Comparing the Allis Chalmers HD21 and the John Deere 8400T

This page provides a detailed comparison of the specifications for the Allis Chalmers HD21 and the John Deere 8400T. 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 8400T
General Information
Manufacturer
Allis Chalmers
John Deere
Model
HD21
8400T
Engine
Manufacturer
Allis-Chalmers
John Deere
Model
Serial No.*RG6081 H040198*
Power Output
225hp
226.73hp
Rated RPM
1,800RPM
2,000RPM
Cylinders
6
6
Displacement
844ci
496ci
Bore
5.25in
4.57in
Stroke
6.5in
5.08in
Transmission
Type
Torque Converter
Full powershift
Dimensions & Weight
Length
198in
207in
Width
103.7in
Height
99in
122.9in
Operating Weight
45,500lb
25,000lb
Hydraulics
System Type
Closed center pressure-flow compensated (PFC)
Steering Type
Hydrostatic power
Hitch & Towing
Hitch Type
Three-Point Hitch
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity
15,650lb
Chassis & Drive
Chassis Type
Crawler
Drive Type
Track
Steering Type
Hydrostatic power
Brake Type
Hydraulic wet disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
80qts
35.9qts
Operator Station
Type
Cab