Troy-Bilt 643B Super Bronco manual Models 643B, 643C, 643D & 645A

Models: 643B Super Bronco

1 32
Download 32 pages 47.48 Kb
Page 27
Image 27

MODELS 643B, 643C, 643D & 645A

8

6

2

FRONT

11

3

4

7

5

(A)For Model 643C

(B)For Model 643B

(C)For Model 645A

(D)For Model 643D

10

9

7

4

3

2

REF

PART NO.

DESCRIPTION

NO.

 

 

 

 

 

2

1909950

Retainer, Snap Ring

3

GW-1166-1*

Shim, 0.062" thick

 

GW-1166-2*

Shim, 0.030" thick

 

GW-1166-3*

Shim, 0.015" thick

 

GW-1166-4*

Shim, 0.010" thick

 

GW-1166-5*

Shim, 0.005" thick

4

GW-1086

Bronze Bushing

5

711-04512

Wheel Shaft (A)

 

711-04092

Wheel Shaft (B)

 

711-04486

Wheel Shaft (C)

 

711-04088

Wheel Shaft (D)

6

GW-9305

Key, Hi-Pro, 1/4 x 1

7

GW-1132-2

Spacer

8

717-04380

Worm Gear, Wheel Shaft

9

711-04078

Tiller Shaft

10

GW-1104

Woodruff Key

11

717-04381

Worm Gear, Tiller Shaft

 

 

 

* Use as required to obtain between .005” and .030” allowable end-play.

27

Page 27
Image 27
Troy-Bilt 643B Super Bronco manual Models 643B, 643C, 643D & 645A

643B Super Bronco specifications

The Troy-Bilt 643B Super Bronco represents a robust and versatile addition to the world of outdoor power equipment, designed with the needs of gardeners and landscapers in mind. This rear-tine tiller is a notable choice for those looking to cultivate their gardens efficiently and effectively.

One of the standout features of the Troy-Bilt 643B is its powerful 306cc OHV engine, which provides ample torque and ensures that the tiller can tackle tough soil conditions with ease. This engine is specifically designed for superior performance and reliability, allowing users to till effectively in a variety of soil types, from sandy loam to clay.

The tiller boasts a 12-inch tilling width and a tilling depth of up to 8 inches, making it ideal for preparing garden beds and landscaping areas. The adjustable tilling depth allows gardeners to customize their cultivation process, enabling them to penetrate deeper for planting larger crops or more shallow for seedbed preparation.

Equipped with a rear-tine design, the Super Bronco brings several advantages. The rear-tine configuration provides better control and stability while working, making it easier to maneuver in tight spaces. Furthermore, the counter-rotating tines help to break up compact soil while reducing the chances of soil clumping, resulting in a finer tilled surface.

Another remarkable feature is the Troy-Bilt patented "Smart Till" technology, which allows users to select the most suitable tilling method for their specific soil conditions. This innovative technology enhances efficiency, saves time, and ensures that the tiller delivers optimal results with every pass.

For ease of use, the tiller is equipped with large, easy-grip controls and a comfortable handlebar design that reduces fatigue during extended use. Additionally, the rugged construction and all-terrain tires enable the Troy-Bilt 643B to navigate challenging landscapes without issue.

The maintenance of the Super Bronco is user-friendly, with features that facilitate easy access to essential components for tune-ups and repairs. Overall, the Troy-Bilt 643B Super Bronco combines power, technology, and practicality, making it an excellent choice for both novice and experienced gardeners seeking to enhance their outdoor projects.