best thirty
 | 1921 - 1925
Agricultural Crawler tractor | 1921 - 1925 | Agricultural Crawler tractor |
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1921 - 1925 | |||
Agricultural Crawler tractor | |||
1921 - 1925 | |
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Agricultural Crawler tractor |
Production | |
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Manufacturer | Best |
Agricultural Crawler tractor | |
Built in San Leandro, California, USA | |
Best Thirty Engine | |
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Best 7.6L 4-cyl gasoline | |
Engine details ...  |
Best Thirty Transmissions | |
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2-speed gear | |
3-speed gear | |
Transmission details ...  |
Best Thirty Power | |
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Plows | 4 |
Drawbar (tested) | 33.21 hp
24.8 kW |
Belt (tested) | 37.83 hp
28.2 kW |
Performance test details ...  | |
Mechanical | |
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Drive | crawler |
Open operator station. | |
Photos | |
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 | |
Best Thirty photos...  |
Dimensions & Tracks | |
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Weight | 7400 lbs
3356 kg |
Tracks | |
Full dimensions and tracks ...  | |
Belt Pulley | |
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Diameter | 12 inches
30 cm |
Width | 7 inches
17 cm |
RPM | 800 |
Speed | 2513 ft/min
765.96 meters/min |