Illustrated Parts Manual
Printed In USA
33” Wide Cut Mower — Model TB WC33 XP
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Form No. 769-08481
(October 01, 2012)
To The Owner
Thank you for purchasing an MTD Wide Cut Mower. It was
carefully engineered to provide excellent performance when
properly operated and maintained.
All information in this manual is relative to the most recent
product information available at the time of printing. Please be
aware that this Illustrated Part’s Manual may cover a range of
product specifications for various models.
Table of Contents
Drive and Deck ........................................................ 4
Dash.......................................................................... 6
Record Product Information
To ease in ordering replacement parts, please locate the model
plate on the equipment and record the information in the
provided area to the right. You can locate the model plate by
looking beneath the seat.
Components listed and/or illustrated in this manual may not be
applicable to all models. We reserve the right to change product
specifications, designs and equipment without notice and
without incurring obligation.
Throughout this manual, all references to right (RH) and left (LH)
are observed from the operating position.
Model NuMber
Serial NuMber
Painted Parts
When ordering painted service parts, a four digit color suffix must be added to the part number (e.g. 783-XXXXX-0637).
Please refer to the table below for current color codes:
0637 Black
0709 Dark Green (Bolens, Yard-Man)
0662 Oyster Gray (MTD Gold)
0638 Red (Yard Machines, Huskee, Troy-Bilt, MTD)
0691 Black Jack (MTD Gold, MasterCut)
0674 Yellow (Yard-Man)
0650 Metallic Red (White Outdoor)
0629 Silver Flake (MTD Platinum)
04038 Day Orange (Daedong)
04033 Flint Mica (Troy-Bilt XP)
2
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11
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14
39
21
14
29
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40
28
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36
32
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23
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41
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37
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66
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48
27
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60
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61
49
10
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56
44
54
1
15
50
52
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67
68
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69
9
TB WC33 XP (12AE763Z)
4
TB WC33 XP (12AE763Z)
Ref.
Part Number Description
1 710-3005 Hex Head Cap Screw, 3/8-16 x 1.75
2 918-04 639 4 Speed Drive Assembly, Tecumseh
3 710- 0176 Hex Head Cap Screw, 5/16-18 x 2.75
4 710-0347 Hex Head Cap Screw, 3/8-16 x 1.75
5 710-0376 Hex Head Cap Screw, 5/16-18 x 1.00
6 710-04 669 Screw, 10-16 x 0.625
7 710-04377 HHCS, 7/16-20 x 2.75
8 710-0513 Hex Head Cap Screw, 1/4-28 x .625
9 710-0520 Hex Head Cap Screw, 3/8-16 x 1.50
10 710-3005 Hex Head Cap Screw, 3/8-16 x 1.25
11 710 -3015 Hex Head Cap Screw, 1/4-20 x .75
12 911-1000 Belt Keeper, .25 DIA X 3.0
13 712- 04063 Flangelock Nut, 5/16-18
14 712- 0 4 0 6 4 Flangelock Nut, 1/4-20
15 712- 04065 Flangelock Nut, 3/8-16
16 712- 070 0 Flange Nut, 9/16-18
17 914-0145 Click Pin, .092 x 1.64 LG
18 718-04407 Spline Pulley Hub, 5/8
19 720 -04191 Grip, Red
20 731-05766 Trailshield, 8.35 x 19.17
21 732-04409 Extension Spring, Wheel Drive
22 732-04443A Extension Spring, Brake
23 736 -0105 Washer, Spring, .401 x .870 x .063
24 736-0270 Washer, Bell, .265 x .75 x .062
25 736-0322 Washer, Flat, .450 x 1.250 x .164
26 736-04256 Washer, Flat, .39 x .87 x .06
27 918 - 04438C Drive Spindle Assembly
28 738- 04166 Spacer, Shoulder, .5000 x .1475
29 747- 04635A Belt Keeper Rod
30 747-05571 Coupling Link, 3/16
31 747- 04678A Brake Spring Mounting Rod
32 954-04145A V Belt. 4L 64.2
33 756 -0 4129B Idler Pulley, 4.25 DIA
34 756-04258 Flat Sheave, DIA 7.75
35 756 -04260 Engine Pulley, 3.20 x 4.35 DIA
36 756-04280A Idler Pulley, 3.50 DIA
37 787- 01469B Lower Shaft Lever
Ref.
