Allis Chalmers

HD-21 Series B

Farm tractor · 1969–1974 · 273 hp

Allis ChalmersHD-21 Series B
EngineTransmissionElectricalMore Allis Chalmers

The Allis Chalmers HD-21 Series B is a farm tractor manufactured from 1969 to 1974. It features a Allis Chalmers 21000 II engine. The transmission is a power shift type with 2 forward and reverse.

Engine

EngineAllis Chalmers 21000 II
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement844 ci (13.8 L)
Bore5.25 in (133 mm)
Stroke6.5 in (165 mm)
Power Gross273 hp (203.6 kW)
Power Rated273 hp (203.6 kW)
Starter Volts24
Starter Typeelectric
ManufacturerAllis Chalmers

Transmission

Transmission Typepower shift
Gears2 forward and reverse
Available Options2-speed power shift

Electrical

Charging Amps20
Charging Systemalternator