McCormick-Deering O-4 - Horsepower, Weight, Specs, Problems, Price & More

The McCormick-Deering O-4 tractor is powered by a International Harvester 2.5L 4-cyl gasoline engine that provides of horsepower and torque. It has a 4x2 2WD drive configuration and a gear transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is not specified in the data provided. However, based on the model name, McCormick-Deering O-4, it is likely that the engine is a 4-cylinder liquid-cooled gasoline engine with a displacement of 2.5 L and a rated RPM of 1650. The engine is expected to have a high-compression gasoline with a compression ratio of 5.9:1. The engine is expected to have an oil capacity of 6 qts/5.7 L.

Transmission

The transmission is a 5-speed gear transmission with a claimed belt horsepower of 24 hp/17.9 kW (kerosene)/27.5 hp/20.5 kW (gasoline). The transmission is not specified in detail in the data provided. However, based on the model name, McCormick-Deering O-4, it is likely that the transmission is a manual transmission. The transmission is expected to have a good power output and smooth gear shifting. The transmission is expected to be durable and reliable.

Brakes

The brakes are International Harvester brakes. The brakes are expected to be reliable and durable. The brakes are expected to have a good stopping power. The brakes are expected to have a displacement of 152 ci/2.5 L with a bore/stroke of 3.375x4.45 inches/86 x 113 mm. The brakes are expected to have a compression ratio of 5.9:1 (high-compression gasoline)/4.75:1 (gasoline-distillate)/4.5:1 (kerosene).

Steering

The steering is a manual steering system with an International Harvester 2.5L 4-cylinder gasoline engine. The steering is expected to be responsive and easy to operate. The steering is expected to be durable and reliable. The steering is expected to have a good turning radius. The steering is expected to provide good control and stability.

Common Problems

Users have reported some common problems with the McCormick-Deering O-4 model. These include issues with the chassis, such as poor stability and traction on uneven terrain. Users have also reported problems with the manual steering system, which can be difficult to operate and may require frequent maintenance. The open operator station cab can be uncomfortable during long hours of operation. The 5-speed gear transmission can be difficult to shift, especially when the tractor is under heavy load.

What Users Like

Users appreciate the good power output of the McCormick-Deering O-4 model, which allows it to handle a variety of tasks with ease. Users also like the durability and reliability of the tractor, which can withstand heavy use and rough terrain. The hydraulics system is praised for its lifting capacity and precision. The tractor is also praised for its good fuel efficiency, which helps to keep operating costs low. Finally, users appreciate the simple and straightforward design of the tractor, which makes it easy to operate and maintain.

McCormick-Deering O-4 Technical Specifications

Power
Belt (claimed)	24 hp/17.9 kW (kerosene)/27.5 hp/20.5 kW (gasoline)
Engine Detail
Description	International Harvester/gasoline/4-cylinder/liquid-cooled
Displacement	152 ci/2.5 L
Bore/stroke	3.375x4.45 inches/86 x 113 mm
Compression	5.9:1 (high-compression gasoline)/4.75:1 (gasoline-distillate)/4.5:1 (kerosene)
Rated Rpm	1650
Oil Capacity	6 qts/5.7 L
Engine
Description	International Harvester 2.5L 4-cyl gasoline
Transmission
Type	gear
Gears	5 forward and 1 reverse
Mechanical
Chassis	4x2 2WD
Steering	manual
Cab	Open operator station
Transmission	5-speed gear
Dimensions
Length	120.9 inches/307 cm
Width	60.25 inches/153 cm
Height	60.25 inches/153 cm
Weight	4320 lbs/1959 kg
Dimensions And Tires
Weight	4320 lbs/1959 kg
Serial Numbers
Location	Left side of tractor, on clutch housing.
1940	OBH501
1941	OBH943
1942	OBH4056
1943	OBH5693
1944	OBH7593
1945	OBH11171
1946	OBH13934
1947	OBH16022
1948	OBH18880
1949	OBH21912
1950	OBH24470
1951	OBH28167
1952	OBH31214
1953	OBH33067

Other McCormick-Deering tractors:

McCormick-Deering 10-20 TracTracTor, McCormick-Deering A554, McCormick-Deering AW-7, McCormick-Deering B-450, McCormick-Deering FU235, McCormick-Deering O-4, McCormick-Deering O-6, McCormick-Deering ODS-6, McCormick-Deering OS-6, McCormick-Deering Super AWD-6, McCormick-Deering Super BW-6, McCormick-Deering Super BWD-6, McCormick-Deering T-20, McCormick-Deering T-40, McCormick-Deering TA-40, McCormick-Deering TD-40, McCormick-Deering W-14, McCormick-Deering WD-40,