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  Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Parts
Troy-Bilt Bronco RotoTillers Replacement For Model 21A-643B066 (2007)

Troy-Bilt Bronco RotoTillers Replacement Parts For Model 21A-643B066 (2007)

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Showing All Parts
Page A
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page A Diagram
 Fig #
A1
Use 936-0159
Minimum Quantity of 2 Required
 $5.28

Part Number:736-0159

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: Not Used in This Application
 $5.28
On Order - Usually ships in 3 - 5 business days
 $5.28
A2
Pulley-engine
 $69.81

Part Number:756-04198A

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Bronco Model
 $69.81
Special Order - Usually ships in 10 - 15 business days
 $69.81
A3
Pulley Asm-trans Obsolete - Not Available
 $83.11

Part Number:656-04023A

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $83.11
Special Order - Usually ships in 10 - 15 business days
 $83.11
A3
Pulley Asm-trans Tiller Obsolete - Not Available
 $68.13

Part Number:656-04005A

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $68.13
Special Order - Usually ships in 10 - 15 business days
 $68.13
A4
Pulley-rev Idler
 $25.62

Part Number:756-04169

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $25.62
Special Order - Usually ships in 10 - 15 business days
 $25.62
A5
Guard-trns Pulley Obsolete - Not Available
 $33.10

Part Number:786-04095-0637

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $33.10
Special Order - Usually ships in 10 - 15 business days
 $33.10
A6
Belt-v Fwd Drv 4
 $21.43

Part Number:954-04090

In Stock

In Stock

Note: Length: 12 inches Width: 1/2 inch - Super Bronco And Pro-Line Models
 $21.43
In Stock
 $21.43
A7
Belt-v Rev Drv 3
 $20.31

Part Number:954-04091

In Stock

In Stock

Note: (Reverse)(Closer to the Engine, V-Side Out)
 $20.31
In Stock
 $20.31
A8
Cover-belt
 $49.16

Part Number:731-05268

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $49.16
Special Order - Usually ships in 10 - 15 business days
 $49.16
A9
Spring-rev Return Obsolete - Not Available
 $5.48

Part Number:1916724

Discontinued

Discontinued

Note: Super Bronco And Pro-Line Models
 $5.48
Discontinued
A10
Guide-belt
 $12.66

Part Number:732-04081

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $12.66
On Order - Usually ships in 3 - 5 business days
 $12.66
A11
Guide-forward Belt Obsolete - Not Available
 $8.99

Part Number:1916726

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $8.99
Special Order - Usually ships in 10 - 15 business days
 $8.99
A12
Use 786-04068 Obsolete - Not Available
 $13.60

Part Number:1916794001

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $13.60
Special Order - Usually ships in 10 - 15 business days
 $13.60
A13
786-04069 Bracket- Obsolete - Not Available
 $14.23

Part Number:1916795001

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $14.23
Special Order - Usually ships in 10 - 15 business days
 $14.23
A14
Bracket:belt Cover Obsolete - Not Available
 $55.67

Part Number:786-04070-0637

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $55.67
Special Order - Usually ships in 10 - 15 business days
 $55.67
A15
Spacer-pivot Idler
 $8.07

Part Number:748-04087A

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $8.07
In Stock
 $8.07
A16
Idler Arm-reverse
 $20.59

Part Number:786-04276

In Stock

In Stock
 $20.59
In Stock
 $20.59
A17
Arm:idler:forward
 $44.91

Part Number:786-04275-0637

In Stock

In Stock

Note: Bronco Model
 $44.91
In Stock
 $44.91
A18
Screw-hex 5/16-24
Minimum Quantity of 2 Required
 $5.48

Part Number:710-0672

In Stock

In Stock

Note: For 10 & 11 Hp - Super Bronco And Pro-Line Models
 $5.48
In Stock
 $5.48
A18
Screw-hex Special
Minimum Quantity of 2 Required
 $4.44

