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
Overview
 | 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
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Mccormick Deering McCormick-Deering OS-4.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Mccormick Deering McCormick-Deering OS-4 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Mccormick Deering McCormick-Deering OS-4.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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