Caterpillar Twenty

Caterpillar Twenty Production

Manufacturer: Caterpillar

Factory: San Leandro, CA

Years Built: 1927 – 1931

Caterpillar Twenty Engine

Caterpillar, gasoline, 4-cylinder, 277 ci [4.5 L]

Power: 240 hp [179.0 kW]

Drawbar: 30.88 hp [23.0 kW]

Bore: 4.00×5.50 inches [102 x 140 mm]

Air Cleaner: oil bath

Compression: 15.7:1

Rated RPM: 1100

Starter volts: 2-cylinder pony engine

Caterpillar Twenty Transmission

Transmission: powershift

Gears: 5 forward and 1 reverse

Speeds: 

Caterpillar Twenty Dimensions

Wheelbase: 85.625 inches [217 cm]

Weight: 4,500 lbs [2041 kg]

Caterpillar Twenty Mechanical

Chassis: crawler

Steering: manual clutch

Brakes: contracting band

Cab: Open operator station.

Caterpillar Twenty Hydraulics

HydraulicsType: closed center load sensing

HydraulicsValves: 5

HydraulicsPumpFlow: 26.4 gpm [99.9 lpm]