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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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Popular Parts for Troy-Bilt 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
 $4.27

Part Number:736-0159

In Stock

In Stock

Note: Not Used in This Application
 $4.27
In Stock
 $4.27
A2
Pulley-engine
 $56.50

Part Number:756-04198A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Bronco Model
 $56.50
Usually ships in 7 - 12 business days
 $56.50
A3
Pulley Asm-trans
 $83.11

Part Number:656-04023A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $83.11
Usually ships in 7 - 12 business days
 $83.11
A3
Pulley Asm-trans Tiller
 $68.13

Part Number:656-04005A

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $68.13
Usually ships in 7 - 12 business days
 $68.13
A4
Pulley-rev Idler
 $25.62

Part Number:756-04169

In Stock

In Stock
 $25.62
In Stock
 $25.62
A5
Guard-trns Pulley
 $33.10

Part Number:786-04095-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $33.10
Usually ships in 7 - 12 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
 $39.80

Part Number:731-05268

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $39.80
Usually ships in 7 - 12 business days
 $39.80
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
 $10.48

Part Number:732-04081

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.48
Usually ships in 7 - 12 business days
 $10.48
A11
Guide-forward Belt Obsolete - Not Available
 $8.99

Part Number:1916726

Discontinued

Discontinued
 $8.99
Discontinued
A12
Use 786-04068
 $13.60

Part Number:1916794001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.60
Usually ships in 7 - 12 business days
 $13.60
A13
786-04069 Bracket-
 $14.23

Part Number:1916795001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.23
Usually ships in 7 - 12 business days
 $14.23
A14
Bracket:belt Cover
 $46.61

Part Number:786-04070-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $46.61
Usually ships in 7 - 12 business days
 $46.61
A15
Spacer-pivot Idler
 $6.52

Part Number:748-04087A

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $6.52
In Stock
 $6.52
A16
Idler Arm-reverse
 $16.66

Part Number:786-04276

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.66
Usually ships in 7 - 12 business days
 $16.66
A17
Arm:idler:forward
 $36.35

Part Number:786-04275-0637

In Stock

In Stock

Note: Bronco Model
 $36.35
In Stock
 $36.35
A18
Screw-hex 5/16-24
 $4.43

Part Number:710-0672

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: For 10 & 11 Hp - Super Bronco And Pro-Line Models
 $4.43
Usually ships in 7 - 12 business days
 $4.43
A18
Screw-hex Special
 $4.44

Part Number:710-0888

In Stock

In Stock

Note: (Special)
 $4.44
In Stock
 $4.44
A19
Hex Hd. Screw 5/16-24 X 5/8
 $4.53

Part Number:710-0237

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Tightening Torque: 150-300 In. Lbs.
 $4.53
Usually ships in 7 - 12 business days
 $4.53
A20
Hex Bolt 5/16-18 X .1in. Lg. (
 $4.21

Part Number:710-0376

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.21
In Stock
 $4.21
A21
Screw-hex Flange 5
 $4.74

Part Number:710-04049

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Bronco Model
 $4.74
Usually ships in 7 - 12 business days
 $4.74
A22
Screw-hex 3/8-16 X
 $5.06

Part Number:710-0347

In Stock

In Stock

Note: Purchase Locally - Super Bronco And Pro-Line Models
 $5.06
In Stock
 $5.06
A22
Screw-hex 3/8-16 X
 $4.53

Part Number:710-0520

In Stock

In Stock

Note: Attaching the Chute Crank Support Tube.
 $4.53
In Stock
 $4.53
A23
Screw-hex Wash Sf
 $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

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.63
In Stock
 $4.63
A25
Use 912-3000
 $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.
 $6.03

Part Number:712-3009

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Bronco Model
 $6.03
Usually ships in 7 - 12 business days
 $6.03
A27
Washer-lock 5/16
 $4.95

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an - Bronco Model
 $4.95
In Stock
 $4.95
A28
Spacer-.380 Id X .
 $4.49

Part Number:950-0535

In Stock

In Stock

Note: Model Lc-40 Only - Super Bronco And Pro-Line Models
 $4.49
In Stock
 $4.49
A28
Washer-fl
 $4.49

Part Number:736-3050

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.49
Usually ships in 7 - 12 business days
 $4.49
A29
Flat Washer, .260 X .720 X .06
 $6.67

