Comparing the Allis Chalmers HD21 and the John Deere 8R 250

This page provides a detailed comparison of the specifications for the Allis Chalmers HD21 and the John Deere 8R 250. 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 8R 250
General Information
Manufacturer
Allis Chalmers
John Deere
Model
HD21
8R 250
Category
Row Crop
Engine
Manufacturer
Allis-Chalmers
John Deere
Model
RG6090U094226
Power Output
225hp
225.37hp
Rated RPM
1,800RPM
Cylinders
6
6
Displacement
844ci
548ci
Bore
5.25in
4.66in
Stroke
6.5in
5.35in
Transmission
Type
Torque Converter
Full Power Shift, e23 Transmission
Dimensions & Weight
Length
198in
252.8in
Height
99in
137.8in
Operating Weight
45,500lb
27,405lb
Hydraulics
System Type
Closed-Center Pressure Flow Compensated
Steering Type
Power
Hitch & Towing
Hitch Type
Three-Point Hitch Category III/IIIN
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity
20,254lb
Chassis & Drive
Chassis Type
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
80qts
Operator Station
Type
Cab