Comparing the Allis Chalmers HD21 and the John Deere 7R 230

This page provides a detailed comparison of the specifications for the Allis Chalmers HD21 and the John Deere 7R 230. 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 HD21John Deere 7R 230
General Information
Manufacturer
Allis Chalmers
John Deere
Model
HD21
7R 230
Category
Row Crop
Engine
Manufacturer
Allis-Chalmers
John Deere
Power Output
225hp
227.56hp
Rated RPM
1,800RPM
1,701RPM
Cylinders
6
6
Displacement
844ci
414ci
Bore
5.25in
4.19in
Stroke
6.5in
5in
Transmission
Type
Torque Converter
Selective gear fixed ratio with full range operator controlled powershift
Dimensions & Weight
Length
198in
217in
Height
99in
Operating Weight
45,500lb
22,685lb
Hydraulics
System Type
Closed-center pressure flow compensated
Steering Type
Power
Hitch & Towing
Hitch Type
Category III/IIIN
Hitch Position
Rear
Chassis & Drive
Chassis Type
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
80qts