Allis Chalmers Hd21 Production
Manufacturer: Allis Chalmers
Factory: Springfield, Illinois, USA
Years Built: 1954 – 1965
Allis Chalmers Hd21 Engine
Allis-Chalmers, diesel, 6-cylinder, liquid-cooled vertical I-head, 844 ci [13.8 L]
Power: 172 hp [128.3 kW]
Drawbar: 147.2 hp [109.8 kW]
Bore: 5.25×6.50 inches [133 x 165 mm]
Air Cleaner: oil bath
Compression: 13.3:1
Rated RPM: 1800
Starter volts: 24
Allis Chalmers Hd21 Transmission
Transmission: torque converter
Gears: 2 forward and 1 reverse
Speeds:
Allis Chalmers Hd21 Dimensions
Wheelbase: 64 inches [162 cm]
Weight: 44,000 lbs [19958 kg]
Allis Chalmers Hd21 Mechanical
Chassis: crawler
Steering: power
Brakes: contracting band
Cab: Open operator station.
Allis Chalmers Hd21 Hydraulics
HydraulicsType: open center
HydraulicsValves: 1 to 3
HydraulicsPumpFlow: 15 gpm [56.8 lpm]