| Production | |
| Manufacturer | Challenger (a part of AGCO) |
| Row-Crop tractor | |
| Built in Beauvais, France | |
| The Challenger 525B is similar to the Massey Ferguson 6465 and 7465. | |
| Challenger MT525B Engine | |
| Caterpillar 6.0L 6-cyl diesel | |
| Challenger MT525B Transmissions | |
| 32-speed partial power shift | |
| 24-speed partial power shift | |
| continuously variable transmission | |
| Challenger MT525B Power | |
| Engine | 118 hp 88.0 kW |
| PTO (claimed) | 95 hp 70.8 kW |
| Drawbar (tested) | 81.8 hp 61.0 kW |
| PTO (tested) | 110.9 hp 82.7 kW |
| Mechanical | |
| Two- or four-wheel drive | |
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic front and rear |
| Power steering | |
| Hydraulic wet disc brakes | |
| Trailer brakes | hydraulic OptOptional |
| Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control. | |
| Photos | |
| No photos of the Challenger MT525B are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Capacity | |
| Fuel | 71 gal 268.7 L |
| AutoPower Hydraulic system | 18.5 gal 70.0 L |
| CVT Hydraulic system | 26.4 gal 99.9 L |
| Hydraulics | |
| Type | closed center pressure flow compensating (PFC) |
| AutoPower Capacity | 18.5 gal 70.0 L |
| CVT Capacity | 26.4 gal 99.9 L |
| Pressure | 2900 psi 200.0 bar |
| Rear valves | 2 to 4 |
| Total flow | 29 gpm 109.8 lpm |
| Tractor hitch | |
| Rear Type | II/III |
| AP Rear lift (at 24"/610mm) | 8500 lbs 3855 kg |
| CVT Rear lift (at 24"/610mm) | 11200 lbs 5080 kg |
| Front Hitch | optional |
| Front lift | 5,500 lbs 2494 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
|   | 540/540E/1000 OptOptional |
| Engine RPM | 540@1980 |
|   | 540E@1533 |
|   | 1000@2000 |
|   | 1000E@1548 |
| Dimensions & Tires | |
| 2WD Wheelbase | 112.1 inches 284 cm |
| 4WD Wheelbase | 109.5 inches 278 cm |
| Weight | 11052 to 14835 pounds |
| Front tire | 14L-16.1 |
| Rear tire | 18.4R38 |
| MT525B Serial Numbers | |
| 2004 | N00001 |
| 2005 | P00001 |
| 2006 | R00001 |
| 2007 | S00001 |
FAQ: How to read a serial number table. | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 120 |
| Batteries | 2 |
| Battery CCA | 420 |
| Battery volts | 12 |
| References | |
![]() | |
| Challenger MT500B AutoPower IV Product Information Guide published in 2004, by AGCO | |
| Challenger MT500B Series published in 2005, by AGCO | |
| Challenger MT500B TECHstar CVT Product Information Guide published in 2004, by AGCO | |
| Challenger Specialty Wheel Tractors published in 2007 |
| Page information | |
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| Copyright 2024 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on October 21, 2022 |