Tractors > McCormick-Deering > O-4

McCormick-Deering O-4



McCormick-Deering O-4 tractor photo
1940 - 1953
Orchard/Vineyard tractor
Production
ManufacturerMcCormick-Deering
Orchard/Vineyard tractor
Built in Rock Island, Illinois, USA
Total built2,721
Variants
W-4standard
O-4orchard
OS-4orchard, without full sheet metal
McCormick-Deering O-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 O-4 Transmission
5-speed gear
Transmission details ...
McCormick-Deering O-4 Power
Belt (claimed)24 hp (kerosene)
17.9 kW
 27.5 hp (gasoline)
20.5 kW
Mechanical
Two-wheel drive
Manual steering
Open operator station
Photos
McCormick-Deering O-4 grove tractor, front-right view.
McCormick-Deering O-4 photos...
Power Take-off (PTO)
Rear RPM540
Dimensions & Tires
Wheelbase66.75 inches
169 cm
Weight4320 lbs
1959 kg
Front tire5.50-16
Rear tire12-26
Full dimensions and tires ...
O-4 Serial Numbers
Location:Left side of tractor, on clutch housing.
1940OBH501
1941OBH943
1942OBH4056
1943OBH5693
1944OBH7593
1945OBH11171
1946OBH13934
1947OBH16022
1948OBH18880
1949OBH21912
1950OBH24470
1951OBH28167
1952OBH31214
1953OBH33067

FAQ: How to read a serial number table.
Belt Pulley
Diameter9.75 inches
24 cm
Width7.5 inches
19 cm
RPM1019
Speed2601 ft/min
792.78 meters/min
References
O-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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