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MTD 31550S (1985) Snow Thrower

Model: 31550S (1985)

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Parts

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1
Engine MTD-NA
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2
Sq. Key 3/16" x 1.50" Lg. MTD-714-0133
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3
Engine Plate Ass'y. MTD-05872
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4
Extension Spring 3.97" Lg. MTD-932-0429A
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5
BRACKET-IDLR- MTD-05896
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6
Hex Bolt 3/8-24 x 1.25" Lg.* MTD-710-0191
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7
V"-Belt MTD-954-0256
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8
Hex Cap Screw 3/8-24 x 1.5 MTD-710-0459A
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9
Bell-Wash. .40" I.D. x .88" O.D. x .06 MTD-736-0105
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10
Spacer .38" I.D. x .62" O.D. x .75" Lg. MTD-711-0396
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11
Bearing .62" I.D. x 1.38" O.D. x .437" Thk. MTD-941-0155
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12
Cotter Pin 3132" Dia. x .75" Lg.* MTD-714-0507
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13
FLAT WASHER .510 x .995 MTD-736-0272
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14
Frame Ass'y. MTD-05874
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15
Hx Wash Hd. Scr. 3/8-16 x 1.25" MTD-710-0502A
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16
Shaft .50" Dia. x 9.50" Lg. MTD-738-0497
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17
Hex Wash. Hd. Self-Tap Scr. 1/4-20 x .50" Lg. MTD-710-0599
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18
BRACKET-AX MTD-05897
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19
Hex L-Nut 1/4-20 Thd MTD-912-0107
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20
Drive Pulley Support Brk't. Ass 'y. MTD-05878
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21
Bell-Wash. .400" I.D. x 1.13" O.D. MTD-936-0219
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22
Extension Spring 3.97" Lg. MTD-932-0429A
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23
L-Wash. 3/8" I.D. MTD-736-0169
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24
Hex Scr. 3/8-16 x 1.25" Lg. MTD-710-0723
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25
PULLEY-DRI (Incl. Ref. #11) MTD-05921
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26
Hex Jam Cent. L-Nut 5/8-18 Thd. MTD-712-0923
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27
Fl-Wash. .64" I.D. x .94" O.D. x .06 MTD-736-0116
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28
1/2" V-Pulley .625" I.D. x 7.50" O.D. MTD-756-0344
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29
Shld. Bolt .625" Dia. x .170" Lg. (3/8-16) MTD-738-0281
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30
BRACKET-BRAKE MTD-784-5061
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31
Jam Nut, 3/8-16 MTD-912-3008
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32
BRACKET-ID MTD-05895
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33
Brake Linkage Ass'y. MTD-05870
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34
Shld. Spacer .625" I.D. MTD-938-0347
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35
FLAT IDLER PULLEY-2 1/4 OD X MTD-756-0137
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36
V-Belt MTD-954-0257
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37
HEX SCREW MTD-710-0756
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38
Hex Ins. Jam L-Nut 3/8-24 Thd. MTD-712-0116
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39
Hex Cap Screw 3/8-24 x 1.5 MTD-710-0459A
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40
L-Wash. 3/8 I.D.* MTD-736-0169
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41
Fl-Wash. .40" I.D. x 1.25" O.D. MTD-736-0247
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42
PULLEY MTD-756-0421
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43
Shld. Scr. .498" x 3.0" Lg. MTD-738-0215A
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44
Hex Bolt 5/16-24 x 1" Lg. MTD-710-0888
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45
Lock Wash. 5/16" I.D. MTD-936-0119
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46
Shld. Spacer.320" I.D. MTD-748-0234
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47
Bell-Wash. .40" I.D. x .88" x .06 MTD-736-0105
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48
Hex Bolt 5/16-24 x .62" Lg.* MTD-710-0237
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49
Lock Wash. 5/16" I.D. MTD-936-0119
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50
Hex Wash. Hd. Self-Tap Scr. 1/4-20 x .50" Lg. MTD-710-0599
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51
Fl-Wash. .28" I.D. x .75" O.D. x .06 MTD-736-0173
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52
BELT COVER MTD-731-0642
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53
UNKNOWN MTD-NA
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54
Casing Clamp MTD-751B221535
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55
Hex Sems Scr. #10-32 x .62" Lg. MTD-710-0899A
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56
Hex Wash. Hd. Self-Tap Scr. 3/8-16 x .75" Lg. MTD-710-0623
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xx
Key (Not Shown) MTD-TC-35062

