Challenger
Challenger MT545B
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.
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 | Typepartial power shift Gears32 forward and reverse Clutchhydraulic wet disc DescriptionFour 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 | Typepartial power shift Gears24 forward and reverse DescriptionFour gears with six power shift ranges. The AutoPower VI became acailable in 2005. |
| TechStar CVT | Typecontinuously variable transmission Gearsinfinite forward and reverse (2-range) Notes50 KPH speeds available with front-axle suspension. Oil capacity59.2 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) |