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Challenger MT545B

Challenger MT545B tractor
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The Challenger MT545B is a row-crop tractor produced from 2004 to 2011 as part of the MT500B Series. It was built in Beauvais, France by Challenger, a part of AGCO. This model is similar to the Massey Ferguson 7480. It features a Caterpillar 6.0L 6-cylinder turbocharged diesel engine producing 143 hp, with various transmission options including partial power shift and continuously variable transmission. The tractor offers two- or four-wheel drive, hydraulic wet disc brakes, and a cab with heat and A/C. It has a fuel capacity of 71 gallons and advanced hydraulics with a closed center pressure flow compensating system. The MT545B is designed for row-crop farming with adjustable tread widths and multiple hitch and PTO options.
Challenger MT545Btractorspecificationsenginetransmissionhydraulicsdimensionsfarm tractor
Power143 hp
Founded2004 - 2011
ModelMT545B

Technical Specifications

Detailed specifications and technical data for Challenger MT545B

Power

Engine power:143 hp (106.6 kW)
PTO (tested):125.7 hp (93.7 kW)
PTO (claimed):115 hp (85.8 kW)
Drawbar (tested):100.4 hp (74.9 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar 3056C
Power:143 hp (106.6 kW)
Cooling:liquid-cooled vertical inline
Idle RPM:800-2350
Cylinders:6-cylinder
Emissions:Tier II
Rated RPM:2200
Air cleaner:dual paper elements
Bore/Stroke:3.937x5.00 inches (100 x 127 mm)
Displacement:365.2 ci (6.0 L)
Oil capacity:15.3 qts (14.5 L)
Starter volts:12
Cooling system:viscous fan
Coolant capacity:26.92 qts (25.5 L)
Compression ratio:17.5:1

Weight

Shipping:11,052 lbs (2WD) (5013 kg), 11,949 lbs (4WD) (5420 kg), 13,410 lbs (CVT 4WD) (6082 kg)
Operating:13,140 lbs (2WD) (5960 kg), 13,215 lbs (4WD) (5994 kg), 14,835 lbs (CVT 4WD) (6729 kg)
Max Drawbar:3821 lbs (1733 kg)
Max rear axle:12897 lbs (5850 kg)
2WD Max front axle:4652 lbs (2110 kg)
4WD Max front axle:7496 lbs (3400 kg)

Capacity

Fuel:71 gal (268.7 L)
Hydraulic system:18.5 gal (AutoPower) (70.0 L), 26.4 gal (CVT) (99.9 L)

Variants

6480:similar Massey Ferguson model
7480:similar Massey Ferguson model

Electrical

Ground:negative
Batteries:2
Battery CCA:420
Battery volts:12
Charging amps:120
Charging system:alternator

Hydraulics

Type:closed center pressure flow compensating (PFC)
Capacity:18.5 gal (AutoPower) (70.0 L), 26.4 gal (CVT) (99.9 L)
Pressure:2900 psi (200.0 bar)
Total flow:29 gpm (109.8 lpm)
Rear valves:2 to 4

Mechanical

Cab:standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control.
Drive:Two- or four-wheel drive
Brakes:Hydraulic wet disc brakes
Final drives:inboard planetary
Power steering:Yes
Trailer brakes:hydraulic (Optional)
Differential lock:electro-hydraulic front and rear

Production

Type:Row-Crop tractor
Notes:The Challenger MT545B is similar to the Massey Ferguson 7480.
Series:MT500B Series
Built in:Beauvais, France
Years produced:2004 - 2011

Transmission

Options:32-speed partial power shift, 24-speed partial power shift, continuously variable transmission

AutoPower IV

Type:partial power shift
Gears:32 forward and reverse
Clutch:hydraulic wet disc
Description:Four synchronized gears (1-4) in two synchronized ranges (low/high) with a four-speed (A-D) power shift on the left-hand power shuttle lever.

AutoPower VI

Type:partial power shift
Gears:24 forward and reverse
Description:Four gears with six power shift ranges. The AutoPower VI became acailable in 2005.

TechStar CVT

Type:continuously variable transmission
Gears:infinite forward and reverse (2-range)
Notes:50 KPH speeds available with front-axle suspension.
Oil capacity:59.2 qts (56.0 L)

Tractor hitch

Rear Type:II/III
Front lift:5,500 lbs (2494 kg)
Front Hitch:optional
Rear lift (at 24"/610mm):9,391 lbs (4259 kg), 11,200 lbs (CVT) (5080 kg)

Dimensions & Tires

Width:81.1 inches (205 cm)
Length:168.5 inches (427 cm)
Rear tire:580/70R38
Wheelbase:112.1 inches (284 cm)
Front tire:11.00-16
Rear tread:55.5 to 91 inches (140 to 231 cm) (short bar), 55.5 to 116.3 inches (140 to 295 cm) (long bar), 56.9 to 90.6 inches (144 to 230 cm) (flange)
Height (cab):112.8 inches (286 cm)
Bar rear axle:3.2 by 82 inches (81 by 2082 mm), 3.2 by 113 inches (81 by 2870 mm)
2WD Front tread:64.1 to 83 inches (162 to 210 cm), 73.2 to 96 inches (185 to 243 cm) (wide row-crop axle)
4WD Front tread:61.2 to 89.2 inches (155 to 226 cm)
Flange rear axle:Optional
Clearance (drawbar):15.4 inches (39 cm)

Power Take-off (PTO)

Clutch:electro-hydraulic wet disc
Rear PTO:independent
Engine RPM:540@1980, 540E@1533, 1000@2000, 1000E@1548
Rear PTO Type:540/1000 (standard), 540/540E/1000 (Optional)

Related Models

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Challenger MT545

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