Troy Bilt Lawn Mower TB WC33 XP User Manual

Illustrated Parts Manual  
33” Wide Cut Mower — Model TB WC33 XP  
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019  
Printed In USA  
Form No. 769-08481  
(October 01, 2012)  
 
This page intentionally left blank.  
3
 
TB WC33 XP (12AE763Z)  
14  
14  
13  
12  
39  
21  
11  
14  
14  
29  
40  
28  
5
36  
12  
34  
16  
33  
4
32  
69  
15  
15  
59  
60  
19  
15  
35  
25  
5
7
8
24  
23  
61  
38  
4
27  
58  
18  
30  
22  
37  
13  
41  
48  
55  
17  
26  
36  
49  
62  
71  
73  
3
10  
56  
72  
70  
31  
2
1
44  
54  
13  
17  
6
50  
9
52  
20  
15  
68  
53  
67  
45  
47  
66  
63  
15  
15  
64  
42  
13  
65  
46  
57  
43  
64  
51  
4
 
TB WC33 XP (12AE763Z)  
Ref.  
Ref.  
Part Number  
Description  
Part Number  
Description  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
787-01470A  
787-01473A  
787-01523A  
918-04439C  
931-04244  
631-04252  
987-02420  
687-02476  
710-1260A  
710-0451  
Upper Shaft Lever  
1
710-3005  
Hex Head Cap Screw, 3/8-16 x 1.75  
4 Speed Drive Assembly, Tecumseh  
Hex Head Cap Screw, 5/16-18 x 2.75  
Hex Head Cap Screw, 3/8-16 x 1.75  
Hex Head Cap Screw, 5/16-18 x 1.00  
Screw, 10-16 x 0.625  
Belt Keeper, .375 x 2.00  
Wheel Drive Idler Bracket  
Spacer Spindle Assembly  
Chute Deflector Assembly  
Mulch Cover  
2
918-04639  
710-0176  
3
4
710-0347  
5
710-0376  
6
710-04669  
710-04377  
710-0513  
Idler Arm Assembly  
7
HHCS, 7/16-20 x 2.75  
Deck Assembly  
8
Hex Head Cap Screw, 1/4-28 x .625  
Hex Head Cap Screw, 3/8-16 x 1.50  
Hex Head Cap Screw, 3/8-16 x 1.25  
Hex Head Cap Screw, 1/4-20 x .75  
Belt Keeper, .25 DIA X 3.0  
Flangelock Nut, 5/16-18  
Flangelock Nut, 1/4-20  
Screw, 5/16-18 x .750  
Bolt, Carriage, 5/16-18 x .750  
Hex Head Cap Screw, 3/8-16 x 1.00  
Screw, Carriage, 3/8-16 x 1.75  
Hex Head Cap Screw, 3/8-16 x 2.00  
Flange Nut, 5/8-18  
9
710-0520  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
710-3005  
710-0514  
710-3015  
710-0560  
911-1000  
710-3184A  
712-0417A  
912-3017  
712-04063  
712-04064  
712-04065  
712-0700  
Hex Nut, 3/8-16  
Flangelock Nut, 3/8-16  
732-04406  
732-04452  
938-0347  
Extension Spring, Timing Belt  
Extension Spring, Deck Brake  
Shoulder Spacer, .625 ID x .169  
Shoulder Spacer, .8840 x .190  
2 in 1 Blade  
Flange Nut, 9/16-18  
914-0145  
Click Pin, .092 x 1.64 LG  
718-04407  
720-04191  
731-05766  
732-04409  
732-04443A  
736-0105  
Spline Pulley Hub, 5/8  
738-04162C  
942-04154A  
754-04136  
954-04139  
756-04129B  
756-0616  
Grip, Red  
Trailshield, 8.35 x 19.17  
Timing Belt, .315 x .787  
Aramid V Belt, 72.2  
Extension Spring, Wheel Drive  
Extension Spring, Brake  
Washer, Spring, .401 x .870 x .063  
Washer, Bell, .265 x .75 x .062  
Washer, Flat, .450 x 1.250 x .164  
Washer, Flat, .39 x .87 x .06  
Drive Spindle Assembly  
Spacer, Shoulder, .5000 x .1475  
Belt Keeper Rod  
Idler Pulley, 4.25" DIA  
Idler Pulley, V-Type, 5.0 DIA  
Timing Idler Bracket  
736-0270  
787-01440  
711- 04027  
726-04009  
732-04012  
787-01017A  
736-0322  
736-04256  
918-04438C  
738-04166  
747-04635A  
747-05571  
747-04678A  
954-04145A  
756-04129B  
756-04258  
756-04260  
756-04280A  
787-01469B  
Deflector Pin  
Push Cap  
Deflector Torsion Spring  
Deflector Hinge Bracket  
634-04285-0911 Wheel, 16 x 4 x 8  
Coupling Link, 3/16  
710-05339  
750-05516  
912-0641  
Screw, 5/16-24 x .750  
Spacer, 1.0 x 1.28 x .31 (420CC)  
Nut, Hex, M16-1.5  
Brake Spring Mounting Rod  
V Belt. 4L 64.2  
Idler Pulley, 4.25 DIA  
921-04041  
736-0225  
737-04003D  
977S30145  
Water Nozzle Adaptor  
Washer, Lock, 5/8  
Flat Sheave, DIA 7.75  
Engine Pulley, 3.20 x 4.35 DIA  
Idler Pulley, 3.50 DIA  
Deck Water Nozzle  
Danger Label (Not Shown)  
Lower Shaft Lever  
5
 
