McCormick-Deering OS-4: all source data

All 47 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerMcCormick-Deering
(no label)Built in Rock Island, Illinois, USA
Engine
(no label)International Harvester 2.5L 4-cyl gasoline
Fuel tank17.5 gal | 66.2 L
Aux. fuel0.75 gal | 2.8 L
Transmission
(no label)5-speed gear
Power
Drawbar (claimed)25 hp | 18.6 kW
Belt (claimed)27.5 hp | 20.5 kW
Mechanical
(no label)Two-wheel drive
(no label)Manual steering
(no label)Open operator station.
Pto
Rear PTO Type540
Dimensions
Wheelbase66.75 inches | 169 cm
Weight4120 lbs | 1868 kg
Front tire5.50-16
Rear tire12-26
Belt pulley
Diameter9.75 inches | 24 cm
Width7.5 inches | 19 cm
RPM1019
Speed2601 ft/min | 792.78 meters/min

Engine

Engine detail
(no label)International Harvester
(no label)gasoline
(no label)4-cylinder
(no label)liquid-cooled
Displacement152.1 ci | 2.5 L
Bore/Stroke3.375x4.45 inches | 86 x 113 mm
Air cleaneroil bath
Compression5.9:1 (high-compression gasoline)
Compression4.75:1 (gasoline-distillate)
Compression4.5:1 (kerosene)
Rated RPM1650
Firing order1-3-4-2
Oil capacity6 qts | 5.7 L
Coolant capacity (Coolant)17 qts | 16.1 L

Transmission

Transmission
Typegear
Gears5 forward and 1 reverse
Oil capacity24 qts | 22.7 L

Dimensions

Tires
Ag front5.50-16
Ag rear12-26
Dimensions
Wheelbase66.75 inches | 169 cm
Length120.875 inches | 307 cm
Width55.5 inches | 140 cm
Height57.125 inches | 145 cm
Shipping weight4120 lbs | 1868 kg
Clearance (front axle)15.125 inches | 38 cm
Front tread45.875 inches | 116 cm
Rear tread41.75 inches | 106 cm