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
| Plows | 9 (14-inch) |
|---|---|
| Belt (tested) | 73 hp (54.4 kW) |
| Drawbar (tested) | 56 hp (41.8 kW) |
Engine
| Details | Best gasoline 4-cylinder liquid-cooled |
|---|---|
| Rated RPM | 650 |
| Bore/Stroke | 6.50x8.50 inches (165 x 216 mm) |
| Displacement | 1128.2 ci (18.5 L) |
| Engine model | Best 18.5L 4-cyl gasoline |
Dimensions
| Width | 90 inches (228 cm) |
|---|---|
| Height | 76.5 inches (194 cm) |
| Length | 140 inches (355 cm) |
| Weight | 17500 lbs (7938 kg) |
Mechanical
| Drive | crawler |
|---|---|
| Operator station | Open operator station. |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Built in | San Leandro, CA |
| Years produced | 1919 - 1925 |
Belt Pulley
| RPM | 650 |
|---|---|
| Speed | 2720 ft/min (829.06 meters/min) |
| Width | 12 inches (30 cm) |
| Diameter | 16 inches (40 cm) |
Transmission
| 2-speed gear | Typegear Gears2 forward and 1 reverse |
|---|---|
| 3-speed gear | Typegear Gears3 forward and 1 reverse |
| Transmission options | 2-speed gear, 3-speed gear |
