McCormick-Deering OS-4


McCormick-Deering OS-4 tractor photo
1944 - 1953
Production
ManufacturerMcCormick-Deering
Built in Rock Island, Illinois, USA
Variants
W-4standard
O-4orchard
OS-4orchard, without full sheet metal
McCormick-Deering OS-4 Engine
International Harvester 2.5L 4-cyl gasoline
Fuel tank17.5 gal
66.2 L
Aux. fuel0.75 gal
2.8 L
Engine details ...
McCormick-Deering OS-4 Power
Drawbar (claimed)25 hp
18.6 kW
Belt (claimed)27.5 hp
20.5 kW
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Power Take-off (PTO)
Rear RPM540
Dimensions & Tires
Wheelbase66.75 inches
169 cm
Weight4120 lbs
1868 kg
Front tire5.50-16
Rear tire12-26
Full dimensions and tires ...
Belt Pulley
Diameter9.75 inches
24 cm
Width7.5 inches
19 cm
RPM1019
Speed2601 ft/min
792.78 meters/min
References
OS-4 references literature
General Line Catalog published in 1949, by International Harvester
Page information
Peter Easterlund - owner of TractorData.com
Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on February 19, 2023
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