Challenger

Challenger MT765B

The Challenger MT765B is an agricultural crawler tractor produced from 2005 to 2008 as part of the MT700B Series. Manufactured by Challenger, a part of AGCO, it was built in Jackson, Minnesota, USA. It features a Caterpillar 8.8L 6-cylinder turbocharged aftercooled diesel engine delivering 320 hp gross power. The tractor uses a Cat PowerShift 16-speed full power shift transmission with hydraulic wet disc clutch. It has a crawler drive with hydraulic wet disc brakes and a standard cab with air-conditioning. The MT765B offers a closed-center PFC hydraulic system with 2900 psi pressure and 4 to 6 rear valves. The rear hitch is type III/IIIN with a 16000 lbs lift capacity and an independent 1000 rpm rear PTO. Dimensions include a 96-inch wheelbase, 233-inch length, 133-inch width, and 135.5-inch cab height, with a shipping weight of 31075 lbs. Track widths range from 16 to 30 inches. Electrical system features a negative ground, 185 amp alternator, two 12-volt batteries with 1000 CCA each. Related models include the MT765C, MT755B, and MT765.
Power320 hp
Founded2005 - 2008
ModelMT765B

Technical Specifications

Detailed specifications and technical data for Challenger MT765B

Power
PTO (tested)320.72 hp (239.2 kW)
PTO (claimed)265 hp (197.6 kW)
Engine (gross)320 hp (238.6 kW)
Drawbar (tested)228.21 hp (170.2 kW)
Engine
ModelCaterpillar 8.8L 6-cyl diesel
Detailturbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled inline
Fuel tank118 gal (446.6 L), 178 gal (wide) (673.7 L), 208 gal (optional) (787.3 L)
Rated RPM2100
Air cleanerdual paper elements
Bore/Stroke4.409x5.866 inches (112 x 149 mm)
Compression17.1:1
Displacement537 ci (8.8 L)
Power (gross)320 hp (238.6 kW)
Starter volts12
Tracks
Widths16 inches (40 cm), 18 inches (45 cm), 20 inches (50 cm), 25 inches (63 cm), 30 inches (76 cm)
Dimensions
Width133 inches (337 cm)
Length233 inches (591 cm)
Wheelbase96 inches (243 cm)
Height (cab)135.5 inches (344 cm)
Shipping weight31075 lbs (14095 kg)
Ground clearance14.3 inches (36 cm)
Electrical
Groundnegative
Batteries2
Battery CCA1000
Battery volts12
Charging amps185
Charging systemalternator
Hydraulics
Typeclosed-center PFC
Pressure2900 psi (200.0 bar)
Pump flow43.5 gpm (164.6 lpm)
Rear valves4 to 6
Mechanical
Cabstandard with air-conditioning
Drivecrawler
BrakesHydraulic wet disc brakes
Production
TypeAgricultural Crawler tractor
SeriesMT700B Series
Built inJackson, Minnesota, USA
Years produced2005 - 2008
Transmission
Typefull power shift
Gears16 forward and 4 reverse
ModelCat PowerShift
Clutchhydraulic wet disc
Tractor hitch
Rear TypeIII/IIIN
Rear lift16000 lbs (7257 kg)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type1000