Best

Best Sixty

The Best Sixty is an agricultural crawler tractor produced from 1919 to 1925 by Best in San Leandro, CA. It features a Best 18.5L 4-cylinder gasoline liquid-cooled engine rated at 650 RPM. The tractor offers 2-speed and 3-speed gear transmission options with crawler drive and an open operator station. It weighs 17,500 lbs and measures 140 inches in length, 90 inches in width, and 76.5 inches in height. The tractor is capable of pulling 9 14-inch plows and has tested drawbar power of 56 hp and belt power of 73 hp.
Power62 hp[B]
Founded1919 - 1925
ModelSixty

Technical Specifications

Detailed specifications and technical data for Best Sixty

Power
Plows9 (14-inch)
Belt (tested)73 hp (54.4 kW)
Drawbar (tested)56 hp (41.8 kW)
Engine
DetailsBest gasoline 4-cylinder liquid-cooled
Rated RPM650
Bore/Stroke6.50x8.50 inches (165 x 216 mm)
Displacement1128.2 ci (18.5 L)
Engine modelBest 18.5L 4-cyl gasoline
Dimensions
Width90 inches (228 cm)
Height76.5 inches (194 cm)
Length140 inches (355 cm)
Weight17500 lbs (7938 kg)
Mechanical
Drivecrawler
Operator stationOpen operator station.
Production
TypeAgricultural Crawler tractor
Built inSan Leandro, CA
Years produced1919 - 1925
Belt Pulley
RPM650
Speed2720 ft/min (829.06 meters/min)
Width12 inches (30 cm)
Diameter16 inches (40 cm)
Transmission
2-speed gear
Typegear
Gears2 forward and 1 reverse
3-speed gear
Typegear
Gears3 forward and 1 reverse
Transmission options2-speed gear, 3-speed gear