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Caterpillar

Caterpillar Forty

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.
Power54 hp[B]
Founded1934 - 1936
ModelForty
Caterpillar Forty tractor
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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
MakeCaterpillar
Typegasoline
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM850
Bore/Stroke5.125x6.50 inches (130 x 165 mm)
Displacement485.3 ci (8.0 L)
Tracks
Track width16 inches (40 cm)
Variants
Fortygas engine
Diesel Fortydiesel engine
Dimensions
Gauge56 inches (142 cm)
Weight13625 lbs (6180 kg)
Mechanical
Drivecrawler
Operator stationOpen operator station
Production
TypeAgricultural Crawler tractor
Built inPeoria, Illinois, USA
ManufacturerCaterpillar
Years produced1934 - 1936
Transmission
Typegear
Gears4 forward and 1 reverse
Serial Numbers
19345G1
19355G43
19365G434
Final5G584

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