Comparing the Allis Chalmers 8550 and the Challenger 65D

This page provides a detailed comparison of the specifications for the Allis Chalmers 8550 and the Challenger 65D. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

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Allis Chalmers 8550 Tractor
Allis Chalmers 8550 Tractor
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SpecificationAllis Chalmers 8550Challenger 65D
General Information
Manufacturer
Allis Chalmers
Challenger
Model
8550
65D
Category
Utility
Engine
Manufacturer
Allis Chalmers
Caterpillar
Model
6120T
3306 DITA
Power Output
300hp
300hp
Rated RPM
2,500RPM
2,100RPM
Cylinders
6
6
Displacement
731ci
636ci
Bore
5.25in
4.75in
Stroke
6.25in
6in
Transmission
Type
Partial Power Shift
Full power shift
Dimensions & Weight
Length
285in
232in
Width
95.5in
120in
Height
139in
144in
Operating Weight
27,040lb
35,235lb
Hydraulics
System Type
Closed Center
Closed-center pressure-compensated
Steering Type
Hydrostatic Power
Hydrostatic differential steering
Hitch & Towing
Hitch Type
Three-Point Hitch
Three-Point Hitch
Hitch Category
IV/III
III
Hitch Position
Rear
Chassis & Drive
Chassis Type
4x4 Articulated 4WD
Drive Type
4WD
Steering Type
Hydrostatic Power
Hydrostatic differential steering
Brake Type
Hydraulic Wet Discs
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
72qts
44qts
Operator Station
Type
Acousta Cab II with heat and air-conditioning