Part Number:710-0888

In Stock

In Stock

Note: (Special)
 $4.44
In Stock
 $4.44
A19
Screw-hex 5/16-24
Minimum Quantity of 2 Required
 $5.60

Part Number:710-0237

In Stock

In Stock

Note: Tightening Torque: 150-300 In. Lbs.
 $5.60
In Stock
 $5.60
A20
Hex Bolt 5/16-18 X .1in. Lg. (
Minimum Quantity of 2 Required
 $4.21

Part Number:710-0376

In Stock

In Stock
 $4.21
In Stock
 $4.21
A21
Screw-hex Flange 5
 $5.86

Part Number:710-04049

In Stock

In Stock

Note: Bronco Model
 $5.86
In Stock
 $5.86
A22
Screw-hex 3/8-16 X
Minimum Quantity of 2 Required
 $5.06

Part Number:710-0347

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $5.06
In Stock
 $5.06
A22
Screw-hex 3/8-16 X
Minimum Quantity of 2 Required
 $5.60

Part Number:710-0520

In Stock

In Stock

Note: Attaching the Chute Crank Support Tube.
 $5.60
In Stock
 $5.60
A23
Screw-hex Wash Sf
Minimum Quantity of 2 Required
 $4.44

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O. - Super Bronco And Pro-Line Models
 $4.44
In Stock
 $4.44
A24
Bolt-5/16-18 X 2.0
 $4.63

Part Number:710-3103

In Stock

In Stock
 $4.63
In Stock
 $4.63
A25
Nut, Hexlck, 3/8-16, Cntrlck
 $4.49

Part Number:712-3000

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $4.49
In Stock
 $4.49
A26
Hex L-nut 5/16-18 Thd.
 $7.13

Part Number:712-3009

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Bronco Model
 $7.13
Special Order - Usually ships in 10 - 15 business days
 $7.13
A27
Washer-lock 5/16
Minimum Quantity of 2 Required
 $4.95

Part Number:936-0119

In Stock

In Stock

Note: Bronco Model
 $4.95
In Stock
 $4.95
A28
Spacer-.380 Id X .
 $5.57

Part Number:950-0535

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: Model Lc-40 Only - Super Bronco And Pro-Line Models
 $5.57
On Order - Usually ships in 3 - 5 business days
 $5.57
A28
Washer-fl
 $4.49

Part Number:736-3050

In Stock

In Stock
 $4.49
In Stock
 $4.49
A29
Washer-fl
 $8.24

Part Number:736-3090

In Stock

In Stock

Note: Part of Motor, Switch & Cord Ass'y. Comp. (Ref. 49)
 $8.24
In Stock
 $8.24
A30
Use 936-0452
Minimum Quantity of 2 Required
 $4.66

Part Number:736-0452

In Stock

In Stock
 $4.66
In Stock
 $4.66
A31
Screw-hex 3/8-24 X
 $7.49

Part Number:710-0459A

In Stock

In Stock

Note: Special
 $7.49
In Stock
 $7.49
A32
Washer
 $8.45

Part Number:GW-50027

In Stock

In Stock
 $8.45
In Stock
 $8.45
A33
Spring-return
 $17.66

Part Number:732-04085

In Stock

In Stock
 $17.66
In Stock
 $17.66
A34
Bracket:cable Mt Obsolete - Not Available
 $4.99

Part Number:786-04107

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $4.99
Special Order - Usually ships in 10 - 15 business days
 $4.99
A35
Pulley-idler
 $44.53

Part Number:756-04170

In Stock

In Stock
 $44.53
In Stock
 $44.53
A36
Key-sq 3/16 X 1.00
 $3.99

Part Number:914-0105

In Stock

In Stock

Note: Honda Engine
 $3.99
In Stock
 $3.99
A37
Washer-fl-344x1.00
Minimum Quantity of 2 Required
 $4.55

