Thirty by Best

Best Thirty tractor

1921 - 1925

1921 - 1925 Agricultural Crawler tractor

Production

Production Manufacturer:Best
Type:Agricultural Crawler tractor
Factory:San Leandro, California, USA

Best Thirty Power

Best Thirty Power Plows:4
Drawbar (tested):33.21 hp
24.8 kW
Belt (tested):37.83 hp
28.2 kW
power test details ...

1921 - 1925

1921 - 1925
Agricultural Crawler tractor

Nebraska Tractor Test 77

Nebraska Tractor Test 77
2-speed crawler
May 9 - 20, 1921
Link: Nebraska Tractor Test 77 file
Belt power (max):30.43 hp
22.7 kW
Drawbar performance
Max power:24.53 hp
18.3 kW
Max pull:4343 lbs
1969 kg

Nebraska Tractor Test 99

Nebraska Tractor Test 99
2-speed crawler
September 11 - 24, 1923
Link: Nebraska Tractor Test 99 file
Belt power (max):32.55 hp
24.3 kW
Drawbar performance
Max power:25.96 hp
19.4 kW
Max pull:4930 lbs
2236 kg

Nebraska Tractor Test 104

Nebraska Tractor Test 104
3-speed crawler
September 15 - 22, 1924
Link: Nebraska Tractor Test 104 file
Belt power (max):37.83 hp
28.2 kW
Drawbar performance
Max power:33.21 hp
24.8 kW
Max pull:7563 lbs
3430 kg

Best Thirty Engine

Best Thirty Engine Best 7.6L 4-cyl gasoline Engine details ...

1921 - 1925

1921 - 1925
Agricultural Crawler tractor

Engine Detail

Engine Detail
Best
gasoline
4-cylinder
liquid-cooled
Displacement:461 ci
7.6 L
Bore/Stroke:4.75x6.50 inches
121 x 165 mm
Rated RPM:850

Mechanical

Mechanical Chassis:crawler
Cab:Open operator station.
Transmissions:2-speed gear
 3-speed gear
Transmission details ...

1921 - 1925

1921 - 1925
Agricultural Crawler tractor

Transmissions overview

Transmissions overview
2-speed gear
3-speed gear

Transmission

Transmission
Type:gear
Gears:2 forward and 1 reverse

Speeds

Speeds

Transmission

Transmission
Type:gear
Gears:3 forward and 1 reverse

Speeds

Speeds

Dimensions & Tracks

Dimensions & Tracks Weight:7400 lbs
3356 kg
43.75, 60.75-inch tracks Full dimensions and tracks ...

1921 - 1925

1921 - 1925
Agricultural Crawler tractor

Best Thirty Tracks

Best Thirty Tracks
Size:43.75, 60.75-inch tracks

Dimensions

Dimensions
Width:53.25 inches
135 cm
Height:59 inches
149 cm
Weight:7400 lbs
3356 kg

Belt Pulley

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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