Comparing the Allis Chalmers D21 Series I and the John Deere 6506

This page provides a detailed comparison of the specifications for the Allis Chalmers D21 Series I and the John Deere 6506. Explore key differences and similarities across various aspects, including Power Output, Operating Weight and Cylinders.

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John Deere 6506 Tractor
John Deere 6506 Tractor
John Deere 6506 Tractor
John Deere 6506 Tractor
John Deere 6506 Tractor
SpecificationAllis Chalmers D21 Series IJohn Deere 6506
General Information
Manufacturer
Allis Chalmers
John Deere
Model
D21 Series I
6506
Category
Row Crop
Engine
Manufacturer
Allis Chalmers
John Deere
Model
3400
6068
Power Output
103hp
105hp
Rated RPM
2,200RPM
2,300RPM
Cylinders
6
6
Displacement
426ci
414.1ci
Bore
4.25in
4.19in
Stroke
5in
5in
Transmission
Type
Sliding gear with dry disc clutch
Partial Power Shift
Dimensions & Weight
Length
160.6in
177.2in
Width
91.6in
Height
106.6in
110.6in
Operating Weight
9,500lb
10,250lb
Hydraulics
Steering Type
Power
Hitch & Towing
Hitch Type
Three-Point Hitch
Hitch Category
III/II
Category 3
Hitch Position
Rear
Chassis & Drive
Chassis Type
4x2 2WD
Drive Type
2WD
Steering Type
Power
Brake Type
Band actuated disc
Electrical
Starter Type
Electric
Electric
Capacities
Coolant
21qts
Operator Station
Type
Open