Part Number:736-3078

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: Code: N
 $4.55
On Order - Usually ships in 3 - 5 business days
 $4.55
A38
Washer-belvl .8
 $8.45

Part Number:736-04193

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $8.45
In Stock
 $8.45
A39
Belt-v 3l X
 $26.85

Part Number:954-04032B

In Stock

In Stock

Note: Pro-Line Model
 $26.85
In Stock
 $26.85
A39
Screw-hex 5/16-18
 $5.83

Part Number:710-0395

In Stock

In Stock
 $5.83
In Stock
 $5.83
A40
Nut-flglk 5/16-18
 $5.95

Part Number:712-04063

In Stock

In Stock

Note: Use With 618-04378a Transmission, Double "D" Input Shaft - Bronco Model
 $5.95
In Stock
 $5.95
A41
Spacer
 $14.22

Part Number:750-0258

Discontinued

Discontinued

Note: (Used W/46\\\\ - Bronco Model
 $14.22
Discontinued
A42
Washer-fl
 $8.45

Part Number:736-0315

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $8.45
Special Order - Usually ships in 10 - 15 business days
 $8.45
A42
Washer:flat
 $8.45

Part Number:736-04192

In Stock

In Stock
 $8.45
In Stock
 $8.45
A43
Washer-bell .337 X
Minimum Quantity of 2 Required
 $5.17

Part Number:736-0242

Discontinued

Discontinued

Note: Not Used in This Application - Pro-Line Model
 $5.17
Discontinued
A44
Bumper
 $54.84

Part Number:749-04193-0637

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Pro-Line Model
 $54.84
Special Order - Usually ships in 10 - 15 business days
 $54.84
A45
Push Cap Obsolete - Not Available
 $8.55

Part Number:726-0201

In Stock

In Stock

Note: (Not Used on This Model)
 $8.55
In Stock
 $8.55
A46
Pin-klik
 $6.53

Part Number:714-0143A

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h - Bronco Model
 $6.53
In Stock
 $6.53
A47
Wheel:compl:10.0 Obsolete - Not Available
 $131.96

Part Number:734-04188

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: Super Bronco And Pro-Line Models
 $131.96
On Order - Usually ships in 3 - 5 business days
 $131.96
A48
Wheel:compl:13 X 5
 $215.36

Part Number:934-04232

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $215.36
In Stock
 $215.36
A48A
Rim Only (6.0 X 3.25) Obsolete - Not Available
 $2.99

Part Number:634-04218

Discontinued

Discontinued

Note: Super Bronco And Pro-Line Models
 $2.99
Discontinued
A48C
Valve-tubeless Air
 $5.95

Part Number:934-0255

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h
 $5.95
In Stock
 $5.95
A49
Pin:cot:int
 $8.11

Part Number:714-04048

In Stock

In Stock
 $8.11
In Stock
 $8.11
A50
Pin:clevis
Minimum Quantity of 2 Required
 $5.17

Part Number:711-04126

In Stock

In Stock

Note: Bronco Model
 $5.17
In Stock
 $5.17
Page B
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page B Diagram
 Fig #
B1
Ring-retaining
 $5.23

Part Number:716-04102

In Stock

In Stock
 $5.23
In Stock
 $5.23
B2
Bearing-roller-3/4
 $59.50

Part Number:941-0107

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: (Service Only)
 $59.50
On Order - Usually ships in 3 - 5 business days
 $59.50
B3
Washer-flat .765 X
Minimum Quantity of 2 Required
 $5.50

Part Number:736-04304

In Stock

In Stock
 $5.50
In Stock
 $5.50
B4
Shaft-drive
 $212.83

Part Number:911-04110

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Use As Required To Obtain Between .005" And .015" Allowable End-Play
 $212.83
Special Order - Usually ships in 10 - 15 business days
 $212.83
B5
Washer-flat 1.50 X
Minimum Quantity of 2 Required
 $4.43

