9
Part List:
Handle/Frame/
Ref
1
Part Number
710-0870
711-04362
711-04440
726-0299
732-04045
734-1987
734-1988
736-0232
738-0929
750-04129
750-04427
750-04428
787-01240
710-0191
Part Description
Hex Head Screw 3/8-16
Axle .50 x 3.8
Ref
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Part Number
732-0369
746-04052
746-04036
747-0976A
749-04183
749-04234
781-0741A
781-0742
Part Description
Compression Spring
Control Cable (Tecumseh)
Wheel Adjustment Cable
Blade Control
Wheel Assembly
2
Model 521
3
Axle .50 x 9.25
4
Push Cap 1/2” rod
Torsion Spring
5
Upper Handle
6
Wheel 8x1.8
Lower Handle
For parts and/or
accessories please call
1-330-220-4683, or
1-800-800-7310
7
Wheel 7x1.8
Depth Index Bracket
Depth Index Lever
Blade Plate Assembly
Hex Screw, 5/16-18
Self-tapping Screw, 1/4-20
Hex Screw, 5/8-18
Flange Nut, 5/8-18
Cotter Pin
8
Wave Washer
9
Shoulder Screw, 3/8-16
Spacer
687-02126
710-04389
710-0599
710-1143A
712-0417A
714-0104
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
www.mtdproducts.com
Spacer, .525 x .775 x .1125
Spacer, .525 x .775 x .3125
Wheel Bracket
Screw 3/8-24
710-0411
Screw 3/8-16
711-1017
Clevis Pin
710-0654A
712-04065
731-05063
736-0452
750-04142
756-04148
756-1150A
787-01304
710-0726
710-1174
Screw, 3/8-16
718-04012
731-04207
731-05064
732-04169
736-0342
736-04088
738-0706C
741-0524
Bearing Cup
Flange Lock Nut, 3/8-16
Debris Guard
Bearing Block
Blade Guard
Bell Washer, .396 x 1.140
Pulley Mount Spacer
Flat Idler Pulley, 2.5 OD
Combination Flywheel Pulley
Frame
Compression Spring
Flat Washer, .260 x.72
Flat Washer .635x1.24x.181
Shoulder Screw
Bearing, .625 ID x 1.57 OD
Spacer, .63 x 1.12 x 1.06
Spacer, .64 x.88 x .50
Belt
Hex Screw, 5/16-12
Carriage Bolt, 5/16-18
Rope Guide (Eye Bolt)
Hex Screw, 5/16-18
Lock Flange Nut, 5/16-18
Grip
750-04105
56 750-0547
754-04032B
756-0449
2
5
NOTE: Specifications are
subject to change without
notification or obligation.
Images my not reflect your
exact model and are for
reference purposes only.
26
27
710-1205
57
58
710-3180
712-04063
720-0142
720-0279
720-04072
Sheave
28
59 781-0080
Blade
29
30
31
60
61
781-0427
787-01075A
Belt Guard
Wing Nut
Hand Knob
Cover Plate
V-BELTS are specially designed to engage and
disengage safely. A substitute (non-OEM) V-Belt can
be dangerous by not disengaging completely.
†
Optional
15
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD 521, Troy-Bilt 521 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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