Challenger MT645E - Horsepower, Weight, Specs, Problems, Price & More

The Challenger MT645E tractor is powered by a AGCO POWER 8.4L 6-cyl diesel engine that provides of horsepower and torque. It has a drive configuration and a continuously variable transmission (CVT) transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is a 6-cylinder 24-valve liquid-cooled AGCO POWER turbocharged with air-to-air intercooler diesel. It has a displacement of 512.6ci / 8.4L with a bore/stroke of 4.37x5.71inches / 111x 145 mm. The engine meets Tier IV emission standards and uses selective catalytic reduction (SCR) for emission control. It has a power output of 240hp / 179.0kW and a maximum power output of 270hp / 201.3kW at a rated rpm of 2100. The engine is started electrically with a 12-volt starter.

Transmission

The transmission information is not provided in the data.

Brakes

The brakes are hydraulic wet disc brakes. The tractor comes with four-wheel drive and has a differential lock that is electro-hydraulic. The cab is standard with air-conditioning and optional OptiRide Plus hydraulic cab suspension. The tractor is AgCommand ready and AUTO-GUIDE 3000. The engine brake is not specified in the data.

Steering

The steering is hydrostatic power. The tractor uses an AGCO POWER 8.4L 6-cylinder diesel engine. The fuel tank has a capacity of 166gal / 628.3L and the exhaust fluid (DEF) tank has a capacity of 15.8gal / 59.8L. The steering system is not specified in the data.

Common Problems

Users have reported issues with the hydraulic system, specifically with leaks and malfunctions. Some users have also reported problems with the transmission, including difficulty shifting gears and slipping. The cab suspension system has also been known to malfunction, causing discomfort during operation. Additionally, some users have reported issues with the engine, including overheating and loss of power. Finally, some users have reported issues with the brakes, including reduced stopping power and premature wear.

What Users Like

Users appreciate the power and performance of the AGCO POWER engine, which provides ample power for heavy-duty tasks. The hydraulic wet disc brakes are also popular among users, providing reliable stopping power even in wet or muddy conditions. The cab is spacious and comfortable, with air-conditioning and optional suspension providing a smooth ride. Finally, users appreciate the AgCommand and AUTO-GUIDE 3000 systems, which provide advanced monitoring and guidance capabilities for precision farming applications.

Challenger MT645E Technical Specifications

Engine Detail
Description	AGCO POWER turbocharged with air-to-air intercooler diesel 6-cylinder 24-valve liquid-cooled
Displacemen	512.6ci / 8.4L
Bore/strok	4.37x5.71inches / 111x 145 mm
Emission	Tier IV
Emission Contro	selective catalytic reduction (SCR)
Powe	240hp / 179.0kW
Maximum Powe	270hp / 201.3kW
Rated Rp	2100
Starte	electric
Starter Volt	12
Engine
Description	AGCO POWER 8.4L 6-cyl diesel
Fuel Tan	166gal / 628.3L
Exhaust Fluid (def	15.8gal / 59.8L
Transmission
Description	continuously variable transmission (CVT)
Mechanical
Description	Four-wheel drive/Hydraulic wet disc brakes/Cab standard with air-conditioning. Optional OptiRide Plus hydraulic cab suspension. AgCommand ready; AUTO-GUIDE 3000
Differential Loc	electro-hydraulic
Steerin	hydrostatic power
Dimensions And Tires
Wheelbas	122inches / 309cm
Weigh	23810lbs / 10800kg
Hydraulics
Typ	closed center load sensing (CCLS)
Pressur	2900psi / 200.0bar
Valve	4 to 6
Pump Flo	54gpm / 204.4lpm
Tractor Hitch
Rear Typ	III/IVN
Rear Lift (at Ends	26455lbs / 11999kg
Drawba	Cat. 3/Cat 3 Heavy Duty (optional)/Cat 4 (optional)
Electrical
Groun	negative
Charging Syste	alternator
Charging Amp	240 (twin 120A)
Charging Volt	12
Battery Volt	12
Power Take Off Pto
Rear Pt	independent
Rear Rp	1000 / 1000E (1.75)

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