Best Thirty Specifications - Best Thirty Specs

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1921 - 1925, Agricultural Crawler tractor
Production
Manufacturer: Best
Factory: San Leandro, California, USA
Dimensions & Tires
Weight: 7400 lbs [3356 kg]
Front tire: tracks
Rear tire: tracks
Best Thirty Power
Plows: 4
Drawbar (tested): 33.21 hp [24.8 kW]
Belt (tested): 37.83 hp [28.2 kW]
Mechanical
Chassis: crawler
Cab: Open operator station.
Belt Pulley
Diameter: 12 inches [30 cm]
Width: 7 inches [17 cm]
RPM: 800
Speed: 2513 ft/min [765.96 meters/min]
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Bore/Stroke: 4.75x6.50 inches [121 x 165 mm]
Rated RPM: 850
Engine Detail
Best, gasoline, 4-cylinder, liquid-cooled, 461 ci [7.6 L]
Transmission
Type: gear
Gears: 2 forward and 1 reverse
Dimensions
Weight: 7400 lbs [3356 kg]
Width: 53.25 inches [135 cm]
Height: 59 inches [149 cm]
Best Thirty Tires
Ag front: 43.75, 60.75-inch tracks
Ag rear: 43.75, 60.75-inch tracks