Challenger MT525B
Power
118 hp
Production
2004-2011
Engine
Turbocharged diesel, 6-cylinder
Transmission
AutoPower IV
Drive
2WD/4WD
From the same series:
Introduction
Challenger MT525B: Technical Specifications and Overview
The Challenger MT525B is a row-crop tractor produced between 2004 and 2011 at the AGCO manufacturing facility in Beauvais, France. It belongs to the Challenger MT500B series and is designed for versatile agricultural applications, sharing structural commonalities with models such as the Massey Ferguson 6465 and 7465.
Engine and Performance
The tractor is powered by a Caterpillar 3056C engine, a 6.0-liter, 6-cylinder turbocharged diesel unit. It utilizes electronic direct injection and features a liquid-cooled system with a viscous fan. The engine is rated at 118 hp (88.0 kW) at a rated speed of 2200 RPM, with a compression ratio of 17.5:1, meeting Tier II emission standards.
Transmission and Drivetrain
Operators have access to three transmission configurations: the AutoPower IV, which provides 32 forward and reverse speeds via a partial power shift; the AutoPower VI, offering 24 speeds; and the TechStar CVT, a continuously variable transmission for infinite speed control. The drivetrain includes an electro-hydraulic differential lock for both front and rear axles and is available in either two-wheel or four-wheel drive.
Hydraulics and PTO
The hydraulic system is a closed-center pressure flow compensating (PFC) type, capable of a total flow of 29 gpm (109.8 lpm) at a system pressure of 2900 psi (200.0 bar). The rear PTO is independent and offers multiple configurations, including 540, 540E, and 1000 RPM settings to accommodate various implement requirements.
Hitch and Dimensions
The MT525B is equipped with a Category II/III rear hitch. Depending on the transmission, the rear lift capacity at 24 inches (610 mm) reaches up to 8,500 lbs (3,855 kg) for AutoPower models and 11,200 lbs (5,080 kg) for CVT models. An optional front hitch is available with a lift capacity of 5,500 lbs (2,494 kg).
Conclusion
The Challenger MT525B is a well-rounded row-crop tractor suitable for a variety of farming operations. Its combination of multiple transmission choices, high-capacity hydraulics, and comfortable cab environment makes it a reliable choice for farmers requiring flexibility and efficiency in field tasks.
Production Information of Challenger, MT525B
- The Challenger 525B is similar to the Massey Ferguson 6465 and 7465.
- Row-Crop tractor
- Built in Beauvais, France
| Manufacturer | Challenger (a part of AGCO) |
|---|
Dimension and Tires Information of Challenger, MT525B
- Flange rear axle
| Rear tread | 54.4 to 88.1 inches [138 to 223 cm] |
|---|---|
| 2WD Wheelbase | 112.1 inches [284 cm] |
| Height (cab) | 112.8 inches [286 cm] |
| Width | 81.1 inches [205 cm] |
| 4WD Wheelbase | 109.5 inches [278 cm] |
| 2WD Front tread | 64.1 to 83 inches [162 to 210 cm] |
| Clearance (drawbar) | 15.4 inches [39 cm] |
| Length | 168.5 inches [427 cm] |
| 4WD Front tread | 61.7 to 80.8 inches [156 to 205 cm] |
| 2WD Front tread | 73.2 to 96 inches [185 to 243 cm (wide row-crop axle)] |
| Ag front | 14L-16.1 (2WD) |
|---|---|
| Ag front(optional) | 14.9R28 (4WD) |
| Ag rear | 18.4R38 |
Engine Specifications of Challenger, MT525B
- Caterpillar 3056C
- Liquid-cooled vertical inline
- Turbocharged diesel
- 6-cylinder
| Starter power | 4 hp [3.0 kW] |
|---|---|
| Starter volts | 12 |
| Power | 118 hp [88.0 kW] |
| Oil capacity | 15.3 qts [14.5 L] |
| Cooling system | Viscous fan |
| Air cleaner | Dual paper elements |
| Fuel system | Electronic direct injection |
| Displacement | 365.2 ci [6.0 L] |
| Emissions | Tier II |
| Bore/Stroke | 3.937x5.00 inches [100 x 127 mm] |
| Idle RPM | 800-2350 |
| Coolant capacity | 29.6 qts [28.0 L] |
| Rated RPM | 2200 |
| Compression | 17.5:1 |
Transmission Information of Challenger, MT525B
Transmission variants 1
- 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.
| Transmission | AutoPower IV |
|---|---|
| Clutch | Hydraulic wet disc |
| Type | Partial power shift |
| Gears | 32 forward and reverse |
Transmission variants 2
- Four gears with six power shift ranges. The AutoPower VI became acailable in 2005.
| Transmission | AutoPower VI |
|---|---|
| Type | Partial power shift |
| Gears | 24 forward and reverse |
Transmission variants 3
| Transmission | TechStar CVT |
|---|---|
| Oil capacity | 59.2 qts [56.0 L] |
| Type | Continuously variable transmission |
| Gears | Infinite forward and reverse (2-range) |
- 32-speed partial power shift
- 24-speed partial power shift
- Continuously variable transmission
Mechanical Specs of Challenger, MT525B
- Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control.
- Two- or four-wheel drive
- Hydraulic wet disc brakes
- Power steering
| Final drives | Inboard planetary |
|---|---|
| Trailer brakes(optional) | Hydraulic |
| Differential lock | Electro-hydraulic front and rear |
Power Information of Challenger, MT525B
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 540E@1533 |
| Engine RPM | 540@1980 |
| Rear PTO Type | 540/1000 (1.375) |
| Rear PTO Type(optional) | 1000@2000 |
| Rear PTO Type(optional) | 540/540E/1000 |
Hydraulics Specifications of Challenger, MT525B
| Type | Closed center pressure flow compensating (PFC) |
|---|---|
| Rear valves | 2 to 4 |
| Pressure | 2900 psi [200.0 bar] |
| AutoPower Capacity | 18.5 gal [70.0 L] |
| Total flow | 29 gpm [109.8 lpm] |
| CVT Capacity | 26.4 gal [99.9 L] |
Three-Point Hitch of Challenger, MT525B
| 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] |
Electrical System of Challenger, MT525B
| Ground | Negative |
|---|---|
| Battery CCA | 420 |
| Batteries | 2 |
| Charging system | Alternator |
| Battery volts | 12 |
| Charging amps | 120 |
Where it sits
With 118 HP, the Challenger MT525B sits just below MT535B (133 HP) in Challenger's range. Its power puts it in the 72th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the Challenger MT525B have?
The Challenger MT525B delivers 118 HP.
What years was the Challenger MT525B produced?
The Challenger MT525B was produced in 2004-2011.
What engine does the Challenger MT525B have?
The Challenger MT525B is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the Challenger MT525B use?
The Challenger MT525B uses a AutoPower IV transmission.
Is the Challenger MT525B 4WD?
The Challenger MT525B is available in 2WD/4WD.