Allis Chalmers D21 Series I

Allis Chalmers D21 Series I Production

Manufacturer: Allis Chalmers

Factory: West Allis, Wisconsin, USA

Years Built: 1963 – 1969

Allis Chalmers D21 Series I Engine

Allis Chalmers 3400, diesel, 6-cylinder, liquid-cooled, 426 ci [7.0 L]

Power: 63 hp [47.0 kW]

Drawbar: 93.09 hp [69.4 kW]

Bore: 4.25×5.00 inches [108 x 127 mm]

Air Cleaner: dry

Compression: 16.0:1

Rated RPM: 2200

Starter volts: 12

Allis Chalmers D21 Series I Transmission

Transmission: Power Director

Gears: 8 forward and 2 reverse

Speeds: With 18.4×34 rear tires.

Allis Chalmers D21 Series I Dimensions

Wheelbase: 96.1 inches [244 cm]

Weight: 9500 to 11700 pounds

Allis Chalmers D21 Series I Mechanical

Chassis: 4×2 2WD

Steering: power

Brakes: band actuated disc

Cab: Open operator station.

Allis Chalmers D21 Series I Hydraulics

HydraulicsType: open center

HydraulicsValves: 1

HydraulicsPumpFlow: 10.5 gpm [39.7 lpm] (main pump Series IV)