The McCormick-Deering TD-40 tractor is powered by a International Harvester 7.6L 4-cyl diesel engine that provides of horsepower and torque. It has a drive configuration and a 5-speed transmission.

Engine

The engine is a 4-cylinder liquid-cooled vertical I-head diesel engine with a displacement of 460.7ci / 7.6L. The bore/stroke ratio is 4.75x6.50inches / 121x165mm, and the compression ratio is 15:1. The engine is rated at 1100 RPMs and has an oil capacity of 12qts / 11.4L and a coolant capacity of 60qts / 56.8L.


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Transmission

The transmission information is not specified in the data provided.

Brakes

The brakes are manually operated and are not hydraulic. The TD-40's diesel engine was started on gasoline and then switched to diesel. The engine was manually cranked from the left side, which supplied fuel to a spark-ignition combustion chamber. Exhaust gas from this chamber was directed into the cylinders of the diesel. At 700 RPMs the gasoline chamber shut down and the engine ran as a true diesel. The brakes are effective and provide good stopping power.



Steering

The steering is powered by the International Harvester 7.6L 4-cylinder diesel engine. The fuel tank has a capacity of 42gal / 159.0L, and there is an auxiliary fuel tank with a capacity of 1.25gal / 4.7L. The steering is responsive and provides good control over the tractor.


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Common Problems

One common problem with the McCormick-Deering TD-40 is that the crawler drive system can be prone to failure if not properly maintained. Another issue is that the open operator station can be uncomfortable to work in for extended periods of time. Additionally, the lack of a hydraulic brake system can make stopping the tractor more difficult in certain situations.

What Users Like

Users appreciate the power and reliability of the McCormick-Deering TD-40. The diesel engine is efficient and provides good fuel economy. The tractor is also capable of handling a variety of tasks, from plowing fields to hauling heavy loads. Additionally, the simple design of the tractor makes it easy to maintain and repair.

McCormick-Deering TD-40 Technical Specifications

Engine Detail

DescriptionInternational Harvester diesel 4-cylinder liquid-cooled vertical I-head The TD-40's diesel engine was started on gasoline and then switched to diesel. The engine was manually cranked from the left side, which supplied fuel to a spark-ignition combustion chamber. Exhaust gas from this chamber was directed into the cylinders of the diesel. At 700 RPMs the gasoline chamber shut down and the engine ran as a true diesel
Displacemen460.7ci / 7.6L
Bore/strok4.75x6.50inches / 121x 165mm
Compressio15:1
Rated Rp1100
Oil Capacit12qts / 11.4L
Coolant Capacit60qts / 56.8L

Engine

DescriptionInternational Harvester 7.6L 4-cyl diesel
Fuel Tan42gal / 159.0L
Aux. Fue1.25gal / 4.7L

Transmission

Description5-speed

Mechanical

Drivcrawler
DescriptionOpen operator station. Optional canopy or steel cab

Belt Pulley

Diamete16.75inches / 42cm
Widt9inches / 22cm
Rp591

Power Take Off Pto

Rear Rp535

Dimensions And Tracks

Weigh12400 to 12750 pounds
Description16-inch tracks

Tracks

Widt30inches / 76cm

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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,