Part Number:736-3090

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Part of Motor, Switch & Cord Ass'y. Comp. (Ref. 49)
 $6.67
Usually ships in 7 - 12 business days
 $6.67
A30
Use 936-0452
 $4.66

Part Number:736-0452

In Stock

In Stock
 $4.66
In Stock
 $4.66
A31
Hex Bolt 3/8-24 X 1.5
 $7.49

Part Number:710-0459A

In Stock

In Stock

Note: Special
 $7.49
In Stock
 $7.49
A32
Washer
 $6.84

Part Number:GW-50027

In Stock

In Stock
 $6.84
In Stock
 $6.84
A33
Spring-return
 $14.29

Part Number:732-04085

In Stock

In Stock
 $14.29
In Stock
 $14.29
A34
Bracket:cable Mt
 $4.99

Part Number:786-04107

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
A35
Pulley-idler
 $36.05

Part Number:756-04170

In Stock

In Stock
 $36.05
In Stock
 $36.05
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
 $4.55

Part Number:736-3078

In Stock

In Stock

Note: Code: N
 $4.55
In Stock
 $4.55
A38
Washer-belvl .8
 $6.84

Part Number:736-04193

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $6.84
In Stock
 $6.84
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
 $4.70

Part Number:710-0395

In Stock

In Stock

Note: Purchase Locally
 $4.70
In Stock
 $4.70
A40
Nut-flglk 5/16-18
 $4.10

Part Number:712-04063

In Stock

In Stock

Note: Use With 618-04378a Transmission, Double "D" Input Shaft - Bronco Model
 $4.10
In Stock
 $4.10
A41
Spacer .315
 $11.51

Part Number:750-0258

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Used W/46\\\\ - Bronco Model
 $11.51
Usually ships in 7 - 12 business days
 $11.51
A42
Washer-fl
 $6.84

Part Number:736-0315

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $6.84
Usually ships in 7 - 12 business days
 $6.84
A42
Washer:flat
 $6.84

Part Number:736-04192

In Stock

In Stock
 $6.84
In Stock
 $6.84
A43
Washer
 $4.32

Part Number:736-0242

In Stock

In Stock

Note: Not Used in This Application - Pro-Line Model
 $4.32
In Stock
 $4.32
A44
Bumper
 $54.84

Part Number:749-04193-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Pro-Line Model
 $54.84
Usually ships in 7 - 12 business days
 $54.84
A45
Nut-push
 $6.92

Part Number:726-0201

In Stock

In Stock

Note: (Not Used on This Model)
 $6.92
In Stock
 $6.92
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
 $131.96

Part Number:734-04188

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $131.96
Usually ships in 7 - 12 business days
 $131.96
A48
Wheel:compl:13 X 5
 $174.61

Part Number:934-04232

In Stock

In Stock

Note: Super Bronco And Pro-Line Models
 $174.61
In Stock
 $174.61
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
 $4.41

Part Number:934-0255

In Stock

In Stock

Note: Model No.(S) E633e, E6b3h
 $4.41
In Stock
 $4.41
A49
Pin:cot:int
 $8.11

Part Number:714-04048

In Stock

In Stock
 $8.11
In Stock
 $8.11
A50
Pin:clevis
 $4.19

Part Number:711-04126

In Stock

In Stock

Note: Bronco Model
 $4.19
In Stock
 $4.19
Page B
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page B Diagram
 Fig #
B1
Ring-retaining
 $4.43

Part Number:716-04102

In Stock

In Stock
 $4.43
In Stock
 $4.43
B2
Bearing-roller-3/4
 $48.16

Part Number:941-0107

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Service Only)
 $48.16
Usually ships in 7 - 12 business days
 $48.16
B3
Washer-flat .765 X
 $4.44

Part Number:736-04304

In Stock

In Stock
 $4.44
In Stock
 $4.44
B4
Shaft-drive
 $172.26

Part Number:911-04110

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Use As Required To Obtain Between .005" And .015" Allowable End-Play
 $172.26
Usually ships in 7 - 12 business days
 $172.26
B5
Washer-flat 1.50 X
 $4.43

Part Number:736-04308

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

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
Usually ships in 7 - 12 business days
 $4.43
B5
Washer-flat 1.50 X
 $4.43

