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Caterpillar R4

Caterpillar R4 tractor
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The Caterpillar R4 was an agricultural crawler tractor produced from 1938 to 1944. It was a continuation of the model Thirty and built in Peoria, Illinois, USA. It featured a Caterpillar 7.6L 4-cylinder gasoline engine, a 5-speed gear transmission, and an open operator station. The R4 was designed for agricultural use with crawler drive and had tested drawbar power of 30.88 hp and belt power of 36.37 hp.
Caterpillar R4tractorcrawler tractoragricultural tractorCaterpillar engine7.6L engine5-speed transmissiontractor specifications
Power40 hp[B]
Founded1938 - 1944
ModelR4

Technical Specifications

Detailed specifications and technical data for Caterpillar R4

Power

Belt (tested):36.37 hp (27.1 kW)
Drawbar (tested):30.88 hp (23.0 kW)

Engine

Type:Caterpillar 7.6L 4-cyl gasoline
Details:Caterpillar gasoline 4-cylinder liquid-cooled
Rated RPM:1400
Bore/Stroke:4.75x6.50 inches (121 x 165 mm)
Displacement:461 ci (7.6 L)

Mechanical

Drive:crawler
Operator station:Open operator station.

Production

Type:Agricultural Crawler tractor
Notes:The Caterpillar R4 was a continuation of the model Thirty.
Built in:Peoria, Illinois, USA
Years produced:1938 - 1944

Transmission

Type:gear
Gears:5 forward and 1 reverse

Related Models

Caterpillar Thirty

Model:Thirty