Allis Chalmers 7020 - Horsepower, Weight, Specs, Problems, Price & More

Engine

The engine is a 6-cylinder liquid-cooled inline Allis Chalmers 649I intercooled turbocharged diesel with a displacement of 301ci / 4.9L. It has a dry air cleaner with pre-cleaner and a compression ratio of 16.25:1. The engine is rated at 146hp / 108.9kW at 2300 rpm. The starter volts are 12 and the oil capacity is 20qts / 18.9L. The coolant capacity is 26qts / 24.6L.

Transmission

The transmission is available in three options: 16-speed partial power shift, 20-speed partial power shift, and 12-speed partial power shift. The engine power take-off (PTO) is rated at 123hp / 91.7kW. The drawbar power is rated at 106hp / 79.0kW. The tested drawbar power is 102.09hp / 76.1kW, and the tested PTO power is 123.85hp / 92.4kW. The transmission is designed to provide smooth shifting and efficient power transfer.

Brakes

The brakes are differential power wet disc. The engine provides a power output of 146hp / 108.9kW, which is sufficient to operate the brakes effectively. The Allis Chalmers 649I intercooled turbocharged diesel engine has a displacement of 301ci / 4.9L and a compression ratio of 16.25:1. The bore/stroke ratio is 3.875x4.25inches / 98x 108mm. The engine is rated at 2300 rpm and has a starter voltage of 12. The oil capacity is 20qts / 18.9L, and the coolant capacity is 26qts / 24.6L.

Steering

The steering is hydrostatic power. The Allis Chalmers 7020 tractor is equipped with a 4.9L 6-cylinder diesel engine that provides a power output of 146hp / 108.9kW. The fuel tank has a capacity of 51gal / 193.0L, and an optional auxiliary tank of 13gal / 49.2L is available. The hydrostatic power steering provides smooth and responsive steering control.

Common Problems

Users have reported issues with the Allis Chalmers 7020 tractor's final drives, which are inboard planetary. The chassis is 4x2 2WD, which may not be suitable for all types of terrain. Some users have reported problems with the cab's air-conditioning system. The 16-speed partial power shift transmission has been reported to have occasional shifting problems. The differential power wet disc brakes have been reported to wear out quickly with heavy use.

What Users Like

Users appreciate the Allis Chalmers 7020 tractor's large fuel tank capacity of 51gal / 193.0L, which allows for extended periods of use without refueling. The hydrostatic power steering provides smooth and responsive steering control, which is appreciated by users. The tractor's optional auxiliary fuel tank of 13gal / 49.2L is also appreciated by users. The tractor's ag rear tire options of 24.5x32 / 30.5x32 / 20.8x34 / 15.5x38 / 16.9x38 / 18.4x38 / 20.8x38 provide versatility for different types of terrain. The Acousta cab with heat is standard and provides a comfortable working environment for the operator.

Allis Chalmers 7020 Technical Specifications

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