For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21C-644A211 Bronco CRT Roto-Tiller (2008) Page 1 of 10
Drive System
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21C-644A211 Bronco CRT Roto-Tiller (2008) Page 2 of 10
Drive System
Ref # Part Number Qty DescriptionS/P/F
1 656-04023A Engine Pulley Bronco1
1 656-04005A Engine Pulley Super Bronco & Pro-Line1 /P
2 684-04168 Idler Pulley Assembly1
3 710-0151 Hex Screw,3/8 -24 x 21 /P
4 710-04484 Screw, 5/16-18 x .7501
5 710-0502A Screw, 3/8 -16 x 1.250 Bronco & Super
6 710-0538 Hex Screw, 5/16-18 x .6251 /P
7 710-0599 Screw, 1/4-20 x .5001 /P
8 710-0606 Hex Screw, 1/4-20 x 1.501 /P
9 710-0627 Hex Screw,5/16-24 x .7501 /P
10 710-0672 Hex Screw, 5/16-24 x 1.2501 /P
11 710-3008 Hex Screw, 5/16-18 x .751 /P
12 712-04064 Flange Lock Nut, 1/4-201 /P
13 714-0105 Key, 3/16 x 1.001 S
14 732-04085 Extension Spring, .480 x 5.001 /P
15 732-04276A Extension Spring1 /P
16 736-0343 Flat Washer, .330 x 1.25 x .1201 /P
17 736-04193 Belleville Washer, .827 x .331 x .0981 /P
18 736-0452 Belleville Washer, .396 x 1.140 x .0951 S
19 736-3092 Flat Washer, .265 x 1.0 x .0301 /P
20 738-0924A Shoulder Screw, 1/4-28 x .340 x .3351 /P
21 748-04087A Pivot Spacer1 /P
22 750-04571 Shoulder Spacer, .260 x .785 x .5381
23 750-04907 Pivot Spacer1
24 754-04090 Forward Drive Belt, 4 x 25.3751 S
25 754-04091 Reverse Drive Belt, 3 x 29.1251 S
26 756-04334 Engine Pulley1
27 756-0625 Cable Roller1
28 786-04312 Forward Idler Bracket1
29 786-04343 Motor Cover Plate1
30 786-04346 Reverse Idler Bracket1
31 786-04357 Bracket1
32 786-04367 Frame, Left1
33 786-04368 Frame, Right1
34 786-04371 Pulley Shield1
35 618-04597 Transmission Assembly1 S
36 721-04235 Rubber Oil Plug1
37 934-04453 Wheel, 11 x 4-4 Bronco1 /P
38 634-04232 Wheel, 13 x 5 x 6 Super Bronco & Pro-Line1 S
38 N/A Rim Assembly Not Shown1
38 734-04163 Tire, 13.0 x 5.0 x 6.0 Not Shown1 S
38 734-0255 Air Valve Not Shown1 S
39 714-0143 Klik Pin1 S
40 710-0395 Hex Screw, 5/16-18 x 2.251 /P
41 712-04063 Flange Lock Nut, 5/16-181 /P
42 726-0201 Speed Nut, .31251
43 749-04193 Bumper1 S
1 /P
Bronco
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21C-644A211 Bronco CRT Roto-Tiller (2008) Page 3 of 10
Handle, Tine Shields & Tines
www.mymowerparts.com
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