Part Number:736-04308

In Stock

In Stock

Note: Washers Used to Obtain .005 to .015 Allowable End Play on Drive Shaft - Use As Required To Obtain Between .005" And .015" Allowable End-Play
 $4.43
In Stock
 $4.43
B5
Washer-flat 1.50 X
Minimum Quantity of 2 Required
 $5.48

Part Number:736-04307

In Stock

In Stock

Note: Washers Used to Obtain .005 to .015 Allowable End Play on Drive Shaft - Use As Required To Obtain Between .005" And .015" Allowable End-Play
 $5.48
In Stock
 $5.48
B5
Washer-flat 1.50 X
Minimum Quantity of 2 Required
 $4.43

Part Number:736-04306

In Stock

In Stock

Note: Washers Used to Obtain .005 to .015 Allowable End Play on Drive Shaft - Use As Required To Obtain Between .005" And .015" Allowable End-Play
 $4.43
In Stock
 $4.43
B5
Washer-flat 1.50 X
Minimum Quantity of 2 Required
 $4.05

Part Number:736-04305

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: (the Flat Washers Listed Are Used as Required to Obtain .005 to .015" Allowable End Play on the Drive Shaft.) - Incl. The Following Shims: Two #1224-1, Two #1224-2 & One #1224-4
 $4.05
On Order - Usually ships in 3 - 5 business days
 $4.05
B
Shim Set
 $19.40

Part Number:GW-1325C

In Stock

In Stock

Note: Bronco Model
 $19.40
In Stock
 $19.40
Page C
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page C Diagram
 Fig #
C1
Shield Asm-tine Br
 $111.48

Part Number:686-04076A-0638

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $111.48
In Stock
 $111.48
C1
Shield Asm-tine Br
 $244.41

Part Number:686-04077B-0638

In Stock

In Stock
 $244.41
In Stock
 $244.41
C2
Screw-hex 5/16-18
 $5.83

Part Number:710-0395

In Stock

In Stock
 $5.83
In Stock
 $5.83
C3
Screw-hex 1/4-20 X
 $4.21

Part Number:710-0597

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $4.21
On Order - Usually ships in 3 - 5 business days
 $4.21
C4
Screw-hex Wash Sf
Minimum Quantity of 2 Required
 $4.44

Part Number:710-0599

In Stock

In Stock

Note: Not Used on Units With Electric P.T.O.
 $4.44
In Stock
 $4.44
C5
Screw-hex 5/16-18
 $8.55

Part Number:710-0874

In Stock

In Stock

Note: If Equipped
 $8.55
In Stock
 $8.55
C6
Hex Bolt 5/16-18 X .75
Minimum Quantity of 2 Required
 $4.33

Part Number:710-3008

In Stock

In Stock

Note: Models With Electric Pto Only
 $4.33
In Stock
 $4.33
C7
Nut-flglk 5/16-18
 $5.95

Part Number:712-04063

In Stock

In Stock

Note: Use With 618-04378a Transmission, Double "D" Input Shaft
 $5.95
In Stock
 $5.95
C8
Nut-flglk
 $5.95

Part Number:712-04064

In Stock

In Stock

Note: Models Without Clutch Lock
 $5.95
In Stock
 $5.95
C9
Pin-spring Spir 1/
 $6.22

Part Number:715-0108

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $6.22
On Order - Usually ships in 3 - 5 business days
 $6.22
C10
Spring:torsion
Minimum Quantity of 2 Required
 $5.48

Part Number:732-04320

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $5.48
On Order - Usually ships in 3 - 5 business days
 $5.48
C11
Fl-wash. .34
 $7.13

Part Number:736-0275

In Stock

In Stock
 $7.13
In Stock
 $7.13
C12
Spacer:split Obsolete - Not Available
 $13.43

Part Number:750-04149

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $13.43
Special Order - Usually ships in 10 - 15 business days
 $13.43
C13
Bushing Obsolete - Not Available
 $3.99

