308

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65
Washer, Flat, 1.50 x 1.75 x .03 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04307

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66
Washer, Flat, 1.50 x 1.75 x .005 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04306

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Washer, Flat, 1.50 x 1.75 x .062 Shims used "As Required" to obtain between .005" and .015" allowable end-play MTD-736-04305

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68
Gear Housing Gasket MTD-921-04229

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69
Cup Bearing MTD-941-04299

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70
Cone Bearing MTD-941-04298

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71
Retaining Ring, Int MTD-716-04102

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72
Pipe Plug MTD-737-04202

Wheels And Tines

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1
Adapter Assembly, Tine MTD-642-04015

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2
Nut, 3/8-24, Hex, Lock MTD-712-3054

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3
Washer, Lock, 3/8, Regular Duty MTD-736-0169

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4
Washer, Flat,.51 x 1.5 x.07 MTD-736-0208

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5
Washer, Bell,.525 x 1.00 x.050 MTD-736-0253

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6
SHOULDER SCREW MTD-938-0688

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7
SHOULDER SCREW MTD-938-0689

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8
ARTICULATING TINE MTD-742-0305A-0637

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9
Transmission Assembly, Dual Direction MTD-618-04120

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10
Screw, Machine, #10-24, 1.00, Gr5 MTD-710-1194

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11
Nut, Hex Lock, #10-24, Gr2, Nylon MTD-712-0161

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12
Cable, Shift, Wheel MTD-746-04150

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13
WHEEL ASSEMBLY (14 x 4.5X 6) (RH) (GREY) MTD-634-0240

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14
WHEEL ASSEMBLY (14 x 4.5X 6) (LH) (GREY) MTD-634-0241

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15
Pin, Clevis,.250 x 1.53 MTD-711-1017

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16
Pin, Cotter,.072 Dia. x 1.13 Lg MTD-714-0104

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17
Internal Cotter Pin MTD-714-0149B

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18
Pin, Clevis, 3/8, 1.75 MTD-711-0415
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