Comparing the Allis Chalmers 440 and the Allis Chalmers HD21

This page provides a detailed comparison of the specifications for the Allis Chalmers 440 and the Allis Chalmers HD21. 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
SpecificationAllis Chalmers 440Allis Chalmers HD21
General Information
Manufacturer
Allis Chalmers
Allis Chalmers
Model
440
HD21
Category
Utility
Engine
Manufacturer
Cummins
Allis-Chalmers
Model
555C
Power Output
218hp
225hp
Rated RPM
2,800RPM
1,800RPM
Cylinders
8
6
Displacement
555ci
844ci
Bore
4.63in
5.25in
Stroke
4.13in
6.5in
Transmission
Type
Eaton
Torque Converter
Dimensions & Weight
Length
228in
198in
Width
105in
Height
139in
99in
Operating Weight
20,230lb
45,500lb
Hydraulics
System Type
Open center
Steering Type
Articulated hydraulic power
Hitch & Towing
Hitch Type
Three-Point Hitch
Hitch Category
III/IV
Chassis & Drive
Chassis Type
4x4 articulated 4WD
Drive Type
MFWD 4WD
Steering Type
Articulated hydraulic power
Brake Type
Hydraulic disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
80qts
Operator Station
Type
Cab