Part Number Description
38 787-01470A Upper Shaft Lever
39 787- 01473A Belt Keeper, .375 x 2.00
40 787-0152 3A Wheel Drive Idler Bracket
41 918 - 04439 C Spacer Spindle Assembly
42 931-0424 4 Chute Deector Assembly
43 631-04252 Mulch Cover
44 987-02420 Idler Arm Assembly
45 687-02476 Deck Assembly
46 710 -1260A Screw, 5/16-18 x .750
47 710-0 451 Bolt, Carriage, 5/16-18 x .750
48 710- 0514 Hex Head Cap Screw, 3/8-16 x 1.00
49 710 -0560 Screw, Carriage, 3/8-16 x 1.75
50 710 -3184A Hex Head Cap Screw, 3/8-16 x 2.00
51 712- 0 417A Flange Nut, 5/8-18
52 912-3017 Hex Nut, 3/8-16
53 732- 04406 Extension Spring, Timing Belt
54 732-04452 Extension Spring, Deck Brake
55 938-0347 Shoulder Spacer, .625 ID x .169
56 738-04162C Shoulder Spacer, .8840 x .190
57 942-04154A 2 in 1 Blade
58 754 - 0 4136 Timing Belt, .315 x .787
59 954- 04139 Aramid V Belt, 72.2
60 756-04129B Idler Pulley, 4.25" DIA
61 756-0616 Idler Pulley, V-Type, 5.0 DIA
62 787- 014 40 Timing Idler Bracket
63 711- 04 027 Deector Pin
64 726-04009 Push Cap
65 732-04012 Deector Torsion Spring
66 787-01017A Deector Hinge Bracket
67 634-04285-0911 Wheel, 16 x 4 x 8
68 710- 05339 Screw, 5/16-24 x .750
69 750 -05516 Spacer, 1.0 x 1.28 x .31 (420CC)
70 912 - 0641 Nut, Hex, M16-1.5
71 921-04041 Water Nozzle Adaptor
72 736-0225 Washer, Lock, 5/8
73 737-04003D Deck Water Nozzle
— 977S30145 Danger Label (Not Shown)
5
TB WC33 XP (12AE763Z)
B
B
2
8
13
74
1
8
15
18
10
6
73
68
67
9
70
71
23
65
14
4
55
13
21
22
24
8
66
29
12
11
66
65
4
53
48
19
5
3
75
41
7
12
63
64
57
50
20
69
60
62
61
58
56
59
41
22
29
40
72
4
7
60
27 33
16
17
54
8
52
32
28
35
43
34
43
51
49
54
25
47
30
36
39
38
39
37
45
46
44
31
42
6
26
TB WC33 XP (12AE763Z)
Ref.
Part Number Description
1 687- 02614 RH Lever Assembly Bracket
2 687- 02615 LH Lever Assembly Bracket
3 710-0572 Screw, Carriage, 5/16-18 x 2.25
4 710-0599 Screw, 1/4-20 x 0.500
5 710-0606 Hex Screw, 1/4-20 x 1.50
6 710 -1237 Screw, #10-32 x 0.625
7 712-04063 Nut, Flangelock, 5/16-18
8 912-0442 Lock Nut Cap, 1/4-20
9 720- 0 4190 Grip, 1.0 ID x 5.0 LG
10 720-04072A Star Knob, 5/16-18
11 72 5- 0157 Cable Tie, 3/16 x .05 x 7.4
12 938 - 014 0 Screw, Shoulder, .435 x .178-5/16 x .56
13 938 -1226 Screw, Shoulder, .375 x 1.355 x 1/4-20
14 946-04604 Throttle/Choke Cable, 38.0 x 1.1 EXT
15 946-04606 RH Brake Cable, Tecumseh Trans.
