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Old Iron Garage

Old Iron Database

Oliver

OC-4 (Gas) (1957-1965)

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Tractor Info

1957-1965

Oliver OC-4 crawlers made their debut in 1956. This photograph was taken in August of that year; it shows the early OC-4 with a radiator grille and hood styling similar to that used on the Oliver farm tractors of the period. The engine was a three-cylinder style from Hercules; its 3 1/2 x 4 1/2 inch bore and stroke gave a displacement of 130 cubic inches. Rated speed was 1,700 rpm. Weighing 5,255 pounds, the OC-4 delivered nearly 18 drawbar horsepower in Nebraska Test No. 656. This test was run in June 1958, shortly after the OC-4 had been unveiled.

Tractor Info

Engine: Hercules

Cylinders: 3

Bore & Stroke: 3.50x4.50

RPM: 1700

CID: 130

Fuel: Gasoline

Main Fuel Tank Cap:

Aux Fuel Tank Cap:

Carburetor:

Cooling Capacity:

Drawbar HP: 17.99

Belt PTO HP: 22.52

Weight: 5,255 lbs

Length: 111 inches

Width: 60 inches

Height: inches

Number of Gears: 4/1

Options:

1956: 1TG002

1957: 1TG004

1958: 3TG802

1958: 4TG077

1959: 4TG076

1960: 4TG096

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