Comparing the Allis Chalmers D21 Series I and the John Deere 4020

This page provides a detailed comparison of the specifications for the Allis Chalmers D21 Series I and the John Deere 4020. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

SpecificationAllis Chalmers D21 Series IJohn Deere 4020
General Information
Manufacturer
Allis Chalmers
John Deere
Model
D21 Series I
4020
Category
Row Crop
Industrial
Engine
Manufacturer
Allis Chalmers
John Deere
Model
3400
Power Output
103hp
101hp
Rated RPM
2,200RPM
2,200RPM
Cylinders
6
6
Displacement
426ci
404ci
Bore
4.25in
4.25in
Stroke
5in
4.75in
Transmission
Type
Sliding gear with dry disc clutch
Partially synchronized (Syncro-Range)
Dimensions & Weight
Length
160.6in
150.8in
Width
91.6in
89.4in
Height
106.6in
77.9in
Operating Weight
9,500lb
8,645lb
Hydraulics
System Type
Closed center
Steering Type
Power
Power
Hitch & Towing
Hitch Type
Three-Point Hitch
Three-Point Hitch
Hitch Category
III/II
II
Hitch Position
Rear
Rear
Hitch Capacity
3,790lb
Chassis & Drive
Chassis Type
4x2 2WD
4x2 2WD
Drive Type
2WD
2WD
Steering Type
Power
Power
Brake Type
Band actuated disc
Hydraulic wet disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
21qts
24qts
Operator Station
Type
Open
Open