Part Number:GW-55088

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $3.99
Special Order - Usually ships in 10 - 15 business days
 $3.99
C14
Spacer:split
 $8.55

Part Number:750-04556

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $8.55
On Order - Usually ships in 3 - 5 business days
 $8.55
C15
Arm:rev:stop
 $30.93

Part Number:786-04092

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: *Choose Color When Ordering*
 $30.93
Special Order - Usually ships in 10 - 15 business days
 $30.93
C16
Bracket:supt
 $31.97

Part Number:786-04098

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $31.97
Special Order - Usually ships in 10 - 15 business days
 $31.97
C17
Bar:depth Drag
 $40.23

Part Number:786-04104

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: *Choose Color When Ordering*
 $40.23
Special Order - Usually ships in 10 - 15 business days
 $40.23
C18
Bracket-hood Stop Obsolete - Not Available
 $19.03

Part Number:786-04191-0637

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $19.03
Special Order - Usually ships in 10 - 15 business days
 $19.03
C19
Bracket:hood Lh Obsolete - Not Available
 $23.34

Part Number:786-04290

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $23.34
Special Order - Usually ships in 10 - 15 business days
 $23.34
C20
Bracket:hood Rh Obsolete - Not Available
 $23.34

Part Number:786-04291

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $23.34
Special Order - Usually ships in 10 - 15 business days
 $23.34
C22
Hex Bolt 1/4-20 X 1.25 Lg. Obsolete - Not Available
Minimum Quantity of 2 Required
 $3.99

Part Number:710-0106

In Stock

In Stock
 $3.99
In Stock
 $3.99
C23
Screw-solt.h.10-24 Obsolete - Not Available
 $4.99

Part Number:710-04163

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $4.99
Special Order - Usually ships in 10 - 15 business days
 $4.99
C24
Hex L-nut 5/16-18 Thd.
 $7.13

Part Number:712-3009

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $7.13
Special Order - Usually ships in 10 - 15 business days
 $7.13
C25
Hex Nut #10-24 Thd.
 $5.17

Part Number:712-0121

In Stock

In Stock
 $5.17
In Stock
 $5.17
C26
Use 912-0291
 $5.60

Part Number:712-0291

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: (Optional)
 $5.60
Special Order - Usually ships in 10 - 15 business days
 $5.60
C27
Spring-fwrd Clutch
 $8.84

Part Number:732-04185

In Stock

In Stock
 $8.84
In Stock
 $8.84
C28
Cable:drive:tuffy
 $40.94

Part Number:946-04208

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $40.94
In Stock
 $40.94
C29
Cable:reverse Cont
 $64.68

Part Number:946-04058

In Stock

In Stock
 $64.68
In Stock
 $64.68
C30
Bail-forward Clutc Obsolete - Not Available
 $64.50

Part Number:1916106001

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $64.50
On Order - Usually ships in 3 - 5 business days
 $64.50
C31
Handle: Upper: Til Obsolete - Not Available
 $109.63

Part Number:749-04084-0638

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $109.63
Special Order - Usually ships in 10 - 15 business days
 $109.63
C32
Handle-lower Tille
 $66.08

Part Number:749-04742-0638

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $66.08
On Order - Usually ships in 3 - 5 business days
 $66.08
C33
Tab: Conduit Mount Obsolete - Not Available
 $3.99

Part Number:786-04106

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $3.99
Special Order - Usually ships in 10 - 15 business days
 $3.99
C34
Bracket-rev Cable Obsolete - Not Available
 $11.66

Part Number:786-04040

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $11.66
Special Order - Usually ships in 10 - 15 business days
 $11.66
C35
Bracket-handle Supt
 $21.97

