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Models521&721
Ref. No.
1.
2.
3.
4.
5,
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
Part No.
884-0174
684-0177
684-0178
731-04075
731-2569
710-0895
710-1003
710-1882
710-3083
Part Description
Upper Chute Crank Assemby
Lower Chute Crank Assembly
Bracket Assembly: Mitten Grip
Shroud (Model 521 )
Shroud (Model 721 )
TT Screw 1/4-15 x 0.75"
B Screw #10-16 x 0.625"
Hex FI. Screw 5/16-18 x 1.5"
Hex Bolt 5/16-18 x 1.375"
Ref. No.
31.
32.
33.
34.
35.
36.
37.
38.
39.
Part No.
710-0451
710-0642
710-0773
710-0896
710-1005
711-0848A
712-0116
712-3010
712-3027
Part Description
Carriage Bolt
TT Screw 1/4-20 x 0.75"
TT Screw 3/8-16 x 0.5"
AB Screw 1/4-14 x 0.625"
B Screw 1/4-14 x 0.5"
Axle Tube
Jam Lock Nut
Hex Nut 5/16-18
Lock Nut
712-0252 Jam Nut
712-0429 Lock Nut
712-3010 Hex Nut 5/16-18
714-0104 Cotter Pin
714-0507 Cotter Pin
720-0201A Knob: Chute Crank
725-0201 Ignition Key
40.
41.
42.
43.
44.
45.
46.
731-1033
732-0357A
736-0108
736-0119
736-0176
736-0242
736-0326
Shave Plate
Extension Spring
Flat Washer
Lock Washer
Flat Washer
Beleville Washer
Flat Washer
725-2018
726-0100
736-0119
736-0185
736-0225
736-0400
736-0451
7519636
684-0190
749-0711A
749-0796B
710-0167
710-0191
710-0323
710-0352
Switch: Electric Start Key
Push Cap
Lock Washer
Flat Washer
Internal Lock Washer
Flat Washer
Saddle Washer
Mitten Grip Handle
Spark Plug Access
Upper Handle: Gull Wing
Lower Handle
Carriage Screw 1/4-20 x 0.50"
Hex Bolt
Machine Screw
B Screw1/4-14 x 0.375"
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
736-0329
741-0475
741-0600
746-0910A
748-0234
756-0313
784-5174
784-5175B
784-5176
784-5485
784-5720
684-0196
734-1797
710-1090
Lock Washer
Plastic Bushing
Ball Bearing
Clutch Cable
Shoulder Spacer
Flat Idler
Bearing Cup
Bracket: Brake Idler
Belt Cover
Auger Assembly
Chute Crank Bracket
Auger Housing Assembly
Wheel Assembly
Hex FI. Screw 5/16-18 x 1.25"
NOTE: For painted parts, please refer to the list of color
codes below. Please add the applicable color code,
wherever needed, to the part number to order a
replacement part. For instance, if a part numbered 700-
xxxx is painted powder black, the part number to order
would be 700-xxxx-0637.
Powder Black: 0637
MTD Red: 0638
13
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