Challenger MT745B tractor

Challenger MT745B

Power

269 hp

Production

2005-2008

Engine

Turbocharged aftercooled diesel, 6-cylinder 24-valve

Transmission

Cat PowerShift

From the same series:

MT755B

Introduction

Challenger MT745B Crawler Tractor

The Challenger MT745B is a high-horsepower agricultural crawler tractor manufactured by AGCO in Jackson, Minnesota, USA, between 2005 and 2008. Designed for heavy-duty field operations, this tracked machine emphasizes traction and soil protection.

Engine and Power

The tractor is powered by a Caterpillar 6-cylinder, 24-valve, turbocharged and aftercooled diesel engine. With a displacement of 8.8 liters and a rated speed of 2100 RPM, it produces a gross power output of 269 hp (200.6 kW). The engine cooling system is liquid-based, and the air intake is managed by a dual paper element air cleaner.

Transmission and Drivetrain

The MT745B utilizes a Cat PowerShift transmission, providing a full power shift capability with 16 forward gears and 4 reverse gears. It features a hydraulic wet disc clutch system and is equipped with hydraulic wet disc brakes to ensure controlled operation. The tractor runs on 16-inch tracks, providing a stable footprint.

Hydraulics and Hitch

The hydraulic system is a closed-center pressure-flow compensated (PFC) setup, delivering a pump flow of 43.5 gpm (164.6 lpm) at a system pressure of 2900 psi (200.0 bar). The tractor is equipped with 4 to 6 rear valves. The rear hitch is a category IIIN/III configuration, capable of lifting up to 16,000 lbs (7,257 kg). It also features an independent rear PTO operating at 1000 RPM.

Dimensions and Operator Environment

The tractor has a wheelbase of 96 inches and an operating weight of 31,075 lbs (14,095 kg). The operator environment consists of a standard cab factory-fitted with air-conditioning to support long working hours in various environmental conditions.

Conclusion

The Challenger MT745B is designed for professional agricultural applications requiring high drawbar pull and significant hydraulic capacity. Its crawler configuration makes it suitable for heavy cultivation and large-scale farming tasks where soil compaction must be minimized.

Production Information of Challenger, MT745B

  • Agricultural Crawler tractor
  • Built in Jackson, Minnesota, USA
ManufacturerChallenger (a part of AGCO)

Engine Specifications of Challenger, MT745B

  • Caterpillar
  • Liquid-cooled inline
  • Turbocharged aftercooled diesel
  • 6-cylinder 24-valve
Power (gross)269 hp [200.6 kW]
Displacement537 ci [8.8 L]
Air cleanerDual paper elements
Bore/Stroke4.409x5.866 inches [112 x 149 mm]
Starter volts12
Rated RPM2100

Transmission Information of Challenger, MT745B

Transmission variants 1

TransmissionCat PowerShift
ClutchHydraulic wet disc
TypeFull power shift
Gears16 forward and 4 reverse

Mechanical Specs of Challenger, MT745B

  • Hydraulic wet disc brakes
  • Cab standard with air-conditioning.
DriveCrawler

Power Information of Challenger, MT745B

Rear PTOIndependent
Rear PTO Type1000

Hydraulics Specifications of Challenger, MT745B

TypeClosed-center PFC
Pump flow43.5 gpm [164.6 lpm]
Pressure2900 psi [200.0 bar]
Rear valves4 to 6

Three-Point Hitch of Challenger, MT745B

Rear TypeIIIN/III
Rear lift16000 lbs [7257 kg]

Electrical System of Challenger, MT745B

GroundNegative
Battery CCA1000
Batteries2
Charging systemAlternator
Battery volts12
Charging amps185

Where it sits

With 269 HP, the Challenger MT745B sits between MT745 (255 HP) and MT755B (301 HP) in Challenger's range. Its power puts it in the 93th percentile of 2000s models in our database (2822 machines).

Frequently asked questions

How much horsepower does the Challenger MT745B have?

The Challenger MT745B delivers 269 HP.

What years was the Challenger MT745B produced?

The Challenger MT745B was produced in 2005-2008.

What engine does the Challenger MT745B have?

The Challenger MT745B is powered by a Turbocharged aftercooled diesel, 6-cylinder 24-valve engine.

What transmission does the Challenger MT745B use?

The Challenger MT745B uses a Cat PowerShift transmission.

Compare the Challenger MT745B with another model