McCormick-Deering OS-4
The McCormick-Deering OS-4 is a tractor produced by Mccormick Deering. It is equipped with a 152.1 ci 2.5 L engine. Transmission: 5 forward and 1 reverse. Operating weight: 4120 lbs 1868 kg.
Fuel & Capacities
17.5 gal
66.2 L
Transmission
5 forward and 1 reverse
Operating Weight
4120 lbs
1868 kg
Mccormick Deering McCormick-Deering OS-4 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1944 - 1953 | 1944 - 1953 |
|---|
Production | |
|---|---|
Manufacturer | McCormick-Deering |
Built in Rock Island, Illinois, USA | |
Variants | |
|---|---|
W-4 | standard |
O-4 | orchard |
OS-4 | orchard, without full sheet metal |
McCormick-Deering OS-4 Engine | |
|---|---|
International Harvester 2.5L 4-cyl gasoline | |
Fuel tank | 17.5 gal
66.2 L |
Aux. fuel | 0.75 gal
2.8 L |
Engine details ...  | |
McCormick-Deering OS-4 Transmission | |
|---|---|
5-speed gear | |
Transmission 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 PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 66.75 inches
169 cm |
Weight | 4120 lbs
1868 kg |
Front tire | 5.50-16 |
Rear tire | 12-26 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 9.75 inches
24 cm |
Width | 7.5 inches
19 cm |
RPM | 1019 |
Speed | 2601 ft/min
792.78 meters/min |
References | |
|---|---|
 | |
General Line Catalog published in 1949, by International Harvester |
Engine
Engine Detail — 152.1 ci / 2.5 L Gasoline
Manufacturer | International Harvester |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 152.1 ci
2.5 L |
Bore/Stroke | 3.375x4.45 inches
86 x 113 mm |
Air cleaner | oil bath |
Compression | 5.9:1 (high-compression gasoline) |
4.75:1 (gasoline-distillate) | |
4.5:1 (kerosene) | |
Rated RPM | 1650 |
Firing order | 1-3-4-2 |
Oil capacity | 6 qts
5.7 L |
Coolant capacity | 17 qts
16.1 L |
Transmission
Transmission — 5 forward and 1 reverse gear
Type | gear |
Gears | 5 forward and 1 reverse |
Oil capacity | 24 qts
22.7 L |
 | |
Dimensions
McCormick-Deering OS-4 Tires | |
|---|---|
Ag front | 5.50-16 |
Ag rear | 12-26 |
Dimensions | |
|---|---|
Wheelbase | 66.75 inches
169 cm |
Length | 120.875 inches
307 cm |
Width | 55.5 inches
140 cm |
Height | 57.125 inches
145 cm |
Shipping weight | 4120 lbs
1868 kg |
Clearance (front axle) | 15.125 inches
38 cm |
Front tread | 45.875 inches
116 cm |
Rear tread | 41.75 inches
106 cm |
Photos
McCormick-Deering OS-4
McCormick-Deering OS-4
McCormick-Deering OS-4
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