Troy-Bilt 521 Operator's Manual page 15

Models 521 and 721
9
10
4
1
7
5
10
1
2
4
5
8
3
2
6
7
4
9
6
10
8
4
7
3
Ref. No. Part No.
1. 710-0487
2.
710-1270
3. 712-0324
4. 720-0284
5. 720-0295
6. 725-0157
7. 736-0451
8.
746-0883
9. 747-0956
10. 749-0711A
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.
700-xxxx is painted powder black, the part number to
order would be 700-xxxx-0637.
Powder Black: 0637
Ref. No. Part No.
1. 710-04071
2. 710-0451
3. 710-3015
4. 712-3027
5. 712-3068
6. 720-0284
7. 731-0851A
8. 731-0915C
9. 731-0921
736-0159
10.
15
Description
Carriage Screw 5/16-18 x 2.0"
Machine Screw
Hex Lock Nut 1/4-20
Hand Knob w/ Wing Nut
Foam Grip
Cable Tie
Saddle Washer
Control Housing
Auger Bail
Upper Handle: Gull Wing
For instance, if a part numbered
MTD Red: 0638
Description
Carriage Bolt 5/16-18 x 1.0"
Carriage Bolt 5/16-18 x 0.750"
Hex Screw 1/4-20 x 0.75"
Lock Nut
Hex Lock Nut
Hand Knob
Flange Keeper: Chute
Lower Chute
Upper Chute
Washer