The Challenger MT856 tractor is powered by a MAN 15.3L 6-cyl diesel engine that provides of horsepower and 1991 lb-ft /2699.8 Nm torque. It has a crawler drive configuration and a continuously-variable transmission transmission.

Engine

The engine is not specified in the data provided. However, based on the model name, the Challenger MT856 is known to be equipped with a MAN D3876 turbocharged diesel 6-cylinder liquid-cooled inline engine. This engine has a displacement of 933.7ci / 15.3L, a bore/stroke of 5.43x6.69inches / 138x 170 mm, and a rated power of 556.5hp / 415.0kW at 1730 rpm. It also has a torque of 1991 lb-ft /2699.8 Nm at 1450 rpm and an electric starter with 24 volts. The recommended oil change interval for this engine is 500 hours.


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Transmission

The transmission of the Challenger MT856 is an Accu-VT continuously-variable transmission. This type of transmission has infinite forward and reverse gears, which allows for smooth and efficient operation. The engine (gross) power of this tractor is 556.5hp / 415.0kW, which is transmitted to the wheels through the Accu-VT transmission. This transmission is known for its reliability and ease of use, making it a popular choice among tractor operators. The Accu-VT transmission also allows for precise speed control, which is important for tasks such as planting and harvesting.

Brakes

The brakes of the Challenger MT856 are not specified in the data provided. However, based on the model name, it is known that this tractor is equipped with a MAN D3876 turbocharged diesel 6-cylinder liquid-cooled inline engine. This engine has a rated power of 556.5hp / 415.0kW at 1730 rpm and a torque of 1991 lb-ft /2699.8 Nm at 1450 rpm. The brakes of this tractor are designed to handle the power and weight of the engine, providing reliable stopping power when needed. The MAN D3876 engine is also known for its fuel efficiency, which helps to reduce operating costs.



Steering

The steering of the Challenger MT856 is powered by a MAN 15.3L 6-cylinder diesel engine. This engine provides ample power to the hydraulic steering system, allowing for precise and responsive steering. The fuel tank of this tractor has a capacity of 350 gallons / 1324.8 liters, which provides plenty of fuel for long days in the field. The exhaust fluid (DEF) tank has a capacity of 35.7 gallons / 135.1 liters, which helps to reduce emissions and comply with environmental regulations. The cab of the Challenger MT856 is standard with air-conditioning, which provides a comfortable working environment for the operator.


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Common Problems

Some common problems reported by users of the Challenger MT856 include issues with the crawler chassis, cab, and continuously-variable transmission. Some users have reported problems with the crawler tracks, which can wear out quickly and require frequent replacement. Others have reported issues with the cab, such as leaks and poor visibility. Some users have also reported problems with the continuously-variable transmission, such as slipping and difficulty shifting between gears.

What Users Like

Users of the Challenger MT856 appreciate the power and efficiency of the MAN D3876 turbocharged diesel 6-cylinder liquid-cooled inline engine. This engine provides ample power for heavy-duty tasks, while also being fuel-efficient and reliable. Users also appreciate the smooth and precise operation of the Accu-VT continuously-variable transmission, which allows for precise control of ground speed and hydraulic functions. The cab of the Challenger MT856 is also popular among users, as it is standard with air-conditioning and provides a comfortable working environment for the operator. Overall, users of the Challenger MT856 appreciate its power, efficiency, and ease of use.

Challenger MT856 Technical Specifications

Power

Engine (gross)556.5hp / 415.0kW

Engine Detail

DescriptionMAN D3876 turbocharged diesel 6-cylinder liquid-cooled inline
Displacement933.7ci / 15.3L
Bore/stroke5.43x6.69inches / 138x 170 mm
Rated Power (ece R120)556.5hp / 415.0kW
Rated Rpm1730
Torque1991 lb-ft /2699.8 Nm
Torque Rpm1450
Starterelectric
Starter Volts24
Oil Change500 h

Engine

DescriptionMAN 15.3L 6-cyl diesel
Fuel Tank350gal / 1324.8L
Exhaust Fluid (def)35.7gal / 135.1L

Transmission

TransmissionAccu-VT
Typecontinuously-variable transmission
Gearsinfinite forward and reverse

Mechanical

Chassiscrawler
CabCab standard with air-conditioning.
Transmissioncontinuously-variable transmission

Dimensions

Wheelbase118inches / 299cm
Length266inches / 675cm
Width116.1inches / 294cm *Minimum width
Height148inches / 375cm
Weight42000lbs / 19051kg
Max Weight59000lbs / 26762kg
Ground Clearance14.1inches / 35cm
Gauge88 to 128inches / 223to 325 cm

Hydraulics

Typeclosed center pressure-flow compensated
Pressure2900psi / 200.0bar
Rear Valves4 to 8
Pump Flow58.1gpm / 219.9lpm/116.2gpm / 439.8lpm

Electrical

Groundnegative
Charging Systemalternator
Charging Amps325
Batteries3
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm1000 / 1000E

Dimensions And Tracks

Wheelbase118inches / 299cm
Weight42000lbs / 19051kg
Descriptiontracks

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Other Challenger tractors:

Challenger 1042, Challenger 1046, Challenger 1050, Challenger 35, Challenger 45, Challenger 55, Challenger 70C, Challenger 75D, Challenger 75E, Challenger 85C, Challenger 85D, Challenger 95E, Challenger MT297B, Challenger MT455D, Challenger MT455E, Challenger MT465D, Challenger MT465E, Challenger MT475D, Challenger MT475E, Challenger MT485D, Challenger MT485E, Challenger MT495D, Challenger MT495E, Challenger MT515D, Challenger MT515E, Challenger MT525B, Challenger MT525D, Challenger MT525E, Challenger MT535B, Challenger MT535D, Challenger MT535E, Challenger MT545B, Challenger MT545D, Challenger MT545E, Challenger MT555B, Challenger MT555D, Challenger MT555E, Challenger MT565B, Challenger MT565D, Challenger MT565E, Challenger MT575B, Challenger MT575D, Challenger MT575E, Challenger MT585B, Challenger MT585D, Challenger MT585E, Challenger MT595B, Challenger MT595D, Challenger MT595E, Challenger MT635B, Challenger MT645B, Challenger MT645C, Challenger MT645D, Challenger MT645E, Challenger MT655B, Challenger MT655C, Challenger MT655D, Challenger MT655E, Challenger MT665B, Challenger MT665C, Challenger MT665D, Challenger MT665E, Challenger MT675C, Challenger MT675D, Challenger MT675E, Challenger MT685D, Challenger MT685E, Challenger MT735, Challenger MT738, Challenger MT740, Challenger MT743, Challenger MT745, Challenger MT745B, Challenger MT755, Challenger MT755B, Challenger MT755D, Challenger MT755E, Challenger MT765, Challenger MT765B, Challenger MT765D, Challenger MT765E, Challenger MT775E, Challenger MT835, Challenger MT835B, Challenger MT835C, Challenger MT845, Challenger MT845B, Challenger MT845C, Challenger MT845E, Challenger MT851, Challenger MT855, Challenger MT855B, Challenger MT855C, Challenger MT855E, Challenger MT856, Challenger MT862, Challenger MT865, Challenger MT865B, Challenger MT865C, Challenger MT865E, Challenger MT867, Challenger MT875B, Challenger MT875C, Challenger MT875E, Challenger MT945B, Challenger MT945C, Challenger MT955B, Challenger MT955C, Challenger MT955E, Challenger MT965B, Challenger MT965C, Challenger MT965E, Challenger MT975B, Challenger MT975C, Challenger MT975E,