Comparing the Allis Chalmers D21 Series I and the John Deere 3440

This page provides a detailed comparison of the specifications for the Allis Chalmers D21 Series I and the John Deere 3440. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

SpecificationAllis Chalmers D21 Series IJohn Deere 3440
General Information
Manufacturer
Allis Chalmers
John Deere
Model
D21 Series I
3440
Category
Row Crop
Utility
Engine
Manufacturer
Allis Chalmers
John Deere
Model
3400
Power Output
103hp
102hp
Rated RPM
2,200RPM
2,200RPM
Cylinders
6
6
Displacement
426ci
359ci
Bore
4.25in
4.19in
Stroke
5in
4.33in
Transmission
Type
Sliding gear with dry disc clutch
Syncro-Range
Dimensions & Weight
Length
160.6in
158.7in
Width
91.6in
94.1in
Height
106.6in
91.3in
Operating Weight
9,500lb
9,140lb
Hydraulics
Steering Type
Power
Hitch & Towing
Hitch Type
Three-Point Hitch
Hitch Category
III/II
Hitch Position
Rear
Chassis & Drive
Chassis Type
4x2 2WD
4x2 2WD
Drive Type
2WD
2WD
Steering Type
Power
Brake Type
Band actuated disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
21qts
21.1qts
Operator Station
Type
Open
Open operator station with ROPS