Comparing the Allis Chalmers HD15 and the Challenger 55

This page provides a detailed comparison of the specifications for the Allis Chalmers HD15 and the Challenger 55. Explore key differences and similarities across various aspects, including Operating Weight, Cylinders and Type.

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Challenger 55 Tractor
Challenger 55 Tractor
Challenger 55 Tractor
Challenger 55 Tractor
SpecificationAllis Chalmers HD15Challenger 55
General Information
Manufacturer
Allis Chalmers
Challenger
Model
HD15
55
Engine
Manufacturer
General Motors
Caterpillar
Model
3126
Rated RPM
1,600RPM
2,100RPM
Cylinders
6
6
Displacement
426ci
442ci
Bore
4.25in
4.33in
Stroke
5in
5in
Transmission
Type
Constant Mesh
Full Power Shift
Dimensions & Weight
Length
181in
211in
Width
96.75in
Height
95in
125in
Operating Weight
30,895lb
26,000lb
Hydraulics
System Type
Variable-Displacement Load-Sensing Pressure-Compensated
Steering Type
Hydraulic
Differential Power
Hitch & Towing
Hitch Type
Three-Point Hitch
Hitch Category
III
Hitch Position
Rear
Chassis & Drive
Steering Type
Hydraulic
Differential Power
Electrical
Starter Type
Electric Starter
Electric
Capacities
Coolant
47qts
34.4qts
Operator Station
Type
Cab