AGCO Corporation MT740

Last Updated: July 2024

Overview

The Challenger MT740, manufactured by AGCO Corporation, is a powerful and robust agricultural tractor. It features a 7-cylinder, liquid-cooled, turbocharged and intercooled AGCO Power diesel engine with a displacement of 599 cubic inches. The engine delivers a rated power output of 345.28 hp at 1700 rpm, with detailed induction components like two turbochargers, water-to-air and air-to-air intercoolers, and DEF technology. The tractor employs an infinitely variable hydrostatic CVT transmission. It has a track width ranging from 88.0 to 119.5 inches and an operating weight of 35,890 pounds. Additional details include a 12-volt electric starting system, fuel rate of 128.8-141.5 lb/h, high idle speed of 1765-1815 rpm, and turbo boost pressure of 34.1-37.0 psi. The test results provide comprehensive performance data on drawbar power, hydraulics, and power take-off operations.

Key Specifications

Power Output: 345.28

Transmission: CVT, Infinitely variable hydrostatic using variable-displacement pump and motors

Operating Weight: 35890

Fuel Type: Diesel

Technical Specifications

Engine

Manufacturer: AGCO Power
Model: -
Cooling Type: Liquid-cooled
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged intercooled; Seven-cylinder vertical with two turbochargers, water to air intercooler, air to air intercooler, and D.E.F. technology
Cylinders: 7
Displacement (ci): 599
Bore (in): 4.37
Stroke (in): 5.709
Rated RPM: 1700
Power Output (hp): 345.28

Transmission

Type: CVT, Infinitely variable hydrostatic using variable-displacement pump and motors
Forward Gears: Infinite
Reverse Gears: Infinite
Total Gears: -

Dimensions

Length (in): -
Width (in): 88.0 to 119.5 inches
Height (in): -
Operating Weight (lb): 35890

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): -
Operator Station Type: -
Starter Type: 12 volt
Brake Type: -
Hydraulic System Type: Load Sensing

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 11 to 24, 2018

Maximum Power and Fuel Consumption

Rated Engine Speed (1700 rpm): 345.28 HP (257.48 kW)
Fuel Consumption at Rated Speed: 18.44 Gal/hr (69.82 l/h) with a fuel efficiency of 0.374 lb/hp.hr (0.227 kg/kW.h)
DEF Consumption at Rated Speed: 0.98 Gal/hr (3.72 l/h)

Drawbar Performance

Power at Rated Engine Speed (5.6 mph): 285.72 HP (213.06 kW) with a drawbar pull of 19372 lbs (86.17 kN) at 2.4% slip
Fuel Consumption at Rated Speed: 0.454 lb/hp.hr (0.276 kg/kW.h) with a fuel efficiency of 15.42 Hp.hr/gal (3.04 kW.h/l)
75% of Pull at Rated Engine Speed (5.6 mph): 216.03 HP (161.09 kW) with a fuel consumption of 0.470 lb/hp.hr (0.286 kg/kW.h)
50% of Pull at Rated Engine Speed (5.6 mph): 145.26 HP (108.32 kW) with a fuel consumption of 0.517 lb/hp.hr (0.315 kg/kW.h)

Torque and Engine Performance

Maximum Torque: 1198 lb.-ft. (1624 Nm) at 1251 rpm
Torque Rise: 12.4%

Hydraulic Performance

Maximum Force Exerted through Whole Range: 21134 lbs (94.0 kN)
Combined Pump Delivery Rate at Minimum Pressure and Rated Engine Speed: 120.3 GPM (455.3 l/min)
Hydraulic Power: 93.4 HP (69.6 kW) at a delivery pressure of 2746 psi (189 bar)

NTTL.(2018). Nebraska OECD Tractor test 2206 for Challenger MT740 Diesel.Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu