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You can find a detailed comparison of the Bobcat 643 and the Bobcat S66 below. You can also click on the model names in the first row to view more specifications for each model.
Horsepower
Bobcat 64328.5 HP
Bobcat S6674.0 HP
Rating Operating Capacity (50% Tipping)
Bobcat 6431000 lbs
Bobcat S662400 lbs
Operating Weight
Bobcat 6434200 lbs
Bobcat S667154 lbs
Tipping Load
Bobcat 6432200 lbs
Bobcat S664800 lbs
| Specification | ![]() | ![]() |
|---|---|---|
| Type | Skid steer | Skid steer |
| Lift Design | Radial | Vertical |
| Years Made | 1981-1986 | 2020-2022 |
| Horsepower | 28.5 HP | 74.0 HP |
| Rating Operating Capacity (35% Tipping) | 720 lbs | — |
| Rating Operating Capacity (50% Tipping) | 1000 lbs | 2400 lbs |
| Operating Weight | 4200 lbs | 7154 lbs |
| Tipping Load | 2200 lbs | 4800 lbs |
| Lift Breakout Force | — | 4950 lbs |
| Tilt Breakout Force | — | 5400 lbs |
| Pump Flow | 9.5 GPM | 17.6 GPM |
| Optional Flow | N/A | 26.9 GPM |
| Bucket Hinge Pin | 109.0 in. | 120.0 in. |
| Width | 54.0 in. | 64.6 in. |
| Dump Height | 86.3 in. | — |
| Dump Reach | 21.8 in. | 34.2 in. |
Need a broader comparison?
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You can also use our full comparison tool to compare more machines side by side.





