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]