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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 1 of 10
Drive System
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 2 of 10
Drive System
Ref # Part Number Qty DescriptionS/P/F
1 684-04168 Idler Pulley Assembly, 1.917 OD1
2 710-0170 Hex Head Screw, 5/16-24 x .6251
3 710-0331 Hex Head Screw, 3/8-24 x 2.25, B&S1 /P
3 710-0151 Hex Head Screw, 3/8-24 x 2.00, Honda1 /P
4 710-0502A Screw, 3/8-16 x 1.2501 /P
5 710-0599 Screw, 1/4-20 x 0.5001 /P
6 710-0606 Hex Head Screw, 1/4-20 x 1.501 /P
7 710-0672 Hex Head Screw, 5/16-24 x 1.251 /P
8 710-0805 Hex Head Screw, 5/16-18 x 1.501 /P
9 710-1880 Hex Head Screw, 5/16-18 x .75, Patch1
10 736-0315 Washer, Flat, .760 x 1.50 x .1201 /P
11 712-04063 Flangelock Nut, 5/16-181 /P
12 712-04064 Flangelock Nut, 1/4-201 /P
13 712-0700 Flange Nut, 9/16-181 /P
14 718-04407 Pulley Hub, 5/8 SPLINE1
15 732-04085 Extension Spring, .480 OD x 5.00 LG1 /P
16 732-04276A Extension Spring, LT5 PTO1 /P
17 936-0119 Washer, Lock, 5/161 /P
18 736-0173 Washer, Flat, .28 x .74 x .0631 /P
19 736-0343 Washer, Flat, .330 x 1.25 x .1201 /P
20 736-04193 Washer, Belleville, .396 x 1.140 x .0951 /P
21 936-0452 Washer, Bell, .396 x 1.140 x .0951 /P
22 736-3092 Washer, Flat, .265 x 1.0 x .0301 /P
23 918-04816 Transmission Assembly1 S
23 753-06042 Service Transmission Kit (Incl. Ref No. 13,
1 S
14, 23 & 31
24 738-04425 Screw, Shoulder, 1/4-28 x .342 x .3351
25 748-04087A Forward Idler Pivot Spacer1 /P
26 750-04571 Spacer, Shoulder, .260 x .785 x .5381
27 750-04907 Reverse Idler Pivot Spacer1
28 1916657 V Belt, 4L x 25.375 LG1 /P
29 1916658 V Belt, 3L x 29.125 LG Models with reverse1 /P
30 756-04198A Engine Pulley, 3L & 4L & Honda1
31 756-04355 Transmission Pulley1
32 756-0625 Cable Roller1
33 786-04312 Forward Idler Bracket1
34 786-04343-0638 Cover Mounting Plate1
35 786-04346 Reverse Idler Bracket1
36 786-04357-0638 Pulley Mounting Bracket1
37 786-04419-0638 LH Mount Frame1 S
38 786-04418-0638 RH Mount Frame1 S
39 786-04371-0638 Pulley Shield1
40 934-04232 Wheel, 13 x 5 x 6 650 Model Series1 /P
40 934-04453 Wheel Assembly, 11 x 4-4 640 Model Series1 /P
41 714-0143A Klik Pin, .25 DIA x 1.561
42 721-04271 Oil Plug1
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 3 of 10
Handle, Tine & Shield
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Handle, Tine & Shield
Ref # Part Number Qty DescriptionS/P/F
1 686-04077-0638 Tine Shield Assembly 650 Model Series1 /P
1 686-04076-0638 Tine Shield Assembly 640 Model Series1 /P
2 710-0597 Hex Head Screw, 1/4-20 x 1.001 /P
3 710-0604A Screw, 5/16-18 x 0.6251 /P
4 710-1238 Hex Head Washer, 5/16-18 x .8751 /P
5 710-3008 Hex Head Screw, 5/16-18 x .751 /P
6 712-04063 Flangelock Nut, 5/16-181 /P
7 712-04064 Flangelock Nut, 1/4-201 /P
8 712-04065 Flangelock Nut, 3/8-161 /P
9 715-0108 Spring Pin, 1/4 DIA x 1.00 LG1 /P
10 732-04320 Torsion Spring1 /P
11 738-04320 Screw, Shoulder, 5/16-18 x .405 x .4351
12 938-0533 Screw, Shoulder, $r .498 x 1.6351 /P
13 750-05349 Spacer, Split, .350 x .268 x .3751
14 786-04092-0638 Stop Reverse Arm1
15 786-04098-0638 Support Channel Bracket1
16 786-04104-0638 Depth Drag Bar1 /P
17 786-04292-0638 Depth Adjuster Bar1 /P
18 786-04363-0638 LH Tail Bracket1
19 786-04364-0638 RH Tail Bracket1
20 649-04066-0638 Upper Handle Assembly1 /P
21 686-04098-0638 Reverse Handle Assembly 650 Model Series1
22 710-0599 Screw, 1/4-20 x 0.5001 /P
23 710-0805 Hex Head Screw, 5/16-18 x 1.501 /P
