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Allis Chalmers HD-21G

Allis Chalmers HD-21G tractor
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The Allis Chalmers HD-21G is a crawler loader produced from 1956 to 1966. It features a powerful 13.8L 6-cylinder diesel engine delivering 225 hp (167.8 kW) net power. The transmission is a 2-speed torque converter with 2 forward and 1 reverse gears. The tractor has an open operator station and weighs 70,900 lbs (32,160 kg). Dimensions include a length of 263 inches (668 cm), width of 111 inches (281 cm), and height of 106 inches (269 cm) with a ground clearance of 16.4 inches (41 cm). Attachments include a front-end loader with a 50° dump angle and a bucket width of 108 inches (274 cm).
Allis Chalmers HD-21Gcrawler loadertractor specifications225 hp13.8L diesel enginetorque converter transmissionfront-end loader
Power-
Founded-
ModelHD-21G

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD-21G

Power

Engine (net):225 hp (167.8 kW)

Engine

Type:diesel
Model:Allis Chalmers 21000
Cooling:liquid-cooled
Starter:electric
Cylinders:6-cylinder
Bore/Stroke:5.25x6.50 inches (133 x 165 mm)
Power (net):225 hp (167.8 kW)
Displacement:844 ci (13.8 L)
Starter volts:24

Variants

HD-21GP:power shift

Dimensions

Width:111 inches (281 cm)
Height:106 inches (269 cm)
Length:263 inches (668 cm)
Weight:70900 lbs (32160 kg)
Ground clearance:16.4 inches (41 cm)

Mechanical

Operator station:Open operator station.

Production

Type:Crawler Loader
Years produced:1956 - 1966

References

Publications:HD-16G HD-21G published in 1961, by Allis Chalmers; Engineering-in-Action published in 1956, by Allis Chalmers

Attachments

Type:front-end loader
Bucket width:108 inches (274 cm)
Loader dump angle:50° dump

Transmission

Type:torque converter
Gears:2 forward and 1 reverse