Challenger MT755B

Last Updated: July 2024

Overview

The Challenger MT755B tractor is a powerful machine built by Challenger, a part of AGCO. It is steered via an electro-hydraulic power system and is equipped with a Caterpillar engine model C9 ACERT Tech Tier 3. This turbocharged and air-to-air aftercooled engine provides 301 horsepower. The transmission is a full power shift type with 16 forward gears and 4 reverse gears. The tractor has a closed-center PFC hydraulic system. The dimensions of the tractor are 233 inches in length, 133 inches in width, and 135.5 inches in height, with a total operating weight of 31075 lbs.

Key Specifications

Power Output: 301

Transmission: Full power shift

Operating Weight: 31075

Fuel Type: Diesel

Lift Capacity: 16000 lbs (at 24 inches)

Technical Specifications

Engine

Manufacturer: Caterpillar
Model: C9 ACERT Tech Tier 3
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: 24-valve
Fuel Type: Diesel
Induction Type: Turbocharged and Air-to-Air Aftercooled
Cylinders: 6
Displacement (ci): 537
Bore (in): 4.409
Stroke (in): 5.866
Rated RPM: 2100
Power Output (hp): 301

Transmission

Type: Full power shift
Forward Gears: 16
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 233
Width (in): 133
Height (in): 135.5
Operating Weight (lb): 31075

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: -
Drive Type: -
Steering Type: Electro-hydraulic power
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: Standard Cat.3/3N
Hitch Category: IIIN/III
Hitch Position: Rear
Hitch Capacity (lb): 16000 lbs (at 24 inches)
Operator Station Type: Cab
Starter Type: Electric
Brake Type: Hydraulic wet disc
Hydraulic System Type: Closed-center PFC

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 25 to November 2, 2005

Maximum Power and Fuel Consumption

Maximum Power: 315.96 HP (235.61 kW) at 1701 rpm
Fuel Consumption at Maximum Power: 17.27 Gal/hr (65.38 l/h) with a fuel efficiency of 0.385 lb/hp.hr (0.234 kg/kW.h)
Standard Power Take-off Speed (1000 rpm): 277.64 HP (207.04 kW) at 1980 rpm with a fuel consumption of 15.86 Gal/hr (60.04 l/h)

Drawbar Performance

Maximum Power in 6th Gear: 213.58 HP (159.27 kW) with a drawbar pull of 18170 lbs (80.82 kN) and a speed of 4.41 mph (7.09 km/h)
Fuel Consumption at Maximum Power in 6th Gear: 0.476 lb/hp.hr (0.290 kg/kW.h) with a fuel efficiency of 14.80 Hp.hr/gal (2.92 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1037 lb.-ft. (1405 Nm) at 1201 rpm
Torque Rise: 68.7% with a torque rise at 1700 rpm of 59%

Hydraulic Performance

Maximum Force Exerted through Whole Range: 17263 lbs (76.8 kN)
Pump Delivery Rate at Rated Engine Speed: 44.5 GPM (168.5 l/min)
Hydraulic Power: 68.9 HP (51.4 kW) at a delivery pressure of 2734 psi (189 bar)

Nebraska Tractor Test Lab. (2005). Test 1859: Challenger MT755B Diesel. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/344