Challenger MT945C

Last Updated: July 2024

Overview

The Challenger MT945C is a powerful and efficiently designed tractor by AGCO. It gets its strength from a Caterpillar C15 ACERT engine with a compression ratio of 18.0 to 1, which is liquid-cooled, turbocharged and offers up to 440 horsepower. This 6-cylinder, 24-valve engine has a displacement of 928 cubic inches, a bore of 5.402 inches, and a stroke of 6.748 inches, providing ample power for extensive farming tasks. The engine has a rated RPM of 2100 and features an electric stick. With a selective gear fixed ratio transmission with full range operator controlled power shift, including 16 forward and 4 reverse gears, manoeuvring this machine is easy and intuitive. This model stands out for its high operating weight of 50495 lbs. Accommodating a III/IVN hitch type, the MT945C offers a lift capacity of 20107 lbs. The tractor measures 298 inches in length, 192 inches in width, and 151 inches in height, making it a sizable addition to your farming equipment. Additional details include a maximum torque of 1446 lb-ft and a sound level of 76.5 dB(A) at no load in 6th gear.

Key Specifications

Power Output: 440

Transmission: selective gear fixed ratio with full range operator controlled power shift

Operating Weight: 50495

Fuel Type: diesel

Lift Capacity: 20107 lbs (89.4 kN)

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Challenger MT945C Tractor

Technical Specifications

Engine

Manufacturer: Caterpillar
Model: C15 ACERT
Cooling Type: liquid-cooled
Cylinder Orientation: -
Valve Configuration: 24-valve
Fuel Type: diesel
Induction Type: turbocharged
Cylinders: 6
Displacement (ci): 928
Bore (in): 5.402
Stroke (in): 6.748
Rated RPM: 2100
Power Output (hp): 440

Transmission

Type: selective gear fixed ratio with full range operator controlled power shift
Forward Gears: 16
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 298
Width (in): 192
Height (in): 151
Operating Weight (lb): 50495

Power Take-Off (PTO)

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

Miscellaneous

Chassis: -
Drive Type: -
Steering Type: -
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: III/IVN
Hitch Category: -
Hitch Position: rear
Hitch Capacity (lb): 20107 lbs (89.4 kN)
Operator Station Type: -
Starter Type: Electric Starter
Brake Type: -
Hydraulic System Type: closed center pressure-flow compensated

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 27 to June 6, 2008

Maximum Power and Fuel Consumption

Maximum Power (1 hour): 416.25 HP (310.40 kW) at 1700 rpm
Fuel Consumption at Maximum Power: 23.91 Gal/hr (90.52 l/h) with a fuel efficiency of 0.403 lb/hp.hr (0.245 kg/kW.h)
Standard Power Take-off Speed: 383.04 HP (285.63 kW) at 2000 rpm with a fuel efficiency of 0.430 lb/hp.hr (0.262 kg/kW.h)

Drawbar Performance

Maximum Power in 6th Gear: 327.08 HP (243.90 kW) with a drawbar pull of 28501 lbs (126.78 kN) and a speed of 4.30 mph (6.93 km/h)
Fuel Consumption at 6th Gear: 0.503 lb/hp.hr (0.306 kg/kW.h) with a fuel efficiency of 13.93 Hp.hr/gal (2.74 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1446 lb.-ft. (1961 Nm) at 1054 rpm
Torque Rise: 59.1% with a power increase at 1700 rpm of 14.6%

Hydraulic Performance

Maximum Force Exerted through Whole Range: 20107 lbs (89.4 kN)
Pump Delivery Rate at Minimum Pressure (Standard Pump): 43.7 GPM (165.4 l/min)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 16.29 Hp.hr/gal (3.21 kW.h/l)
Fuel Consumption at Rated Engine Speed (2100 rpm): 23.05 Gal/hr (87.25 l/h)

NTTL.(2009).Nebraska OECD Tractor Test 1928A for Challenger MT945C Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2358