1959-1963

The big International 660 was Harvester’s largest wheel-type tractor during its 1959-63 production run. The 660 was a six-plow tractor, available in gasoline, propane, or diesel engine styles. When equipped for gasoline or pro­pane, an IH C-263 six-cylinder engine was featured, hav­ing a 3 19/16 x 4.39-inch bore and stroke. The 660 Diesel car­ried an IH D-282 engine with a 3 11/16 x 4.39-inch bore and stroke.

Engine: IHC D-282 L-Head

Cylinders: 6

Bore & Stroke: 3.6875x4.390

RPM: 2400

CID: 281

Fuel: Diesel

Main Fuel Tank Cap: 33

Aux Fuel Tank Cap:

Carburetor: Injection Pump

Cooling Capacity: 5

Drawbar HP: 69.43

Belt PTO HP: 78.78

Weight: 7980 lbs

Length: 142.6 inches

Width: 78 inches

Height: 74 (steering wheel) inches

Number of Gears: 10/2

Options:

Total Produced: 6945

1959: 501

1960: 3398

1961: 4259

1962: 5883

1963: 6995-UP

Location: Plate left side of the clutch housing