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Caterpillar Seventy

Caterpillar Seventy tractor
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The Caterpillar Seventy is an agricultural crawler tractor produced from 1933 to 1937 by Caterpillar in Peoria, Illinois, USA. It features a 21.5L 4-cylinder gasoline engine with an estimated 77.8 hp engine power for comparison. The tractor has a 6-speed gear transmission with 2 reverse gears, a crawler drive, and an open operator station. It weighs 32,000 lbs and runs on 18-inch wide tracks. Total production was 266 units.
Caterpillar Seventytractorcrawler tractor21.5L engine6-speed transmissionagricultural tractor19331937specifications
Power77 hp[B]
Founded1933 - 1937
ModelSeventy

Technical Specifications

Detailed specifications and technical data for Caterpillar Seventy

Power

Belt (tested):82.4 hp (61.4 kW)
Belt (claimed):70 hp (52.2 kW)
Drawbar (tested):72.73 hp (54.2 kW)

Engine

Type:Caterpillar 21.5L 4-cyl gasoline
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:700
Bore/Stroke:7.00x8.50 inches (178 x 216 mm)
Displacement:1310 ci (21.5 L)

Tracks

Width:18 inches (45 cm)

Dimensions

Weight:32000 lbs (14515 kg)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Peoria, Illinois, USA
Total built:266
Years produced:1933 - 1937

Transmission

Type:gear
Gears:6 forward and 2 reverse

Related Models

Caterpillar Seventy-Five

Model:Seventy-Five