Challenger MT645D - Horsepower, Weight, Specs, Problems, Price & More

Engine

The engine is a 6-cylinder liquid-cooled AGCO Power turbocharged air-to-air intercooled diesel with a displacement of 513.8ci / 8.4L. It has a bore/stroke of 4.370x5.709inches / 111x 145 mm and a compression ratio of 16.7:1. The engine is equipped with electronic high-pressure common rail fuel system and thermostart pre-heating. It has a rated RPM of 2100 and a starter voltage of 12. The engine meets Interim Tier IV emission standards and uses selective catalytic reduction (SCR) for emission control. The gross power output is 240hp / 179.0kW and the maximum power output is 270hp / 201.3kW.

Transmission

The transmission is a continuously variable transmission (CVT) that provides infinite speed control. It allows for smooth and efficient power transfer to the wheels, resulting in improved fuel efficiency and reduced wear and tear on the engine. The CVT also provides excellent maneuverability and control, making it ideal for a variety of applications. The transmission is designed to handle the high power output of the engine and provide reliable performance in all conditions. It is easy to operate and requires minimal maintenance.

Brakes

The brakes are hydraulic wet disc brakes that provide excellent stopping power and control. They are designed to handle the high power output of the engine and provide reliable performance in all conditions. The brakes are equipped with four-wheel drive and differential lock for improved traction and control. The trailer brake is available in both pneumatic and hydraulic options. The cab is standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional).

Steering

The steering is hydrostatic power steering that provides excellent maneuverability and control. It is designed to handle the high power output of the engine and provide reliable performance in all conditions. The steering is easy to operate and requires minimal maintenance. The AGCO Power 8.4L 6-cylinder diesel engine provides the necessary power to the steering system for smooth and efficient operation.

Common Problems

Users have reported issues with the four-wheel drive system, specifically with the engagement and disengagement of the system. Some users have also reported problems with the hydraulic wet disc brakes, including premature wear and reduced stopping power. Another common issue is with the cab suspension system, which can be prone to leaks and other mechanical problems. Finally, some users have reported issues with the AGCOMMAND system, including connectivity and reliability issues.

What Users Like

Users appreciate the standard tires on the Challenger MT645D, which provide excellent traction and control in a variety of conditions. They also like the cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional), which provides a comfortable and ergonomic workspace. The continuously variable transmission (CVT) is also a popular feature, providing smooth and efficient power transfer to the wheels. Finally, users appreciate the reliable performance of the AGCO Power 8.4L 6-cylinder diesel engine, which provides the necessary power for a variety of applications.

Challenger MT645D Technical Specifications

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