D-21 Series II (1963-1969)

add yours to registry

add/remove from wishlist - view your list

add tractor information

Tractor Info


Allis-Chalmers came out with this D series tractor to help suit the needs of larger farmers. It was. The first D sereis tractor, along side the D-17, to have a six cylinder engine. The D-17 was also the first Diesel tractor in the industry to come with a turbocharger, which boosted the horsepower and fuel economy. It was aviable as a gas, LP, and diesel model. In 1965 the Series II D-21 came out which was turbocharged.

Tractor Info

Engine: AC Injected Turbo Charged

Cylinders: 6

Bore & Stroke: 4.25 x 5.00

RPM: 2,200

CID: 426

Fuel: Diesel

Main Fuel Tank Cap: 52

Aux Fuel Tank Cap:

Carburetor: Injection Pump

Cooling Capacity:

Drawbar HP: 117.57

Belt PTO HP: 129.47

Weight: 10,675 lbs

Length: 160.6 inches

Width: 91.6 inches

Height: inches

Number of Gears: 8/2


Total Produced: 2,409

1965: 2201

1966: 2408

1967: 2863

1968: 3777

1969: 4498-4609

Location: Front of the torque housing on left side

Content contributed by:

Last Updated: November 15th, 2022

related models

help preserve the history of old iron

The Old Iron Database is community driven and growing. If you have photos, literature, history, specs, or additional content to share, we invite you to submit using the contribute form and help us build this new world of vintage iron!