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Caterpillar Thirty

Caterpillar Thirty tractor
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The Caterpillar Thirty is an agricultural crawler tractor produced from 1925 to 1938 by Caterpillar. It features a 7.6L 4-cylinder gasoline engine with an estimated 40.4 hp engine power for comparison. The tractor was manufactured in San Leandro, California and Peoria, Illinois, USA. It has a crawler drive with an open operator station and offers 3-speed and 5-speed gear transmission options. The tractor's drawbar power is tested at 30.88 hp and belt power at 36.37 hp. Track widths vary from 13 to 30 inches, and the gauge ranges from 43.75 to 60.75 inches. The belt pulley diameter is 12 inches with a width of 8.5 inches and runs at 840 RPM. The Caterpillar Thirty is a continuation of the Best model Thirty, which had been in production since 1921.
Caterpillar ThirtyCaterpillar tractoragricultural crawler tractor7.6L engine3-speed transmission5-speed transmissiontractor specifications
Power40 hp[B]
Founded1925 - 1938
ModelThirty

Technical Specifications

Detailed specifications and technical data for Caterpillar Thirty

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
Aux. fuel:2.6 gal (9.8 L)
Fuel tank:37.5 gal (141.9 L)
Rated RPM:1400
Air cleaner:oil bath
Bore/Stroke:4.75x6.50 inches (121 x 165 mm)
Fuel system:Zenith K5A carburetor
Displacement:461 ci (7.6 L)
Engine Detail:Caterpillar gasoline 4-cylinder liquid-cooled

Dimensions

Gauge:43.75 inches (111 cm), 60.75 inches (154 cm)
Tracks Widths:13 inches (33 cm), 16 inches (40 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm)

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Factories:San Leandro, California, USA; Peoria, Illinois, USA
Description:The Caterpillar model Thirty is a continuation of the Best model Thirty, which had been in production since 1921
Manufacturer:Caterpillar
Years produced:1925 - 1938

Belt Pulley

RPM:840
Width:8.5 inches (21 cm)
Diameter:12 inches (30 cm)

Transmission

Type:gear
Clutch:dry disc
Gears (3-speed):3 forward and 1 reverse
Gears (5-speed):5 forward and 1 reverse
Transmission options:3-speed gear, 5-speed gear

Related Models

Caterpillar R4

Model:R4