Challenger
Challenger MT525B
The Challenger MT525B is a row-crop tractor produced from 2004 to 2011 as part of the MT500B Series. Built in Beauvais, France, it shares similarities with the Massey Ferguson 6465 and 7465 models. It features a Caterpillar 6.0L 6-cylinder turbocharged diesel engine delivering 118 hp, with multiple transmission options including partial power shift and continuously variable transmission. The tractor offers two- or four-wheel drive, advanced hydraulics, and a variety of hitch and PTO configurations, making it versatile for agricultural tasks.
Power118 hp
Founded2004 - 2011
ModelMT525B
Technical Specifications
Detailed specifications and technical data for Challenger MT525B
Power
| Engine power | 118 hp (88.0 kW) |
|---|---|
| PTO (tested) | 110.9 hp (82.7 kW) |
| PTO (claimed) | 95 hp (70.8 kW) |
| Drawbar (tested) | 81.8 hp (61.0 kW) |
Tires
| Ag rear | 18.4R38 |
|---|---|
| Ag front | 14L-16.1 (2WD), 14.9R28 (4WD) |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Caterpillar 3056C |
| Power | 118 hp (88.0 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) |
| Fuel system | electronic direct injection |
| Displacement | 365.2 ci (6.0 L) |
| Oil capacity | 15.3 qts (14.5 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| Cooling system | viscous fan |
| Coolant capacity | 29.6 qts (28.0 L) |
| Compression ratio | 17.5:1 |
Weight
| Max Drawbar | 3821 lbs (1733 kg) |
|---|---|
| 2WD Shipping | 11052 lbs (5013 kg) |
| 4WD Shipping | 11546 lbs (5237 kg) |
| 4WD Operating | 12180 lbs (5524 kg) |
| Max rear axle | 12345 lbs (5599 kg) |
| CVT 4WD Shipping | 13084 lbs (5934 kg) |
| CVT 4WD Operating | 14835 lbs (6729 kg) |
| 2WD Max front axle | 4652 lbs (2110 kg) |
| 4WD Max front axle | 7054 lbs (3199 kg) |
Capacity
| Fuel | 71 gal (268.7 L) |
|---|---|
| CVT Hydraulic system | 26.4 gal (99.9 L) |
| AutoPower Hydraulic system | 18.5 gal (70.0 L) |
Dimensions
| Width | 81.1 inches (205 cm) |
|---|---|
| Length | 168.5 inches (427 cm) |
| Rear tread | 54.4 to 88.1 inches (138 to 223 cm) |
| Height (cab) | 112.8 inches (286 cm) |
| 2WD Wheelbase | 112.1 inches (284 cm) |
| 4WD Wheelbase | 109.5 inches (278 cm) |
| 2WD Front tread | 64.1 to 83 inches (162 to 210 cm) |
| 4WD Front tread | 61.7 to 80.8 inches (156 to 205 cm) |
| Clearance (drawbar) | 15.4 inches (39 cm) |
| 2WD Front tread (wide row-crop axle) | 73.2 to 96 inches (185 to 243 cm) |
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) |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Total flow | 29 gpm (109.8 lpm) |
| Rear valves | 2 to 4 |
| CVT Capacity | 26.4 gal (99.9 L) |
| AutoPower Capacity | 18.5 gal (70.0 L) |
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 525B is similar to the Massey Ferguson 6465 and 7465. |
| 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 available 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 |
| AP Rear lift (at 24"/610mm) | 8500 lbs (3855 kg) |
| CVT Rear lift (at 24"/610mm) | 11200 lbs (5080 kg) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@1980, 540E@1533, 1000@2000, 1000E@1548 |
| Optional PTO | 540/540E/1000 Optional |
| Rear PTO Type | 540/1000 (1.375) |