Comparing the Allis Chalmers HD20 and the John Deere 9420R

This page provides a detailed comparison of the specifications for the Allis Chalmers HD20 and the John Deere 9420R. Explore key differences and similarities across various aspects, including Operating Weight, Cylinders and Type.

Image Gallery
Allis Chalmers HD20 Tractor
Allis Chalmers HD20 Tractor
Allis Chalmers HD20 Tractor
Allis Chalmers HD20 Tractor
Allis Chalmers HD20 Tractor
Allis Chalmers HD20 Tractor
Image Gallery
John Deere 9420R Tractor
John Deere 9420R Tractor
John Deere 9420R Tractor
John Deere 9420R Tractor
SpecificationAllis Chalmers HD20John Deere 9420R
General Information
Manufacturer
Allis Chalmers
John Deere
Model
HD20
9420R
Engine
Manufacturer
General Motors
John Deere
Model
John Deere Diesel six-cylinder vertical with two turbochargers, air-to-air aftercooler, and D.E.F (Diesel Exhaust Fluid) exhaust treatment
Rated RPM
1,700RPM
2,100RPM
Cylinders
6
6
Displacement
660ci
826ci
Bore
5in
5.2in
Stroke
5.6in
6.5in
Transmission
Type
Torque converter
Selective gear fixed ratio with full range operator controlled power shift
Dimensions & Weight
Length
191in
314.3in
Width
176in
Height
95in
145in
Operating Weight
41,000lb
42,965lb
Hydraulics
System Type
Closed-center pressure/flow compensated
Hitch & Towing
Hitch Type
Category 4N, Category 4
Hitch Category
IV
Hitch Position
Rear
Electrical
Starter Type
24 volts
12 volt electric
Capacities
Coolant
60qts
67.1qts
Operator Station
Type
Cab