TB WC33 XP (12AE763Z)  
2
58  
8
13  
57  
9
74  
16  
4
17  
54  
70  
71  
1
14  
4
55  
50  
56  
13  
20  
8
53  
48  
8
15  
19  
3
5
59  
21  
52  
28  
24  
41  
18  
10  
32  
8
75  
66  
41  
22  
B
29  
40  
35  
29  
43  
72  
34  
4
43  
30  
36  
23  
22  
6
12  
69  
51  
7
11  
39  
49  
54  
63  
12  
38  
66  
60  
7
25  
39  
37  
65  
64  
73  
45  
60  
65  
46  
68  
62  
61  
27  
44  
67  
47  
33  
B
31  
26  
42  
6
 
TB WC33 XP (12AE763Z)  
Ref.  
Ref.  
Part Number  
Description  
Part Number  
Description  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
787-01507  
787-01510  
787-01521  
734-04243  
941-0706  
Fuel Tank Mount Bracket  
Link Pivot Bracket  
1
687-02614  
687-02615  
710-0572  
RH Lever Assembly Bracket  
LH Lever Assembly Bracket  
Screw, Carriage, 5/16-18 x 2.25  
Screw, 1/4-20 x 0.500  
2
Lever Pivot Bracket  
3
Caster, Wheel, 8 x 1.75  
Bearing, Flange w/ftg  
Wheel Caster Bracket  
Nut, Flangelock, 3/8-16  
Bolt, Shoulder, .625 x 2.515 x 3/8-16  
Hex Screw, 1/4-20 x 1.75  
Screw, 1/4-14 x 0.625  
Nut, Hex, 1/4-20  
4
710-0599  
5
710-0606  
710-1237  
Hex Screw, 1/4-20 x 1.50  
Screw, #10-32 x 0.625  
687-02263  
712-04065  
738-04216A  
710-0136  
6
7
712-04063  
912-0442  
Nut, Flangelock, 5/16-18  
Lock Nut Cap, 1/4-20  
8
9
720-04190  
720-04072A  
725-0157  
Grip, 1.0 ID x 5.0 LG  
710-0896  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
Star Knob, 5/16-18  
712-3006  
Cable Tie, 3/16 x .05 x 7.4  
Screw, Shoulder, .435 x .178-5/16 x .56  
Screw, Shoulder, .375 x 1.355 x 1/4-20  
Throttle/Choke Cable, 38.0 x 1.1 EXT  
RH Brake Cable, Tecumseh Trans.  
LH Brake Cable, Tecumseh Trans.  
Wheel Clutch Cable  
931-05684  
731-05937A  
736-0270  
Belt Cover  
938-0140  
Handle Panel, Black  
Washer, Bell, .265 x .75 x .062  
Washer, Flat, .25 x .630 x .0515  
Hour Meter and Key Handle Panel  
Fuel Tank Cover  
938-1226  
946-04604  
946-04606  
946-04608  
946-04609  
946-04610  
749-04330  
749-04331  
749-04332  
749-04333  
751B221535  
787-01490A  
787-01491A  
687-02591  
687-02265  
687-02419  
710-04312  
710-0604A  
710-0627  
936-0463  
787-01548  
931-06935A  
738-04282  
951-12182  
951-04322  
710-1315  
Screw, Shoulder, 1/4-20 x .32 x 1.8  
Fuel Cap  
Deck Clutch Cable  
Lower Handle  
Fuel Tank  
Upper LH Handle  
Screw, 3/8-16 x 1.250  
Hose Clamp, .490 DIA.  
Fuel Hose, Low Permeation, 1/4  
Oil Drain  
Upper RH Handle  
726-0205  
Adjustable Handle Brace  
Casing Clamp  
751-10349  
951-10517A  
751-3141-14  
710-04666  
710-0642  
RH Cable Mount Bracket  
LH Cable Mount Bracket  
Frame Assembly  
Extension Hose  
Hex Head Flange, 1/4-20 x .75  
Screw, 1/4-20 x 0.750  
Battery, 155 CCA WET  
Sems Nut, 1/4-20  
Front Deck Lift Assembly  
Rear Deck Lift Assembly  
Hex Screw, 5/16-18 x .50  
Screw, 5/16-18 x 0.625  
925-1707D  
712-0271  
712-04064  
925-04022B  
925-04228  
725-04439  
747-04657  
925-1745A  
787-02009  
925-05266  
725-04478  
712-0266A  
751-12089-28  
Nut, Flangelock, 1/4-20  
Hour Meter  
Hex Screw, 5/16-24 x .750  
Click Pin, .092 x 1.64 LG  
Grip Handle, 1/2  
Key Switch  
914-0145  
Solenoid, 12V, 100 AMP  
Battery Hold Down Strap  
Key  
720-04189  
731-05791  
732-04418A  
736-0242  
Plastic Spacer, .63 ID x .75 LG  
Deck Height Lever  
Plate, Shift  
Washer, Bell, .340 x .872 x .060  
Washer, Flat, .330 x 1.25 x .120  
Washer, Flat, .760 ID x 1.50 OD  
Drive Lube Fitting, 3/16  
Flange Bearing, .760 x .941 x 1.0  
Height Adjustment Bracket  
Wiring Harness (Not Shown)  
Starter Wire (Not Shown)  
Nut, Jamlock, 3/8-16 (Not Shown)  
Vent Hose, 3/16 (not shown)  
736-0343  
936-0351  
937-3000  
741-0660A  
787-01496  
7
 
To order replacement parts or locate your nearest service dealer call a Customer Support at (800) 800-7310.  
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019  
 

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