Challenger MT855C - Horsepower, Weight, Specs, Problems, Price & More

Engine

The engine is a Caterpillar C15 ACERT turbocharged aftercooled diesel 6-cylinder 24-valve liquid-cooled with a displacement of 923ci / 15.1L and bore/stroke of 5.4x6.75inches / 137x 171 mm. It has a Tier III emission rating and produces a gross power of 475hp / 354.2kW at a rated RPM of 2100. The fuel system is a mechanical electric injector unit (MEUI) and it has an electric starter with a voltage of 12. The engine is known for its reliability, power, and fuel efficiency.

Transmission

The transmission is a 16-speed full power shift that provides smooth and efficient shifting between gears. It is designed to handle the high power output of the engine and provide maximum torque to the tracks. The transmission is known for its durability and ease of use, making it a popular choice among tractor operators.

Brakes

The brakes are hydraulic wet discs that provide excellent stopping power and are designed to handle the high speeds and heavy loads of the tractor. The cab comes standard with air-conditioning, providing a comfortable working environment for the operator. The brakes are speed sensitive and have a trailer brake option available. The brakes are known for their reliability and effectiveness.

Steering

The steering is a speed-sensitive differential system that provides precise and responsive control of the tractor. It is powered by the same Caterpillar 15.1L 6-cylinder diesel engine as the rest of the tractor and has a fuel tank capacity of 305gal / 1154.4L. The steering system is known for its accuracy and ease of use.

Common Problems

Users have reported issues with the crawler drive system, which can be expensive to repair. The speed-sensitive differential steering system can also be prone to failure if not properly maintained. Some users have reported issues with the hydraulic wet disc brakes, which can wear out quickly if not used properly. The cab can also be prone to leaks if not properly sealed. Finally, some users have reported issues with the trailer brake system, which can be difficult to operate.

What Users Like

Users appreciate the power and reliability of the Caterpillar C15 ACERT engine, which provides excellent performance in a variety of conditions. The 16-speed full power shift transmission is also popular among users, providing smooth and efficient shifting between gears. The hydraulic wet disc brakes are also well-liked, providing excellent stopping power and reliability. Users also appreciate the speed-sensitive differential steering system, which provides precise and responsive control of the tractor. Finally, the comfortable and air-conditioned cab is a popular feature among users, providing a comfortable working environment for long hours in the field.

Challenger MT855C Technical Specifications

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