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
 $4.43
In Stock
 $4.43
B5
Washer-flat 1.50 X
 $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
 $4.05

Part Number:736-04305

In Stock

In Stock

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
In Stock
 $4.05
B
Shim Set
 $15.70

Part Number:GW-1325C

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Bronco Model
 $15.70
Usually ships in 7 - 12 business days
 $15.70
Page C
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page C Diagram
 Fig #
C1
Shield Asm-tine Br
 $90.24

Part Number:686-04076A-0638

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $90.24
Usually ships in 7 - 12 business days
 $90.24
C1
Shield Asm-tine Br
 $197.84

Part Number:686-04077B-0638

In Stock

In Stock
 $197.84
In Stock
 $197.84
C2
Screw-hex 5/16-18
 $4.70

Part Number:710-0395

In Stock

In Stock

Note: Purchase Locally
 $4.70
In Stock
 $4.70
C3
Screw-hex 1/4-20 X
 $4.21

Part Number:710-0597

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.21
Usually ships in 7 - 12 business days
 $4.21
C4
Screw-hex Wash Sf
 $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
 $6.92

Part Number:710-0874

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: If Equipped
 $6.92
Usually ships in 7 - 12 business days
 $6.92
C6
Hex Bolt 5/16-18 X .75
 $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
 $4.10

Part Number:712-04063

In Stock

In Stock

Note: Use With 618-04378a Transmission, Double "D" Input Shaft
 $4.10
In Stock
 $4.10
C8
Nut-flglk
 $4.19

Part Number:712-04064

In Stock

In Stock

Note: Models Without Clutch Lock
 $4.19
In Stock
 $4.19
C9
Pin-spring Spir 1/
 $5.04

Part Number:715-0108

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.04
Usually ships in 7 - 12 business days
 $5.04
C10
Spring:torsion
 $4.43

Part Number:732-04320

In Stock

In Stock
 $4.43
In Stock
 $4.43
C11
Fl-wash. .34
 $6.03

Part Number:736-0275

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.03
Usually ships in 7 - 12 business days
 $6.03
C12
Spacer:split
 $13.43

Part Number:750-04149

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $13.43
Usually ships in 7 - 12 business days
 $13.43
C13
Bushing
 $3.99

Part Number:GW-55088

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
C14
Spacer:split
 $6.92

Part Number:750-04556

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.92
Usually ships in 7 - 12 business days
 $6.92
C15
Arm:rev:stop
 $25.91

Part Number:786-04092

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $25.91
Usually ships in 7 - 12 business days
 $25.91
C16
Bracket:supt
 $26.75

Part Number:786-04098

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $26.75
Usually ships in 7 - 12 business days
 $26.75
C17
Bar:depth Drag
 $33.68

Part Number:786-04104

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: *Choose Color When Ordering*
 $33.68
Usually ships in 7 - 12 business days
 $33.68
C18
Bracket-hood Stop
 $19.03

Part Number:786-04191-0637

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $19.03
Usually ships in 7 - 12 business days
 $19.03
C19
Bracket:hood Lh
 $23.34

Part Number:786-04290

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.34
Usually ships in 7 - 12 business days
 $23.34
C20
Bracket:hood Rh
 $23.34

Part Number:786-04291

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.34
Usually ships in 7 - 12 business days
 $23.34
C22
Hex Bolt 1/4-20 X 1.25 Lg.
 $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

Discontinued

Discontinued
 $4.99
Discontinued
C24
Hex L-nut 5/16-18 Thd.
 $6.03

Part Number:712-3009

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.03
Usually ships in 7 - 12 business days
 $6.03
C25
Hex Nut #10-24 Thd.
 $3.99

Part Number:712-0121

In Stock

In Stock
 $3.99
In Stock
 $3.99
C26
Use 912-0291
 $4.53

Part Number:712-0291

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: (Optional)
 $4.53
Usually ships in 7 - 12 business days
 $4.53
C27
Spring-fwrd Clutch
 $7.16

Part Number:732-04185

In Stock

In Stock
 $7.16
In Stock
 $7.16
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
 $52.21

Part Number:1916106001

Backorder: No ETA

Backorder: No ETA
 $52.21
Backorder: No ETA
 $52.21
C31
Handle: Upper: Til Obsolete - Not Available
 $109.63

