McCormick-Deering O-6
The McCormick-Deering O-6 is a tractor produced by Mccormick Deering. It is equipped with a 247.7 ci 4.1 L engine. Transmission: 5 forward and 1 reverse. Operating weight: 5310 lbs 2408 kg.
Fuel & Capacities
21 gal
79.5 L
Transmission
5 forward and 1 reverse
Operating Weight
5310 lbs
2408 kg
Overview
![]() | 1940 - 1953
Orchard/Vineyard tractor |
|---|
Production | |
|---|---|
Manufacturer | McCormick-Deering |
Orchard/Vineyard tractor | |
Built in Rock Island, Illinois, USA | |
Variants | |
|---|---|
W-6 | standard |
O-6 | orchard |
OS-6 | orchard without full sheet metal |
ODS-6 | diesel OS-6 |
I-6 | industrial |
ID-6 | diesel industrial |
McCormick-Deering O-6 Engine | |
|---|---|
International Harvester 4.1L 4-cyl gasoline | |
Fuel tank | 21 gal
79.5 L |
Aux. fuel | 0.875 gal
3.3 L |
Engine details ... | |
McCormick-Deering O-6 Transmission | |
|---|---|
5-speed gear | |
Transmission details ... |
McCormick-Deering O-6 Power | |
|---|---|
Drawbar (claimed) | 33.5 hp
25.0 kW |
Belt (claimed) | 38.5 hp
28.7 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 76.25 inches
193 cm |
Weight | 5310 lbs
2408 kg |
Front tire | 6.00-16 |
Rear tire | 13-26 |
Full dimensions and tires ... | |
Belt Pulley | |
|---|---|
Diameter | 11 inches
27 cm |
Width | 7.5 inches
19 cm |
RPM | 899 |
Speed | 2588 ft/min
788.82 meters/min |
References | |
|---|---|
![]() | |
General Line Catalog published in 1949, by International Harvester |
Engine
Engine Detail — 247.7 ci / 4.1 L Gasoline
Manufacturer | International Harvester |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 247.7 ci
4.1 L |
Bore/Stroke | 3.875x5.25 inches
98 x 133 mm |
Compression | 5.65:1 (high compression gasoline) |
4.75:1 (distillate-gasoline) | |
4.5:1 (kerosene) | |
Rated RPM | 1450 |
Transmission
Transmission — 5 forward and 1 reverse gear
Type | gear |
Gears | 5 forward and 1 reverse |
Dimensions
McCormick-Deering O-6 Tires | |
|---|---|
Ag front | 6.00-16 |
Ag rear | 13-26 |
Dimensions | |
|---|---|
Wheelbase | 76.25 inches
193 cm |
Length | 133.25 inches
338 cm |
Width | 65 inches
165 cm |
Height | 63.5 inches
161 cm |
Weight | 5310 lbs
2408 kg |
Clearance (front axle) | 15.25 inches
38 cm |
Front tread | 46.75 inches
118 cm |
Rear tread | 45 inches
114 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Mccormick Deering McCormick-Deering O-6.
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 O-6 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Mccormick Deering McCormick-Deering O-6.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Related models
McCormick-Deering A-554
- Power:
- 57
- Production years:
- 1962 - 1967
McCormick-Deering FU237
- Power:
- 30
- Production years:
- 1961 - 1962
McCormick-Deering FU267
- Power:
- 35
- Production years:
- 1961 - 1962
McCormick-Deering FU265
- Power:
- 35
- Production years:
- 1959 - 1961
McCormick-Deering B-450
- Power:
- 55
- Production years:
- 1958 - 1970



