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Allis Chalmers HD-21 Series B

Allis Chalmers HD-21 Series B tractor
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The Allis Chalmers HD-21 Series B is an industrial crawler tractor produced from 1969 to 1974. It features a powerful 273 hp turbocharged diesel engine, a 2-speed power shift transmission, and an open operator station. Designed for heavy-duty industrial applications, it is a robust crawler tractor built by Allis Chalmers.
Allis ChalmersHD-21 Series Bindustrial crawler tractor273 hp13.8L diesel enginepower shift transmission
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ModelHD-21 Series B

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD-21 Series B

Power

Engine power:273 hp (203.6 kW)

Engine

Type:turbocharged diesel
Model:Allis Chalmers 21000 II
Power:273 hp (203.6 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Bore/Stroke:5.25x6.50 inches (133 x 165 mm)
Displacement:844 ci (13.8 L)
Starter volts:24

Electrical

Charging amps:20
Charging system:alternator

Mechanical

Drive:crawler
Operator station:Open operator station

Production

Type:Industrial Crawler tractor
Manufacturer:Allis Chalmers
Years produced:1969 - 1974

Transmission

Type:power shift
Gears:2 forward and reverse

Related Models

Allis Chalmers HD-21

Model:HD-21