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Years in Production / 1944–1953

McCormick-Deering

OS-6

Explore the specifications, hardware, and original references for the McCormick-Deering OS-6.

Generic tractor; no model photo available
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Source index power

2WD Only

Drive

1944–1953

Production years

McCormick-Deering

Manufacturer

OS-6 / 01

At a glance

Production

Orchard/Vineyard tractor

Built in Rock Island, Illinois, USA

Manufacturer
McCormick-Deering

Mechanical

Two-wheel drive

Open operator station.

OS-6 / 02

Under the hood

Engine Detail

International Harvester

gasoline

4-cylinder

liquid-cooled

Displacement
247.7 ci4.1 L
Bore Stroke
3.875x5.25 inches98 x 133 mm
Compression Ratio
5.65:1 (high compression gasoline)
Compression Ratio
4.75:1 (distillate-gasoline)
Compression Ratio
4.5:1 (kerosene)
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

OS-6 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
5 forward and 1 reverse