Part Number:786-04188-0638

In Stock

In Stock
 $21.97
In Stock
 $21.97
C36
Panel-handle
 $34.07

Part Number:786-04200-0638

In Stock

In Stock
 $34.07
In Stock
 $34.07
C37
Screw-hex 3/8-16 X
Minimum Quantity of 2 Required
 $4.53

Part Number:710-0216

In Stock

In Stock
 $4.53
In Stock
 $4.53
C38
Belt-v 3l X
 $26.85

Part Number:954-04032B

In Stock

In Stock
 $26.85
In Stock
 $26.85
C39
Nut, Hexlck, 3/8-16, Cntrlck
 $4.49

Part Number:712-3000

In Stock

In Stock
 $4.49
In Stock
 $4.49
C40
Washer-lock 5/16
Minimum Quantity of 2 Required
 $4.95

Part Number:936-0119

In Stock

In Stock
 $4.95
In Stock
 $4.95
C41
Tie-cable 7
 $5.95

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $5.95
In Stock
 $5.95
C42
Washer-fl
 $4.49

Part Number:736-3050

In Stock

In Stock
 $4.49
In Stock
 $4.49
C43
Nut-flange Lk.nylo
 $5.95

Part Number:712-04065

In Stock

In Stock

Note: (Not Shown)
 $5.95
In Stock
 $5.95
C44
Screw-hex 3/8-16 X
Minimum Quantity of 2 Required
 $5.06

Part Number:710-0347

In Stock

In Stock
 $5.06
In Stock
 $5.06
C45
Screw-hex 3/8-16 X
Minimum Quantity of 2 Required
 $4.36

Part Number:710-0514

In Stock

In Stock

Note: (Optional)
 $4.36
In Stock
 $4.36
C46
Screw-hhflg 5/16-
Minimum Quantity of 2 Required
 $4.82

Part Number:710-04048

In Stock

In Stock

Note: See Tine Chart
 $4.82
In Stock
 $4.82
C47
Tine-bolo 10 Rh
 $18.66

Part Number:742-04226-0637

In Stock

In Stock

Note: See Tine Chart
 $18.66
In Stock
 $18.66
C48
Tine-bolo 10 Lh
 $17.84

Part Number:742-04227-0637

In Stock

In Stock

Note: Bronco Model
 $17.84
In Stock
 $17.84
C49
Holder Asm:tine:tu
 $65.80

Part Number:686-04066

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Super Bronco And Pro-Line Models
 $65.80
Special Order - Usually ships in 10 - 15 business days
 $65.80
C49
Tine Holder
 $51.98

Part Number:686-05008-0637

In Stock

In Stock

Note: Incl. 8 Rh Tines, 8 Lh Tines & Required Hardware; Bronco, Super Bronco And Pro-Line Models
 $51.98
In Stock
 $51.98
C
Tines-bolo Set Of Obsolete - Not Available
 $249.62

Part Number:GW-1901

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $249.62
Special Order - Usually ships in 10 - 15 business days
 $249.62
Page D
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page D Diagram
 Fig #
D
Resistor Spark Plug Obsolete - Not Available
 $5.95

Part Number:34645

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $5.95
Special Order - Usually ships in 10 - 15 business days
 $5.95
D
Pre Filter
 $6.55

Part Number:36634

In Stock

In Stock
 $6.55
In Stock
 $6.55
D
Air Filter
 $10.00

Part Number:30-740

In Stock

In Stock
 $10.00
In Stock
 $10.00
D
Belt-v Fwd Drv 4
 $21.43

Part Number:954-04090

In Stock

In Stock

Note: Length: 12 inches Width: 1/2 inch - Fwd
 $21.43
In Stock
 $21.43
D
Pulley-idler
 $44.53

