IH produced the Farmall 400 from
1954-1956. It has a 263.9 cid engine and weighs approximately 6,519
lbs. The 400 is virtually the same as the Farmall M, but with
increased horsepower. It was one of the first competators to the John
Deere 70. The 400 has 5 forward gears and 1 reverse gear. There were
about 40,957 Farmall 400's produced from 1954 to 1956.
Farmall 400 Serial Numbers
The serial number is located on a silver plate on
the left side of the clutch housing.
SERIAL NUMBER.................................YEAR