I-400 (1966-1968)

add yours to registry

add/remove from wishlist - view your list

add tractor information

Tractor Info


Allis-Chalmers built these tractors for various commerical and industrial applications. These tractors could include various industrial machines and could be adapted to numorous field applications. Some factory equipment options included a box scraped, front-end loader, backhoe, post hole digger, and more.

Tractor Info

Engine: AC


Bore & Stroke:


CID: 149

Fuel: Gas

Main Fuel Tank Cap:

Aux Fuel Tank Cap:


Cooling Capacity:

Drawbar HP: 41

Belt PTO HP:

Weight: 3,980 lbs

Length: inches

Width: inches

Height: inches

Number of Gears:


1966: 1003

1967: 1281

1968: 1495

Location: Left front end of the torque housing

Content contributed by:

Last Updated: September 16th, 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!