Caterpillar R3 Production
Manufacturer: Caterpillar
Factory: Peoria, Illinois, USA
Years Built: 1934 – 1935
Caterpillar R3 Engine
Caterpillar, gasoline, 4-cylinder, liquid-cooled, 350 ci [5.7 L]
Power: 240 hp [179.0 kW]
Drawbar: 34.44 hp [25.7 kW]
Bore: 4.50×5.50 inches [114 x 140 mm]
Air Cleaner: oil bath
Compression: 15.7:1
Rated RPM: 1100
Starter volts: 2-cylinder pony engine
Caterpillar R3 Transmission
Transmission: powershift
Gears: 3 forward and 1 reverse
Speeds:
Caterpillar R3 Dimensions
Wheelbase: 85.625 inches [217 cm]
Weight: 6,000 lbs [2721 kg]
Caterpillar R3 Mechanical
Chassis: crawler
Steering: manual clutches
Brakes: contracting band
Cab: Open operator station.
Caterpillar R3 Hydraulics
HydraulicsType: closed center load sensing
HydraulicsValves: 5
HydraulicsPumpFlow: 26.4 gpm [99.9 lpm]