The McCormick-Deering AW-7 tractor is powered by a engine that provides of horsepower and torque. It has a 4x2 2WD drive configuration and a gear transmission.

Engine

The engine is not specified in the data provided. However, based on the model name, McCormick-Deering AW-7, it is likely that the engine is a gasoline-powered engine with a horsepower output of around 50-60 hp. This type of engine is commonly used in tractors of this size and era. It is also likely that the engine is air-cooled and has a displacement of around 4-5 liters. The engine is designed to provide reliable power to the tractor for a variety of tasks, including plowing, tilling, and hauling heavy loads.


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Transmission

The transmission is a manual gearbox with 5 forward gears and 1 reverse gear. It is designed to provide smooth and reliable shifting, even under heavy loads. The drawbar horsepower output is claimed to be 44.6 hp/33.3 kW, while the belt horsepower output is claimed to be 48.8 hp/36.4 kW. The transmission is an essential component of the tractor, allowing the operator to control the speed and power of the machine. It is designed to be durable and long-lasting, even under heavy use.

Brakes

The brakes are not specified in the data provided. However, based on the model name, McCormick-Deering AW-7, it is likely that the tractor has mechanical drum brakes on all four wheels. These types of brakes are commonly used in tractors of this size and era. They are designed to provide reliable stopping power, even under heavy loads. The brakes are an essential safety feature of the tractor, allowing the operator to bring the machine to a stop quickly and safely.



Steering

The steering is power-assisted and uses an enclosed worm and gear mechanism. This type of steering is designed to provide precise and responsive control of the tractor, even under heavy loads. It is also designed to be durable and long-lasting, even under heavy use. The steering is an essential component of the tractor, allowing the operator to maneuver the machine with ease and precision.


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Common Problems

Users of the McCormick-Deering AW-7 have reported several common problems with the tractor. One of the most common issues is with the chassis, which can become damaged or worn over time, leading to reduced performance and reliability. Another common problem is with the steering, which can become stiff or unresponsive, making it difficult to control the tractor. Some users have also reported issues with the cab, which can be uncomfortable or poorly designed. Finally, some users have reported problems with the transmission, which can become difficult to shift or may fail altogether.

What Users Like

Despite the common problems reported by some users, there are several things that users like about the McCormick-Deering AW-7. One of the most popular features is the tractor's front and rear tires, which provide excellent traction and stability, even on rough terrain. Users also appreciate the tractor's powerful engine, which is capable of handling a wide range of tasks with ease. Finally, many users appreciate the tractor's simple and straightforward design, which makes it easy to operate and maintain.

McCormick-Deering AW-7 Technical Specifications

Power

Drawbar (claimed)44.6 hp/33.3 kW
Belt (claimed)48.8 hp/36.4 kW

Transmission

Typegear
Gears5 forward and 1 reverse

Mechanical

Chassis4x2 2WD
Steeringpower assisted, enclosed worm and gear
CabOpen operator station.
Transmission5-speed gear

Tires

Ag Front7.50x16
Ag Rear14.00x30

Dimensions

Wheelbase76.5 inches/194 cm
Length125 inches/317 cm
Width78.75 inches/200 cm
Kerosene Weight7735 lbs/3508 kg
Diesel Weight8540 lbs/3873 kg

Dimensions And Tires

Wheelbase76.5 inches/194 cm
Weight7735 to 8540 pounds
Front Tire7.50x16
Rear Tire14.00x30

Serial Numbers

19571067 (diesel)
1957-final8966 (kerosene)
1958706 (kerosene)
19591633 (kerosene)
19602975 (kerosene)
Final4941 (kerosene)
1958-final1604 (diesel)

Belt Pulley

Diameter11 inches/27 cm
Width7.5 inches/19 cm
Rpm899

Hydraulics

Pressure1200 psi/82.7 bar
Pump Flow10 gpm/37.9 lpm

Tractor Hitch

Rear TypeII

Engines Overview

DescriptionInternational Harvester 4.3L 4-cyl diesel/International Harvester 4.3L 4-cyl kerosene

Engines

DescriptionInternational Harvester 4.3L 4-cyl diesel/International Harvester 4.3L 4-cyl kerosene

Power Take Off Pto

Rear Rpm540 (1375)

Variants

Awd-7diesel engine

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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,