16 946-04608 LH Brake Cable, Tecumseh Trans.
17 946-04609 Wheel Clutch Cable
18 946-04610 Deck Clutch Cable
19 749-04330 Lower Handle
20 749 -0 4331 Upper LH Handle
21 749 -04332 Upper RH Handle
22 749-04333 Adjustable Handle Brace
23 751B221535 Casing Clamp
24 787-01490A RH Cable Mount Bracket
— 787- 01491A LH Cable Mount Bracket
25 687- 02591 Frame Assembly
26 687-02265 Front Deck Lift Assembly
27 687-02419 Rear Deck Lift Assembly
28 710 -04312 Hex Screw, 5/16-18 x .50
29 710-06 04A Screw, 5/16-18 x 0.625
30 710-0627 Hex Screw, 5/16-24 x .750
31 914 - 0145 Click Pin, .092 x 1.64 LG
32 720 -0 4189 Grip Handle, 1/2
33 731-05791 Plastic Spacer, .63 ID x .75 LG
34 732- 04418A Deck Height Lever
35 736- 0242 Washer, Bell, .340 x .872 x .060
36 736-0343 Washer, Flat, .330 x 1.25 x .120
37 936-0351 Washer, Flat, .760 ID x 1.50 OD
38 937-3000 Drive Lube Fitting, 3/16
39 741- 0660A Flange Bearing, .760 x .941 x 1.0
40 787- 01496 Height Adjustment Bracket
Ref.
Part Number Description
41 787- 01507 Fuel Tank Mount Bracket
42 787-01510 Link Pivot Bracket
43 787- 01521 Lever Pivot Bracket
44 734- 04243 Caster, Wheel, 8 x 1.75
— 941- 0706 Bearing, Flange w/ftg
45 687-02263 Wheel Caster Bracket
46 712- 04 065 Nut, Flangelock, 3/8-16
47 738-04216A Bolt, Shoulder, .625 x 2.515 x 3/8-16
48 710 - 0136 Hex Screw, 1/4-20 x 1.75
49 710 -0896 Screw, 1/4-14 x 0.625
50 712-3 0 0 6 Nut, Hex, 1/4-20
51 931- 05684 Belt Cover
52 731- 05937A Handle Panel, Black
53 736-0270 Washer, Bell, .265 x .75 x .062
54 936-0463 Washer, Flat, .25 x .630 x .0515
55 787-01548 Hour Meter and Key Handle Panel
56 931-06935A Fuel Tank Cover
57 738- 04282 Screw, Shoulder, 1/4-20 x .32 x 1.8
58 951-12182 Fuel Cap
59 951-04322 Fuel Ta nk
60 710 -1315 Screw, 3/8-16 x 1.250
61 726-0205 Hose Clamp, .490 DIA.
62 751-10349 Fuel Hose, Low Permeation, 1/4
63 951-10517A Oil Drain
64 751-3141-14 Extension Hose
65 710-04666 Hex Head Flange, 1/4-20 x .75
66 710- 0642 Screw, 1/4-20 x 0.750
67 925-1707D Battery, 155 CCA WET
68 712-0271 Sems Nut, 1/4-20
69 712- 0 4 0 6 4 Nut, Flangelock, 1/4-20
70 925-04022B Hour Meter
71 925- 04228 Key Switch
72 725-04439 Solenoid, 12V, 100 AMP
73 747- 04657 Battery Hold Down Strap
74 925-1745A Key
75 787-02009 Plate, Shift
— 925-05266 Wiring Harness (Not Shown)
— 725- 04478 Starter Wire (Not Shown)
— 712-0266A Nut, Jamlock, 3/8-16 (Not Shown)
— 751-12089 -28 Vent Hose, 3/16 (not shown)
7
To order replacement parts or locate your nearest service dealer call a Customer Support at (800) 800-7310.
or visit www.mtdproducts.com to find the nearest authorized dealer in your area.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
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