Comparing the Allis Chalmers D12 and the Hart-Parr 30

This page provides a detailed comparison of the specifications for the Allis Chalmers D12 and the Hart-Parr 30. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

SpecificationAllis Chalmers D12Hart-Parr 30
General Information
Manufacturer
Allis Chalmers
Hart-Parr
Model
D12
30
Category
Row Crop
Utility, Standard Tread
Engine
Manufacturer
Allis-Chalmers
Hart-Parr
Model
Power-Crater
Power Output
31hp
30hp
Rated RPM
1,650RPM
750RPM
Cylinders
4
2
Displacement
149ci
464.6ci
Bore
3.5in
6.5in
Stroke
3.88in
7in
Transmission
Type
Sliding Gear
Gear
Dimensions & Weight
Length
121in
141in
Width
76in
Height
76.5in
61in
Operating Weight
2,800lb
5,450lb
Hydraulics
System Type
Live
Steering Type
Manual
Manual
Hitch & Towing
Hitch Type
Snap-Coupler
Hitch Category
I
Hitch Position
Rear
Chassis & Drive
Chassis Type
4x2 2WD
4x2 2WD
Drive Type
2WD
2WD
Steering Type
Manual
Manual
Electrical
Starter Type
Electric
Capacities
Coolant
8qts
Operator Station
Type
Open