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Caterpillar Forty

Caterpillar Forty tractor
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The Caterpillar Forty is an agricultural crawler tractor produced from 1934 to 1936 by Caterpillar in Peoria, Illinois, USA. It features a 4-cylinder, liquid-cooled gasoline engine with 8.0 L displacement, a 4-speed gear transmission with 1 reverse, and delivers tested drawbar power of 48.91 hp and belt power of 56.42 hp. The tractor has a crawler drive with 16-inch tracks and an open operator station. It weighs 13625 lbs and has a gauge of 56 inches. Variants include the Forty with a gas engine and the Diesel Forty with a diesel engine.
Caterpillar Fortytractorcrawler tractoragricultural tractorCaterpillar enginetractor specifications1934 tractor1935 tractor1936 tractor
Power54 hp[B]
Founded1934 - 1936
ModelForty

Technical Specifications

Detailed specifications and technical data for Caterpillar Forty

Power

Belt (tested):56.42 hp (42.1 kW)
Drawbar (tested):48.91 hp (36.5 kW)

Engine

Make:Caterpillar
Type:gasoline
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:850
Bore/Stroke:5.125x6.50 inches (130 x 165 mm)
Displacement:485.3 ci (8.0 L)

Tracks

Track width:16 inches (40 cm)

Variants

Forty:gas engine
Diesel Forty:diesel engine

Dimensions

Gauge:56 inches (142 cm)
Weight:13625 lbs (6180 kg)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Peoria, Illinois, USA
Manufacturer:Caterpillar
Years produced:1934 - 1936

Transmission

Type:gear
Gears:4 forward and 1 reverse

Serial Numbers

1934:5G1
1935:5G43
1936:5G434
Final:5G584