24 720-0270A Reverse Handle Grip 650 Model Series1
25 726-0135 Speed Nut, Cap, .3125 DIA. 650 Model
1 /P
Series
26 936-3008 Flat Washer, .344 x .750 x .120 650 Model
27 746-04413 Forward Cable1
28 746-04414 Reverse Cable 650 Model Series1 S
29 747-04789-0637 Clutch Bail1 /P
30 749-04208-0638 Lower Handle1 /P
31 786-04188-0638 Support Handle Bracket1 /P
32 786-04200-0638 Handle Panel1 /P
33 742-04226-0637 LH Bolo Tine1 /P
34 742-04227-0637 RH Bolo Tine1 /P
35 710-0347 Hex Head Screw, 3/8-16 x 1.751 /P
36 731-06170 Belt Cover1
37 736-0173 Washer, Flat, .28 x .74 x .0631 /P
38 710-0395 Hex Head Screw, 5/16-18 x 2.25 650 Model
39 749-04193-0637 Bumper 650 Model Series1 /P
40 912-3000 Nut, Hexlock, 3/8-161 /P
41 710-0514 Hex Head Screw, 3/8-16 x 1.001 /P
42 686-04065-0637 Tine Holder Assembly 650 Model Series1 /P
42 686-04066-0638 Tine Holder Assembly 640 Model Series1 /P
1 /P
Series
1 /P
Series
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 5 of 10
Label Map Bronco
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Label Map Bronco
Ref # Part Number Qty DescriptionS/P/F
777I20937 777I20937 LABEL-BAIL CONTROL1
777D11091 777D11091 LABEL-TILLER HANDLE BRONCO CRT1
777X43688 777X43688 LABEL-ETHANOL1
777I20358 777I20358 LABEL-PLACE HAND HERE1
777I22616 777I22616 LABEL-TILLER TINE SHIELD DEPTH1
777S33475 777S33475 LABEL-TLR:TN/SHLD:WRNG1
777I22441 777I22441 LABEL-HNDL PNL INS1
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 7 of 10
Quick Reference
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 8 of 10
Quick Reference
Ref # Part Number Qty DescriptionS/P/F
759-3336 Spark Plug - B&S1 /P
490-250-0009 Spark Plug - Honda1
BS-493537S Pre Filter - B&S1 /P
N/A Pre Filter - Honda1
BS-491588S Air Filter - B&S1 /P
17211-ZL8-023 Air Filter - Honda1
951-3013 Fuel Filter - B&S1 S
16910-ZV4-015 Fuel Filter - Honda1
BS-795221 Fuel Cap - B&S1
17620-Z0J-800 Fuel Cap - Honda1
1916657 Drive Belt - FWD1 /P
1916658 Drive Belt - REV1 /P
684-04168 Idler Pulley1
746-04413 Clutch Cable - FWD1
746-04414 Clutch Cable - REV1 S
742-04226-0637 LH Bolo Tine1 /P
742-04227-0637 RH Bolo Tine1 /P
934-04232 Wheel, 13 x 5 x 61 /P
934-04453 Wheel Assembly, 11 x 4-41 /P
N/A Foam Grip1
N/A Shift Control Knob1
N/A Handle Knob1
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 9 of 10
Transmission
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21C-644D211 Bronco CRT Roto-Tiller (2010) Page 10 of 10
Transmission
Ref # Part Number Qty DescriptionS/P/F
1 919-04202B Transmission Housing1 /P
2 710-3008 Hex Head Screw, 5/16-18 x .751 /P
3 911-04844 Tiller Shaft1 /P
4 911-04854 Wheel Shaft1 /P
5 711-05035 CRT Drive Shaft1
6 714-04059 Key, .25 x 1.0621 /P
7 716-0204 Retainer Ring1
8 716-04102 Retainer Ring1 /P
9 917-04380 RH Gear Worm, 61T1 /P
10 917-04381 LH Gear Worm, 30T1 /P
11 918-04435 Bearing Cover1 /P
12 921-04030 Oil Seal, .750 SHF x 1.783 BORE1 /P
13 941-04298 Cone Bearing1 /P
14 921-04229 Gear Housing Gasket1 /P
15 721-04232 Oil Seal, 1.00 SHF x 2.00 BORE1
16 721-04271 Rubber Oil Plug1
17 736-04305 Washer, Flat, 1.50 x 1.75 x .0621 /P
18 736-04306 Washer, Flat, 1.50 x 1.75 x .0051 /P
19 736-04307 Washer, Flat, 1.50 x 1.75 x .031 /P
20 736-04308 Washer, Flat, 1.50 x 1.75 x .0101 /P
21 736-0745 Washer, Flat, 1.010 x 1.56 x .0601 /P
22 941-04299 Cup Bearing1 /P
23 786-04366 Tiller Transmission Cover1
24 786-04392 Tiller Transmission Cover1
25 741-3114 Ball Bearing, 1 x 52 x 15 x 6205-11
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