Part Number:756-04170

In Stock

In Stock
 $44.53
In Stock
 $44.53
D
Cable:drive:tuffy
 $40.94

Part Number:946-04208

In Stock

In Stock

Note: See Tine Chart
 $40.94
In Stock
 $40.94
D
Tine-bolo 10 Lh
 $17.84

Part Number:742-04227-0637

In Stock

In Stock

Note: See Tine Chart
 $17.84
In Stock
 $17.84
D
Tine-bolo 10 Rh
 $18.66

Part Number:742-04226-0637

In Stock

In Stock
 $18.66
In Stock
 $18.66
D
Wheel:compl:10.0 Obsolete - Not Available
 $131.96

Part Number:734-04188

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days
 $131.96
On Order - Usually ships in 3 - 5 business days
 $131.96
Page E
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page E Diagram
 Fig #
E
Tine-bolo 10 Rh
 $18.66

Part Number:742-04226-0637

In Stock

In Stock
 $18.66
In Stock
 $18.66
E
Tine-bolo 10 Lh
 $17.84

Part Number:742-04227-0637

In Stock

In Stock
 $17.84
In Stock
 $17.84
E
Tine-bolo 12 Rh
 $33.81

Part Number:742-04224-0637

In Stock

In Stock
 $33.81
In Stock
 $33.81
E
Tine-bolo 12 Lh
 $33.79

Part Number:742-04223-0637

In Stock

In Stock
 $33.79
In Stock
 $33.79
E
Kit-tine Cast Iron Obsolete - Not Available
 $297.53

Part Number:1901118A

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $297.53
Special Order - Usually ships in 10 - 15 business days
 $297.53
E
Tines-bolo Set Of Obsolete - Not Available
 $249.62

Part Number:GW-1901

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $249.62
Special Order - Usually ships in 10 - 15 business days
 $249.62
Page F
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page F Diagram
 Fig #
F2
Ring-retaining Ext
Minimum Quantity of 2 Required
 $4.43

Part Number:716-04104

In Stock

In Stock

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $4.43
In Stock
 $4.43
F3
Washer-flat 1.015
Minimum Quantity of 2 Required
 $4.43

Part Number:736-04309

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: (33 - Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $4.43
On Order - Usually ships in 3 - 5 business days
 $4.43
F3
Washer-flat:1.015
 $8.45

Part Number:736-04260

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $8.45
Special Order - Usually ships in 10 - 15 business days
 $8.45
F3
Washer-flat:1.015
 $8.45

Part Number:736-04259

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $8.45
Special Order - Usually ships in 10 - 15 business days
 $8.45
F3
Washer-flat:1.015
Minimum Quantity of 2 Required
 $4.97

Part Number:736-04258

In Stock

In Stock

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $4.97
In Stock
 $4.97
F3
Washer-flat:1.015
 $4.97

Part Number:736-04257

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $4.97
Special Order - Usually ships in 10 - 15 business days
 $4.97
F4
Bushing-1.005 X 1.
 $17.57

Part Number:941-04300

In Stock

In Stock

Note: Bronco Model
 $17.57
In Stock
 $17.57
F5
Shaft:wheel:tuffy Obsolete - Not Available
 $45.95

Part Number:911-04512

On Order - Usually ships in 3 - 5 business days

On Order - Usually ships in 3 - 5 business days

Note: Super Bronco Model
 $45.95
On Order - Usually ships in 3 - 5 business days
 $45.95
F5
Kit-service Wheel
 $411.13

Part Number:753-05578

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days

Note: Pro-Line Model
 $411.13
Special Order - Usually ships in 10 - 15 business days
 $411.13
F5
Shaft:wheel:bronco Obsolete - Not Available
 $74.31

Part Number:911-04486

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $74.31
Special Order - Usually ships in 10 - 15 business days
 $74.31
F6
Key-hi Pro .25 X 1
 $8.45