Snow

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1
GRIP ASSEMBLY- MTD-05988
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2
Grip MTD-720-04083
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3
LOCKOUT CABLE MTD-946-0367
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4
BEARING-FL MTD-741-0402
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5
Throttle Control Box Ass'y. MTD-831-0796A
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6
PLUG MTD-731-0496
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7
Hex Bolt 5/16-18 x 2.00" Lg. MTD-710-3103
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8
Hairpin Cotter MTD-714-0111
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9
Clutch Grip Ass'y. L.H. MTD-05987
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10
Shoulder Bolt .374 Dia. x 1.53" Lg. MTD-938-0560
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11
HANDLE-UPPER-LH MTD-749-0593
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12
Star Knob MTD-720-04072A
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13
Belleville Wash. 5/16" I.D. MTD-736-0242
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14
Push Nut 3/8 Rod MTD-726-0100
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15
Knob - Black MTD-920-0171
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16
Fl-Wash. .40 I.D. x .62 O.D. x .060 MTD-736-0140
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17
BOLT-EYE MTD-747-0416
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18
CRANK ASSEMBLY MTD-05981
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19
HEX NUT 5/16-18 MTD-712-3010
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20
Throttle Control Wire MTD-946-0502
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21
BUSHING .380 ID MTD-941-0475
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22
Shifting Rod MTD-747-0348
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23
LOWER HANDLE (LH) MTD-749-0343
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24
Extension Spring .75" O.D. x 5.0" Lg. MTD-732-0184
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25
Hex Ins. L-Nut 1/4-20 Thd. MTD-712-0324
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26
5HIFTING LINKAGE BRACKET MTD-05898
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27
Bellevi I le Wash. .40 I.D. x .88 O.D. x .060 MTD-736-0105
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28
Hex Bolt 3/8-16 x 2" Lg. (Gr. 5) MTD-710-3144
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29
Hex Wash. Hd. Self-Tap Scr. 3/8-16 x .75" Lg. MTD-710-0623
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30
Frame Cover MTD-05899
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31
Hex Wash. Hd. Self-Tap Scr. 1/4-20 x .50" Lg. MTD-710-0599
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32
Extension Spring .38" O.D. x 3.25" Lg. MTD-932-0320
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33
Jam Nut, 3/8-16 MTD-912-3008
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34
L-Wash. 3/8" l.D. MTD-736-0169
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35
BRACKET-AUG CLUTCH MTD-784-5050
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36
Shld. Bolt .625" Dia. x .170" Lg. (3/8-16) MTD-738-0281
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37
Extension Spring .73" O.D. x 4.31 0 Lg. MTD-932-0121
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38
Drive Pulley Support Brk't. Ass 'y. MTD-05878
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39
Cotter Pin 3/32" Dia. x .75" Lg.* MTD-714-0507
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40
BRACKET-DR MTD-05501
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41
ROD-VAR SP MTD-10080
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42
LOWER HANDLE (RH) MTD-749-0344
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43
SHOULDER NUT MTD-938-0561
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45
SHIFT HANDLE ASS'Y. MTD-05805
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46
Hex Ins. Jam L-Nut 3/8-24 Thd. MTD-712-0116
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47
Compression Spring .38" O.D. x .88" Lg. MTD-732-0193
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48
Bell-Wash. .40 I.D. x .88 O.D. x .060 MTD-736-0105
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49
Cotter Pin 3/32" Dia. x .75" Lg. MTD-714-0507
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50
HANDLE PANEL MTD-784-5006
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51
HANDLE-FOLDING-RH MTD-749-0594
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52
Bell-Wash. .400" I.D. x 1.13" O.D. MTD-936-0219
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54
Carriage Bolt 5/16-18 x 2.50" Lg. MTD-710-0572
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55
AUGER CHUTE CABLE 36" MTD-946-0435
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56
ADJUSTMENT FERRULE 1/4-20 x 1.00 MTD-711-0736
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57
Fl-Wash. .33n l.D. x .63" O.D. MTD-736-0264

