EngineGeneral Motors 10.8L 6-cyl diesel
Transmission2-speed torque converter

The Allis Chalmers HD20 tractor is powered by a General Motors 10.8L 6-cyl diesel engine. It has a 2-speed torque converter transmission.

Engine

The engine is a General Motors blower diesel 6-cylinder liquid-cooled 2-cycle vertical I-head with a displacement of 660ci / 10.8L and a bore/stroke of 5.00x5.60inches / 127x 142mm. It has a compression ratio of 18.0:1 and is rated at 1700 rpm. The starter voltage is 24 and the coolant capacity is 60qts / 56.8L. The engine is known for its power and durability, making it a reliable choice for heavy-duty work.

Transmission

The transmission is a 2-speed torque converter that provides smooth and efficient power transfer to the tracks. It allows for easy shifting between gears and provides excellent control over the tractor's speed. The transmission is designed to handle heavy loads and is known for its reliability and durability.

Brakes

The brakes on this tractor are designed to provide excellent stopping power and control. They are responsive and easy to use, allowing for precise control over the tractor's movement. The brakes are designed to handle heavy loads and are known for their durability and reliability.

Steering

The steering on this tractor is powered by a General Motors 10.8L 6-cylinder diesel engine. It provides excellent control and maneuverability, allowing for precise movement of the tractor. The fuel tank has a capacity of 120gal / 454.2L, providing ample fuel for extended use.

Common Problems

Users have reported issues with the crawler drive system, which can be prone to wear and tear over time. Additionally, the open operator station can be uncomfortable to use for extended periods of time, especially in extreme weather conditions.

What Users Like

Users appreciate the power and durability of the General Motors engine, which provides reliable performance even under heavy loads. The smooth and efficient power transfer of the 2-speed torque converter is also a popular feature, as it allows for easy shifting between gears and precise control over the tractor's speed and movement.

Allis Chalmers HD20 Technical Specifications

Engine Detail

DescriptionGeneral Motors blower diesel 6-cylinder liquid-cooled 2-cycle vertical I-head
Displacemen660ci / 10.8L
Bore/strok5.00x5.60inches / 127x 142mm
Compressio18.0:1
Rated Rp1700
Starter Volt24
Coolant Capacit60qts / 56.8L

Engine

DescriptionGeneral Motors 10.8L 6-cyl diesel
Fuel Tan120gal / 454.2L

Transmission

Description2-speed torque converter

Mechanical

Drivcrawler
DescriptionOpen operator station

Dimensions And Tracks

Weigh41000lbs / 18597kg
DescriptionTracks

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