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Troy-Bilt 21A-643C711 Bronco CRT Roto-Tiller (2006) Drive Assembly And Wheels

Change Assembly
Diagrams Shown are for U.S. Models

Drive Assembly And Wheels

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Flat Washer, 5/16
$3.91
2
Pulley, Engine Drive
$44.76
3
TRANSMISSION PULLEY ASSEMBLY (for model 643C)
$66.08
3
TRANSMISSION PULLEY ASSEMBLY (for models 643B and 645A)
4
REVERSE IDLER PULLEY (for models 643B and 645A)
$21.47
5
Guard, Belts/Pulleys
$28.43
6
Forward Drive Belt
$19.30
7
V-BELT REV DRIVE 3L x 29.125 (for models 643B and 645A)
$18.29
8
Belt Cover
$32.14
9
RETURN SPRING (for models 643B and 645A)
10
BELT GUIDE (for models 643B and 645A)
$9.18
11
Belt Guide
12
Engine Bracket, Left
13
Engine Bracket, Right
14
Bracket, Belt Cover
$37.64
15
Shoulder Washer
$5.96
16
REVERSE IDLER ARM (for models 643B and 645A)
$13.96
17
Forward Idler Lever
$29.91
18
SCREW 5/16-24 x 1.25 GR5 (for model 643C)
$4.06
18
HEX SCREW (for models 643B and 645A)
$4.07
19
Hex Hd. Screw, 5/16-24 x 5/8
$4.14
20
Hex Hd. Screw, 5/16-18 x 1
$3.85
21
Hex Hd. Screw, 5/16-18 x 5/8
$4.33
22
HEX SCREW 3/8-16 x 1.75 GR5 (for model 643C)
$4.62
22
SCREW 3/8-16 x 1.50 (for models 643B and 645A)
$4.14
23
Screw, Self-Tapping, 1/4-20 x 1/2
$4.07
24
SCREW 5/16-18 x 2.0 GR5 (for models 643B and 645A)
$4.24
25
Lock Nut, 3/8-16
$4.10
26
HEX NUT LOCK CENTER (for models 643B and 645A)
$6.05
27
LOCK WASHER 5/16 (for model 643C)
$4.52
28
SPACER-.380 ID X.625 OD x .227 (for model 643C)
$4.10
28
FLAT WASHER (for model 645A)
$4.10
29
Flat Washer
$5.84
30
Bell Washer
$4.26
31
Hex Hd. Screw, 3/8-24 x 1.50, GR5
$6.56
32
Support Washer
$5.99
33
Forward Return Spring
$11.97
34
Bracket, Cable Mounting
35
Forward Idler Pulley
$29.66
36
Key, 3/16" x 1"
$3.40
37
Flat Washer
$4.16
38
Belleville Washer
$5.99
39
SCREW 5/16-18 x 1.50 GR5 (for models 643C and 643B)
$3.95
39
HEX SCREW 5/16-18 x 2.25 GR5 (for model 645A)
$4.30
40
Nut, Hex Lock, 5/16-18
$3.76
41
SPACER (for model 643C)
$10.09
42
FLAT WASHER (for model 643C)
$5.99
42
FLAT WASHER .766 x 1.000 x .031 (for models 643B and 645A)
$5.99
43
Bell Washer
$3.95
44
BUMPER (models 645A)
$43.45
45
PUSH NUT (for models 645A)
$6.06
46
Klik Pin
$5.98
47
WHEEL 10 x 2.75 (for model 643C)
48
WHEEL ASSEMBLY (13 x 5 x 6) (models 643B and 645A)
$142.76
48
Rim Only (6.0 x 3.25) (for models 643B and 645A)
48
TUBELESS VALVE (for models 643B and 645A)
$4.03
48
TIRE 13 x 5.0 x 6.00 (for models 643B and 645A)
$88.05
99
Hex Hd. Screw, 5/16-24 x 1
$4.07