Part Number:749-04084-0638

Discontinued

Discontinued
 $109.63
Discontinued
C32
Handle-lower Tille
 $56.12

Part Number:749-04742-0638

In Stock

In Stock
 $56.12
In Stock
 $56.12
C33
Tab: Conduit Mount
 $3.99

Part Number:786-04106

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $3.99
Usually ships in 7 - 12 business days
 $3.99
C34
Bracket-rev Cable Obsolete - Not Available
 $11.66

Part Number:786-04040

Discontinued

Discontinued
 $11.66
Discontinued
C35
Bracket-handle Supt
 $17.78

Part Number:786-04188-0638

In Stock

In Stock
 $17.78
In Stock
 $17.78
C36
Panel-handle
 $28.51

Part Number:786-04200-0638

In Stock

In Stock
 $28.51
In Stock
 $28.51
C37
Screw-hex 3/8-16 X
 $4.53

Part Number:710-0216

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if These Items Cannot Be Obtained Locally, Order by Part Num
 $4.53
Usually ships in 7 - 12 business days
 $4.53
C38
Belt-v 3l X
 $26.85

Part Number:954-04032B

In Stock

In Stock
 $26.85
In Stock
 $26.85
C39
Use 912-3000
 $4.49

Part Number:712-3000

In Stock

In Stock
 $4.49
In Stock
 $4.49
C40
Washer-lock 5/16
 $4.95

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.95
In Stock
 $4.95
C41
Tie-cable 7
 $3.99

Part Number:725-0157

In Stock

In Stock

Note: (W/ Heated Grips)
 $3.99
In Stock
 $3.99
C42
Washer-fl
 $4.49

Part Number:736-3050

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.49
Usually ships in 7 - 12 business days
 $4.49
C43
Nut-flange Lk.nylo
 $4.24

Part Number:712-04065

In Stock

In Stock

Note: (Not Shown)
 $4.24
In Stock
 $4.24
C44
Screw-hex 3/8-16 X
 $5.06

Part Number:710-0347

In Stock

In Stock

Note: Purchase Locally
 $5.06
In Stock
 $5.06
C45
Screw-hex 3/8-16 X
 $4.36

Part Number:710-0514

In Stock

In Stock

Note: (Optional)
 $4.36
In Stock
 $4.36
C46
Screw-hhflg 5/16-
 $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
 $17.11

Part Number:742-04226-0637

In Stock

In Stock

Note: See Tine Chart
 $17.11
In Stock
 $17.11
C48
Tine-bolo 10 Lh
 $17.11

Part Number:742-04227-0637

In Stock

In Stock

Note: Bronco Model
 $17.11
In Stock
 $17.11
C49
Holder Asm:tine:tu
 $55.08

Part Number:686-04066

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Super Bronco And Pro-Line Models
 $55.08
Usually ships in 7 - 12 business days
 $55.08
C49
Tine Holder
 $42.07

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
 $42.07
In Stock
 $42.07
C
Tines-bolo Set Of Obsolete - Not Available
 $249.62

Part Number:GW-1901

Discontinued

Discontinued
 $249.62
Discontinued
Page D
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page D Diagram
 Fig #
D
Resistor Spark Plug
 $4.99

Part Number:34645

In Stock

In Stock
 $4.99
In Stock
 $4.99
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

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.00
Usually ships in 7 - 12 business days
 $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
 $36.05

Part Number:756-04170

In Stock

In Stock
 $36.05
In Stock
 $36.05
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
 $17.11

Part Number:742-04227-0637

In Stock

In Stock

Note: See Tine Chart
 $17.11
In Stock
 $17.11
D
Tine-bolo 10 Rh
 $17.11

Part Number:742-04226-0637

In Stock

In Stock
 $17.11
In Stock
 $17.11
D
Wheel:compl:10.0
 $131.96

Part Number:734-04188

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $131.96
Usually ships in 7 - 12 business days
 $131.96
Page E
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page E Diagram
 Fig #
E
Tine-bolo 10 Rh
 $17.11

