Comparing the Allis Chalmers HD21 and the Deutz-Fahr AgroStar 8.31

This page provides a detailed comparison of the specifications for the Allis Chalmers HD21 and the Deutz-Fahr AgroStar 8.31. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

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Allis Chalmers HD21 Tractor
Allis Chalmers HD21 Tractor
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SpecificationAllis Chalmers HD21Deutz-Fahr AgroStar 8.31
General Information
Manufacturer
Allis Chalmers
Deutz-Fahr
Model
HD21
AgroStar 8.31
Category
Agricultural
Agricultural
Engine
Manufacturer
Allis-Chalmers
Deutz
Power Output
225hp
230hp
Rated RPM
1,800RPM
2,300RPM
Cylinders
6
6
Displacement
844ci
584ci
Bore
5.25in
4.92in
Stroke
6.5in
5.12in
Transmission
Type
Torque Converter
Manual
Dimensions & Weight
Length
198in
200in
Height
99in
120.87in
Operating Weight
45,500lb
19,293lb
Chassis & Drive
Chassis Type
4x4 MFWD 4WD
Drive Type
4WD
Electrical
Starter Type
Electric
Capacities
Coolant
20gal