Comparing the Allis Chalmers D21 Series I and the John Deere 4420

This page provides a detailed comparison of the specifications for the Allis Chalmers D21 Series I and the John Deere 4420. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

SpecificationAllis Chalmers D21 Series IJohn Deere 4420
General Information
Manufacturer
Allis Chalmers
John Deere
Model
D21 Series I
4420
Category
Row Crop
Row Crop
Engine
Manufacturer
Allis Chalmers
John Deere
Model
3400
John Deere
Power Output
103hp
102hp
Rated RPM
2,200RPM
2,500RPM
Cylinders
6
6
Displacement
426ci
329ci
Bore
4.25in
4.02in
Stroke
5in
4.33in
Transmission
Type
Sliding gear with dry disc clutch
Syncro-Range
Dimensions & Weight
Length
160.6in
168.1in
Width
91.6in
Height
106.6in
82.3in
Operating Weight
9,500lb
8,283lb
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
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
5.25gal
5.15gal
Operator Station
Type
Open
Open