Challenger MT765B tractor

Challenger MT765B

Power

320 hp

Production

2005-2008

Engine

Turbocharged aftercooled diesel, 6-cylinder 24-valve

Transmission

Cat PowerShift

From the same series:

MT755B

Introduction

Challenger MT765B Agricultural Crawler Tractor

The Challenger MT765B is a high-horsepower agricultural crawler tractor manufactured by AGCO in Jackson, Minnesota. Produced between 2005 and 2008, this machine is engineered for heavy-duty field operations, utilizing a tracked drive system to optimize traction and minimize soil compaction.

Engine and Performance

The tractor is powered by a Caterpillar 6-cylinder, 24-valve, turbocharged and aftercooled diesel engine with a displacement of 537 cubic inches (8.8 liters). It delivers a gross power output of 320 horsepower at a rated engine speed of 2100 RPM. The engine features a 17.1:1 compression ratio and liquid cooling to maintain thermal efficiency during intensive agricultural tasks.

Transmission and Drive

The MT765B utilizes a Cat PowerShift transmission, providing 16 forward and 4 reverse gears. This full power shift system allows for on-the-go gear changes without interrupting power delivery to the tracks. The drive system consists of 16-inch tracks, supported by hydraulic wet disc brakes for reliable deceleration.

Hydraulics and Hitch

Equipped with a closed-center pressure-flow compensated (PFC) hydraulic system, the tractor provides a pump flow of 43.5 gpm (164.6 lpm) at a system pressure of 2900 psi (200.0 bar). It offers 4 to 6 rear valves for implement control. The rear Category III/IIIN hitch provides a lift capacity of 16,000 lbs (7,257 kg), supported by an independent 1000 RPM rear PTO.

Operator Environment and Dimensions

The machine features a standard cab equipped with air conditioning to ensure operator comfort during extended work cycles. The tractor has a wheelbase of 96 inches and a base operating weight of 31,075 lbs (14,095 kg), providing the necessary mass for high-draft applications.

Conclusion

The Challenger MT765B is a specialized high-performance tractor designed for professional agricultural operators requiring maximum tractive effort and stability. Its combination of a high-capacity hydraulic system, robust Caterpillar powerplant, and full power shift transmission makes it well-suited for heavy tillage and large-scale farming operations.

Production Information of Challenger, MT765B

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

Engine Specifications of Challenger, MT765B

  • Caterpillar
  • Liquid-cooled inline
  • Turbocharged aftercooled diesel
  • 6-cylinder 24-valve
Starter volts12
Displacement537 ci [8.8 L]
Air cleanerDual paper elements
Bore/Stroke4.409x5.866 inches [112 x 149 mm]
Rated RPM2100
Compression17.1:1
Power (gross)320 hp [238.6 kW]

Transmission Information of Challenger, MT765B

Transmission variants 1

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

Mechanical Specs of Challenger, MT765B

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

Power Information of Challenger, MT765B

Rear PTOIndependent
Rear PTO Type1000

Hydraulics Specifications of Challenger, MT765B

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

Three-Point Hitch of Challenger, MT765B

Rear TypeIII/IIIN
Rear lift16000 lbs [7257 kg]

Electrical System of Challenger, MT765B

GroundNegative
Battery CCA1000
Batteries2
Charging systemAlternator
Battery volts12
Charging amps185

Where it sits

With 320 HP, the Challenger MT765B sits just above MT765 (306 HP) in Challenger's range. Its power puts it in the 95th percentile of 2000s models in our database (2822 machines).

Frequently asked questions

How much horsepower does the Challenger MT765B have?

The Challenger MT765B delivers 320 HP.

What years was the Challenger MT765B produced?

The Challenger MT765B was produced in 2005-2008.

What engine does the Challenger MT765B have?

The Challenger MT765B is powered by a Turbocharged aftercooled diesel, 6-cylinder 24-valve engine.

What transmission does the Challenger MT765B use?

The Challenger MT765B uses a Cat PowerShift transmission.

Compare the Challenger MT765B with another model