Snow

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1
Frame Ass'y. MTD-05874
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2
Spacer.50" I.D. x .75" O.D. x .78" Lg. MTD-750-0499
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4
KEY-HI-PRO #4-3/32X5/8 DIA MTD-914-0129
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5
Friction Wheel Ass'y. MTD-05080AP
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6
HEX SHAFT MTD-738-0496
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7
PLATE ASSEMBLY MTD-05883
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8
Snap Ring 1.00" Dia. Shaft MTD-716-0102
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9
Fl-Wash 1.00" x 1.63" O.D. x .03 MTD-736-0163
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10
BRACKET AS MTD-05880
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12
#41 CHAIN 1/2" PITCH x 35 0 LINKS MTD-713-0285
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13
#41 MASTER LINK 1/2 PITCH TYPEII MTD-913-0723
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14
32 Teeth Sprocket Ass'y. MTD-713-0281
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15
FLANGE BEARING MTD-941-0225
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16
FLAT WASHER MTD-736-0290
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17
Hex Lock Bolt 5/16-18 x .62" Lg.* MTD-710-0538
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18
Cotter Pin 3/32" Dia. x .75" Lg.* MTD-714-0507
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20
Flange Brg. w/Flats .75" I.D. MTD-941-0490
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21
Fl-Wash. .34" I.D. x 1.12" O.D. x .125 MTD-736-0231
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25
Jam Nut, 3/8-16 MTD-912-3008
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26
L-Wash. 3/8" I.D. MTD-736-0169
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27
5HIFTING LINKAGE BRACKET MTD-05898
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29
Shld. Bolt .625" Dia. x .170" Lg. MTD-738-0281
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30
ADJUSTMENT FERRULE MTD-711-0628
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31
ROD-SHIFT MTD-747-0356
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32
Fl-Wash. .34" I.D. x .64" O.D. x .06 MTD-736-0264
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33
Cotter Pin 3132" Dia. x .75" Lg. MTD-714-0507
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34
RETAINING RING MTD-716-0397
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35
SPROCKET-7T MTD-713-0280
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36
Shaft .50" Dia. x 9.50" Lg. MTD-738-0497
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37
AXLE ASSEMBLY-WHEEL MTD-713-0323
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38
SCREW 5/16-24 x .500 MTD-710-0600
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39
CHAIN MTD-713-0287
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40
#420 MASTER LINK 1/2 PITCH TYPE II MTD-913-0154
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41
CENTER SPROCKET #41-8T MTD-748-0204
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42
Lock Wash. 5/16" I.D. MTD-936-0119
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43
Bearing MTD-931-0374
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44
FLANGE BEARING .630 ID MTD-748-0184
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45
Fl-Wash. .76" I.D. x 1.49 O.D. MTD-736-0188
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46
Wheel Ass'y. Comp. 13 x 5.0 MTD-734-1253
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xx
WHEEL RIM MTD-734-1118
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xx
TUBELESS TIRE-13 x 5.0-6 MTD-734-0298-0901
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47
TUBELESS VALVE MTD-934-0255
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48
Click Pin MTD-714-0143A
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49
Snap Ring .75 Dia. MTD-716-0101
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50
Hex Ins. L-Nut 1/2-20 Thd. MTD-712-0200A
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51
Fl-Wash. 1/2" I.D. x .93" O.D. MTD-736-0179
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52
Bell-Wash. .50 I.D. x 1.0 O.D. x .075 MTD-736-0253
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53
Sleeve Bearing .752" I.D. MTD-941-0401

