1937-1954

The 90 was an Oliver-built standard tread tractor with a Waukesha-Oliver 7.3L four-cylinder kerosene engine. It was 4×2 2WD with manual steering, four-speed gear transmission, and an open operator station.

Engine: Oliver

Cylinders: 4

Bore & Stroke: 4.75x6.25

RPM: 1125

CID: 443

Fuel: All Fuel

Main Fuel Tank Cap: 30

Aux Fuel Tank Cap:

Carburetor: Marvel-Schebler

Cooling Capacity: 5.25

Drawbar HP:

Belt PTO HP:

Weight: 5797 lbs

Length: inches

Width: inches

Height: inches

Number of Gears: 4/1

Options:

1937: 508918

1938: 508935

1939: 509612

1940: 510068

1941: 510564

1942: 510977

1943: 511296

1944: 511474

1945: 512044

1946: 512821

1947: 513106

1948: 513856

1949: 514856

1950: 516276

1951: 516888

1952: 518300

1953: 518313

1954: 519245