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Years in Production / 1919–1925
Best
Sixty
Explore the specifications, hardware, and original references for the Best Sixty.

No photo
62hp
Engine estimate · from belt
Tracks
Drive
1919–1925
Production years
Best
Manufacturer
Sixty / 01
At a glance
Production
Agricultural Crawler tractor
Built in San Leandro, CA
- Manufacturer
- Best
Mechanical
Open operator station.
- Drive
- crawler
Belt Pulley
- Diameter
- 16 inches40 cm
- Width
- 12 inches30 cm
- Rpm
- 650
- Speed
- 2720 ft/min829.06 meters/min
Sixty / 02
Under the hood
Engine Detail
Best
gasoline
4-cylinder
liquid-cooled
- Displacement
- 1128.2 ci18.5 L
- Bore Stroke
- 6.50x8.50 inches165 x 216 mm
- Rated Rpm
- 650
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Sixty / 03
Gears & controls
Transmission (Option 1)
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
Transmission (Option 2)
- Transmission Type
- gear
- Gears
- 3 forward and 1 reverse
Sixty / 04
Size. Stance. Footprint.
Tires And Tracks
Tracks
- Weight
- 17500 lbs7938 kg
Sixty / 05
Tests (NTTL)
Nebraska Tractor Test 76
Gasoline 2-speed crawlerMay 6 - 24, 1921
Drawbar performance
- Id
- 76
- Belt Power Max
- 56 hp41.8 kW
- Max Power
- 50 hp37.3 kW
- Max Pull
- 11,000 lbs4989 kg
Nebraska Tractor Test 98
Gasoline 3-speed crawlerSeptember 10 - 14, 1923
Drawbar performance
- Id
- 98
- Belt Power Max
- 66 hp49.2 kW
- Max Power
- 56 hp41.8 kW
- Max Pull
- 11295 lbs5123 kg
Nebraska Tractor Test 105
Gasoline 3-speed crawlerSeptember 15 - 29, 1924
Drawbar performance
- Id
- 105
- Belt Power Max
- 73 hp54.4 kW
- Max Pull
- 12360 lbs5606 kg