Part Number:714-04059

In Stock

In Stock
 $8.45
In Stock
 $8.45
F7
Washer-flat 1.015
 $5.95

Part Number:736-04310

In Stock

In Stock
 $5.95
In Stock
 $5.95
F8
Gear-worm 61t
 $168.91

Part Number:917-04380

In Stock

In Stock
 $168.91
In Stock
 $168.91
F9
Shaft-tiller Tine
 $143.59

Part Number:911-04078

In Stock

In Stock
 $143.59
In Stock
 $143.59
F10
Key Woodruff .25 X
 $11.86

Part Number:GW-1104

In Stock

In Stock
 $11.86
In Stock
 $11.86
F11
Gear-worm 30t Lh
 $182.22

Part Number:917-04381

In Stock

In Stock
 $182.22
In Stock
 $182.22
Page G
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page G Diagram
 Fig #
G1
Plug-pipe 3/8 Npt
 $8.55

Part Number:737-04202

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $8.55
Special Order - Usually ships in 10 - 15 business days
 $8.55
G2
Screw-hex Flange 5
 $5.86

Part Number:710-04049

In Stock

In Stock
 $5.86
In Stock
 $5.86
G3
Washer-lock 5/16
Minimum Quantity of 2 Required
 $4.95

Part Number:936-0119

In Stock

In Stock
 $4.95
In Stock
 $4.95
G4
Cover-trans Rear 1 Obsolete - Not Available
 $10.46

Part Number:1916109001

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $10.46
Special Order - Usually ships in 10 - 15 business days
 $10.46
G5
Cover-trans Housin
 $31.10

Part Number:786-04359

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $31.10
Special Order - Usually ships in 10 - 15 business days
 $31.10
G6
Gasket-gear Housin
 $8.47

Part Number:921-04229

In Stock

In Stock
 $8.47
In Stock
 $8.47
G7
Seal-oil
 $13.05

Part Number:921-04030

In Stock

In Stock
 $13.05
In Stock
 $13.05
G8
Seal-oil
 $11.04

Part Number:921-04031

In Stock

In Stock
 $11.04
In Stock
 $11.04
G9
Housing-transmissi Obsolete - Not Available
 $216.07

Part Number:919-04013

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $216.07
Special Order - Usually ships in 10 - 15 business days
 $216.07
G10
Seal-oil
 $19.98

Part Number:921-04036

In Stock

In Stock

Note: Tine Shaft Seal (Not Shown) - Included With Transmission When Purchased As An Assembly Only. Remove & Discard When Installing The Transmission On Tiller.
 $19.98
In Stock
 $19.98
G11
Flat Washer, .344 X .750 X .12
 $7.19

Part Number:936-3008

In Stock

In Stock

Note: If Equipped With Carb Fuel Tank
 $7.19
In Stock
 $7.19
G12
Cover-bearing
 $28.72

Part Number:918-04435

Special Order - Usually ships in 10 - 15 business days

Special Order - Usually ships in 10 - 15 business days
 $28.72
Special Order - Usually ships in 10 - 15 business days
 $28.72
G13
Screw-hhflg 5/16-
Minimum Quantity of 2 Required
 $4.82

Part Number:710-04048

In Stock

In Stock
 $4.82
In Stock
 $4.82
G14
Hex Bolt 5/16-18 X .75
Minimum Quantity of 2 Required
 $4.33

Part Number:710-3008

In Stock

In Stock

Note: Models With Electric Pto Only
 $4.33
In Stock
 $4.33
 Fig #
Cultivator Parts

Repair Guides for Troy-Bilt Bronco RotoTillers 21A-643B066 (2007)

Lawn and Garden Machines and Power Tools

This article lists the major categories of lawn and garden tools and machines, explaining the basic applications, types, and features of each.

Quick Fix: How to Replace the Spark Plug in a Small Engine

This video will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.

How to Replace the Fuel Filters in Your Outdoor Power Equipment

This video will help you troubleshoot your fuel-line replacement repairs.

How to Winterize Power Tools and Machines

This video explains how to properly winterize power tools and machines for winter storage, increasing the life and performance of seasonal tools.

Questions & Answers for Troy-Bilt 21A-643B066 (2007)

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