International Harvester

84 Hydro (Row-Crop) (1978-1983)

add yours to registry

add/remove from wishlist - view your list

add tractor information

Tractor Info


The “84” series has seven different models, including the 67 PTO horsepower 784 shown here. Other styles include the 684 with 62 horsepower, the 52 horsepower 584 models, a 484 Utility with 38 horsepower, and the 36 horsepower 384 Utility model. The little 23.7 horsepower 140 is the smallest of the group and is the only style with a gasoline engine. All models carry four-cylinder engines except the 484 which uses an IH-built three-cylinder diesel having a179 CID.

Tractor Info

Engine: IH

Cylinders: 6

Bore & Stroke: 3.94x5.06

RPM: 2400

CID: 246

Fuel: Diesel

Main Fuel Tank Cap:

Aux Fuel Tank Cap:


Cooling Capacity:

Drawbar HP:

Belt PTO HP:

Weight: 5720 lbs

Length: 139 inches

Width: 75 inches

Height: inches

Number of Gears: Hydro


1978: 501

1979: 787

1980: 1481

1981: 5564

1982: 6014

1983: 8069

Location: Front axle of the right side of the tractor

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!