Part Number:742-04226-0637

In Stock

In Stock
 $17.11
In Stock
 $17.11
E
Tine-bolo 10 Lh
 $17.11

Part Number:742-04227-0637

In Stock

In Stock
 $17.11
In Stock
 $17.11
E
Tine-bolo 12 Rh
 $27.36

Part Number:742-04224-0637

In Stock

In Stock
 $27.36
In Stock
 $27.36
E
Tine-bolo 12 Lh
 $27.36

Part Number:742-04223-0637

In Stock

In Stock
 $27.36
In Stock
 $27.36
E
Kit-tine Cast Iron Obsolete - Not Available
 $297.53

Part Number:1901118A

Discontinued

Discontinued
 $297.53
Discontinued
E
Tines-bolo Set Of Obsolete - Not Available
 $249.62

Part Number:GW-1901

Discontinued

Discontinued
 $249.62
Discontinued
Page F
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page F Diagram
 Fig #
F2
Ring-retaining Ext
 $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
 $4.43

Part Number:736-04309

In Stock

In Stock

Note: (33 - Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $4.43
In Stock
 $4.43
F3
Washer-flat:1.015
 $6.84

Part Number:736-04260

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $6.84
Usually ships in 7 - 12 business days
 $6.84
F3
Washer-flat:1.015
 $6.84

Part Number:736-04259

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $6.84
Usually ships in 7 - 12 business days
 $6.84
F3
Washer-flat:1.015
 $4.01

Part Number:736-04258

In Stock

In Stock

Note: Use As Required To Obtain Between .005" And .030" Allowable End-Play
 $4.01
In Stock
 $4.01
F3
Washer-flat:1.015
 $4.01

Part Number:736-04257

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.01
Usually ships in 7 - 12 business days
 $4.01
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

Discontinued

Discontinued

Note: Super Bronco Model
 $45.95
Discontinued
F5
Kit-service Wheel
 $411.13

Part Number:753-05578

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: Pro-Line Model
 $411.13
Usually ships in 7 - 12 business days
 $411.13
F5
Shaft:wheel:bronco
 $74.31

Part Number:911-04486

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $74.31
Usually ships in 7 - 12 business days
 $74.31
F6
Key-hi Pro .25 X 1
 $6.84

Part Number:714-04059

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.84
Usually ships in 7 - 12 business days
 $6.84
F7
Washer-flat 1.015
 $4.55

Part Number:736-04310

In Stock

In Stock
 $4.55
In Stock
 $4.55
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
 $9.59

Part Number:GW-1104

In Stock

In Stock
 $9.59
In Stock
 $9.59
F11
Gear-worm 30t Lh
 $147.48

Part Number:917-04381

In Stock

In Stock
 $147.48
In Stock
 $147.48
Page G
Troy-Bilt 21A-643B066 (2007) Bronco RotoTiller Page G Diagram
 Fig #
G1
Plug-pipe 3/8 Npt
 $6.92

Part Number:737-04202

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $6.92
Usually ships in 7 - 12 business days
 $6.92
G2
Screw-hex Flange 5
 $4.74

Part Number:710-04049

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.74
Usually ships in 7 - 12 business days
 $4.74
G3
Washer-lock 5/16
 $4.95

Part Number:936-0119

In Stock

In Stock

Note: for Faster Service Obtain Standard Nuts, Bolts and Washers Locally. if Items Cannot Be Obtained Locally, Order by Part Number an
 $4.95
In Stock
 $4.95
G4
Cover-trans Rear 1
 $10.46

Part Number:1916109001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.46
Usually ships in 7 - 12 business days
 $10.46
G5
Cover-trans Housin
 $25.17

Part Number:786-04359

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $25.17
Usually ships in 7 - 12 business days
 $25.17
G6
Gasket-gear Housin
 $6.96

Part Number:921-04229

In Stock

In Stock
 $6.96
In Stock
 $6.96
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
 $216.07

Part Number:919-04013

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $216.07
Usually ships in 7 - 12 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
 $23.25

Part Number:918-04435

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $23.25
Usually ships in 7 - 12 business days
 $23.25
G13
Screw-hhflg 5/16-
 $4.82

Part Number:710-04048

In Stock

In Stock
 $4.82
In Stock
 $4.82
G14
Hex Bolt 5/16-18 X .75
 $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)

How to Replace the Fuel Filters in Your Outdoor Power Equipment

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

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 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.

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.

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


No questions have been asked yet
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