Comparing the Hart-Parr 30 and the John Deere Unstyled D (1923-1939)

This page provides a detailed comparison of the specifications for the Hart-Parr 30 and the John Deere Unstyled D (1923-1939). Explore key differences and similarities across various aspects, including Operating Weight, Cylinders and Type.

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John Deere Unstyled D (1923-1939) Tractor
John Deere Unstyled D (1923-1939) Tractor
John Deere Unstyled D (1923-1939) Tractor
John Deere Unstyled D (1923-1939) Tractor
John Deere Unstyled D (1923-1939) Tractor
SpecificationHart-Parr 30John Deere Unstyled D (1923-1939)
General Information
Manufacturer
Hart-Parr
John Deere
Model
30
Unstyled D (1923-1939)
Category
Utility, Standard Tread
Utility, Standard Tread
Engine
Manufacturer
Hart-Parr
John Deere
Model
Unstyled D
Power Output
30hp
Rated RPM
750RPM
Cylinders
2
2
Displacement
464.6ci
501ci
Bore
6.5in
6.73in
Stroke
7in
7.01in
Transmission
Type
Gear
Unsynchronized gear
Dimensions & Weight
Length
141in
129.9in
Width
76in
55.9in
Height
61in
61in
Operating Weight
5,450lb
5,886lb
Hydraulics
Steering Type
Manual
Manual
Hitch & Towing
Hitch Category
III
Chassis & Drive
Chassis Type
4x2 2WD
4x2 2WD
Drive Type
2WD
2WD
Steering Type
Manual
Manual
Electrical
Starter Type
Electric
Capacities
Coolant
56qts
Operator Station
Type
Open