- information on all makes and models of tractors
Tractors > Allis Chalmers > D21 Series II

Allis Chalmers D21 Series II

Allis Chalmers D21 Series II tractor photo
1963 - 1969   D Series
Model years
Row-Crop tractor
Next model:Allis Chalmers 220

The upgraded D21 II began at serial number 2201 in 1965.


Manufacturer:Allis Chalmers
Factory:West Allis, Wisconsin, USA
Total built:2,409
Original price (USD)
   $10,500 (1969 )

Allis Chalmers D21 Engine:

   Allis Chalmers 7.0L 6-cyl diesel
full engine details ...


Fuel:52 gal [196.8 L]

3-Point Hitch:

Rear Type:III/II

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:1000

Dimensions & Tires:

Wheelbase:96.1 inches [244 cm]
Weight:9500 to 11700 pounds
Front tire:7.50x20
Rear tire:18.4x34
full dimensions and tires ...

D21 Serial Numbers:

Location:Serial number on the left side of the Allis-Chalmers D21, stamped into the flange near the starter mounting.
photo of D21 serial number

1963: 100
1964: 1417
1965: 2079
1966: 2408
1967: 2863
1968: 3777
1969: 4498

how to read serial numbers...


Allis Chalmers D21 Power:

PTO (claimed):121 hp [90.2 kW]
Drawbar (tested):116.41 hp [86.8 kW]
PTO (tested):127.75 hp [95.3 kW]
power test details ...


Chassis:4x2 2WD
Brakes:band actuated disc
Cab:Open operator station.
Steering flow:5.25 gpm [19.9 lpm]
Steering press.:1300 psi [89.6 bar]


Charging system:Delco-Remy generator
Charging amps:32



Page information:

Last update:June 9, 2017
Copyright:Copyright 2017 TractorData LLC
©2000-2017 - TractorData™. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.