Caterpillar

Caterpillar Twenty

The Caterpillar Twenty is an agricultural crawler tractor produced from 1927 to 1931 by Caterpillar. It features a 4-cylinder liquid-cooled gasoline engine with a displacement of 4.5 liters, producing an estimated 32.8 hp. The tractor has a 3-speed gear transmission with crawler drive and an open operator station. It was manufactured in San Leandro, California and Peoria, Illinois. In 1931, the model was renamed the Twenty-Five due to increased engine output.

Power32 hp[B]

Founded1927 - 1931

ModelTwenty

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Technical Specifications

Detailed specifications and technical data for Caterpillar Twenty

Power

Belt (tested)	29.49 hp (22.0 kW)
Drawbar (tested)	26.32 hp (19.6 kW)

Engine

Type	gasoline
Cooling	liquid-cooled
Cylinders	4-cylinder
Rated RPM	1100
Air cleaner	oil bath
Bore/Stroke	4.00x5.50 inches (102 x 140 mm)
Displacement	277 ci (4.5 L)

Dimensions

Operating weight	7700 lbs (3492 kg)

Mechanical

Drive	crawler
Operator station	Open operator station

Production

Notes	In 1931, the Caterpillar was renamed the Twenty-Five due to increased engine output.
Factories	San Leandro, California, USA; Peoria, Illinois, USA
Manufacturer	Caterpillar
Years produced	1927 - 1931

Transmission