Snow

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1
Top Chute Ass'y. MTD-05225
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2
Carriage Bolt 5/16-18 x 1.00" Lg.* MTD-710-0276
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3
Carriage Bolt 5/16-18 x.62 MTD-710-0260A
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4
Chute Ass'y. MTD-05996
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5
Cotter Pin MTD-714-0507
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6
Fl-Wash. .390 I.D. x 1.50" O.D. MTD-736-0234
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7
BUSHING-HEX MTD-741-0403
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8
Fl-Wash .385 I.D. x .62" O.D. MTD-736-0140
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9
CRANK ASSEMBLY MTD-05981
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10
Bearing Housing MTD-05931A
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11
BEARING-BA MTD-741-0310
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13
1/2" "V"-Pulley .625" I.D. x 7.50" O.D. MTD-756-0344
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14
#61 Hi-Pro Key 3/16 x 5/8 0 Dia. MTD-914-0388
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15
BOLT-AXLE MTD-738-0154
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16
Bell-Wash. .40" I.D. x .88" O.D. x .06 MTD-736-0105
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17
Lock Wash. 5/16" I.D. MTD-936-0119
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19
Blower Housing Ass'y. MTD-784-5024
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20
CARRIAGE BOLT 3/8-16 X .75 MTD-710-0389
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21
Skid Shoe MTD-784-5038B-0637
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22
Bell-Wash. 3/8 I.D. MTD-736-0105
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23
Jam Nut, 3/8-16 MTD-912-3008
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24
SHAVE PLATE MTD-05847
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25
Spring Pin Spiral 1/4" Dia. x 1.50" Lg. MTD-715-0114
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26
FAN ASSEMBLY-BLOW MTD-05865
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27
#9 Hi-Pro Key 3/16 x 3/4" Dia. MTD-714-0126
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28
Flange Brg. .75" I.D. x .88" O.D. x .62 MTD-741-0321
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29
Hex Ins. L-Nut 5/16-18 MTD-712-0429
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30
SPIRAL AXLE MTD-738-0488A
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31
Fl-Wash. .75" I.D. x 1.50" O.D. x .06 MTD-736-0188
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32
Plastic Bearing w/Flats MTD-941-0300
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33
Bearing Hsg.-Spiral Hsg. MTD-05845C-0637
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34
SCREW 5/16-24 x .500 MTD-710-0600
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35
Shear Bolt 5/16-18 x 1.5" Lg. MTD-710-0890A
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36
Spiral Ass'y. L.H. MTD-05923
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xx
Spiral Ass'y. R.H. (Not Shown) MTD-05924
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37
O-Ring-3/4" I.D. MTD-921-0176
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38
Bevel Gear Housing Lower Half MTD-717-0456
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39
Plastic Flange Brg. .755" I.D. MTD-741-0293
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40
BEVEL GEAR MTD-717-0457
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41
Hex Cent. L-Nut 5/16-24 Thd. MTD-712-0237
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42
Fl-Wash. .34" I.D. x .62" O.D. x .06 MTD-736-0264
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43
Pinion Gear MTD-948-0237
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44
Fl-Wash. .75" I.D. x 1.25" O.D. x .06 MTD-736-0287
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45
Flange Brg. .755" I.D. MTD-748-0171
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46
SLEEVE BEARING .752 ID MTD-748-0106
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47
AXLE-BLOWER MTD-738-0546
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48
Bevel Gear Housing Upper Half MTD-717-0455
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49
Screw, Hex MTD-710-0788
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50
HEX NUT 5/16-18 MTD-712-3010
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51
Bell-Wash. .34" I.D. x .88" O.D. MTD-736-0242
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52
Carriage Bolt 5/16-18 x.62 MTD-710-0260A
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53
Carriage Bolt 5/16-18 x.62 MTD-710-0260A
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54
Lock Wash. 5/16" I.D. MTD-936-0119
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55
HEX NUT 5/16-18 MTD-712-3010
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56
Drift Cutter MTD-790-00181-0637
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57
Star Knob MTD-720-04072A
...
58
Bell-Wash. .34" I.D. x .88" O.D. MTD-736-0242
...
59
Hex Cent. L.-Nut 5/16-18 Thd. MTD-912-0158
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60
Fl-Wash. .53" I.D. x 1.25" O.D. x .100 MTD-736-0179
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61
Hex L-Nut 1/4-20 Thd MTD-912-0107
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62
GUARD ASSEMBLY MTD-05783
...
63
Fl-Wash. .64" I.D. x .94" O.D. x .06 MTD-736-0116
...
64
Hex Jam Nut 5/8-18 Thd. MTD-712-0923
...
65
Fl-Wash. .344 I.D. x 1.125 O.D. MTD-736-0231
...
xx
Gear Box Complete MTD-717-0454
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