Challenger MT525B Specs ( 2004-2011 )
Production
| Description | Row-Crop tractor / Built in Beauvais, France / The Challenger 525B is similar to the Massey Ferguson 6465 and 7465. |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Caterpillar 6.0L 6-cyl diesel |
|---|---|
| Air cleaner | dual paper elements |
| Bore/Stroke | 3.937x5.00 inches (100 x 127 mm) |
| Compression | 17.5:1 |
| Coolant capacity | 29.6 qts (28.0 L) |
| Cooling system | viscous fan |
| Description | Caterpillar 3056C / turbocharged diesel / 6-cylinder / liquid-cooled vertical inline |
| Displacement | 365.2 ci (6.0 L) |
| Emissions | Tier II |
| Fuel system | electronic direct injection |
| Idle RPM | 800-2350 |
| Oil capacity | 15.3 qts (14.5 L) |
| Power | 118 hp (88.0 kW) |
| Rated RPM | 2200 |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| Drawbar (tested) | 81.8 hp (61.0 kW) |
| PTO (claimed) | 95 hp (70.8 kW) |
| PTO (tested) | 110.9 hp (82.7 kW) |
Transmission
| 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. / Four gears with six power shift ranges. The AutoPower VI became acailable in 2005. |
| Gears | 32 forward and reverse / 24 forward and reverse / infinite forward and reverse (2-range) |
| Oil capacity | 59.2 qts (56.0 L) |
| Transmission | AutoPower IV / AutoPower VI / TechStar CVT |
| Type | partial power shift / partial power shift / continuously variable transmission |
| Description | continuously variable transmission |
| Transmission type | 32-speed partial power shift / 24-speed partial power shift |
| Description | continuously variable transmission |
| Transmission type | 32-speed partial power shift / 24-speed partial power shift |
Mechanical
| Cab | Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic front and rear |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
| Trailer brakes | hydraulic OptOptional |
Capacity
| AutoPower Hydraulic system | 18.5 gal (70.0 L) |
|---|---|
| CVT Hydraulic system | 26.4 gal (99.9 L) |
| Fuel | 71 gal (268.7 L) |
Hydraulics
| 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) |
| Type | closed center pressure flow compensating (PFC) |
Hitch
| 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) |
| Rear Type | II/III |
PTO
| Engine RPM | 540@1980 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 420 |
| Battery volts | 12 |
| Charging amps | 120 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 14L-16.1 (2WD) |
|---|---|
| Ag rear | 18.4R38 |
| 2WD Front tread | 64.1 to 83 inches (162 to 210 cm) / 73.2 to 96 inches (wide row-crop axle) (185 to 243 cm) |
| 2WD Wheelbase | 112.1 inches (284 cm) |
| 4WD Front tread | 61.7 to 80.8 inches (156 to 205 cm) |
| 4WD Wheelbase | 109.5 inches (278 cm) |
| Clearance (drawbar) | 15.4 inches (39 cm) |
| Description | Flange rear axle |
| Height (cab) | 112.8 inches (286 cm) |
| Length | 168.5 inches (427 cm) |
| Rear tread | 54.4 to 88.1 inches (138 to 223 cm) |
| Width | 81.1 inches (205 cm) |
| 2WD Wheelbase | 112.1 inches (284 cm) |
| 4WD Wheelbase | 109.5 inches (278 cm) |
| Front tire | 14L-16.1 |
| Rear tire | 18.4R38 |
| Weight | 11052 to 14835 pounds |
Challenger MT525B Weight
| 2WD Max front axle | 4652 lbs (2110 kg) |
|---|---|
| 2WD Shipping | 11052 lbs (5013 kg) |
| 4WD Max front axle | 7054 lbs (3199 kg) |
| 4WD Operating | 12180 lbs (5524 kg) |
| 4WD Shipping | 11546 lbs (5237 kg) |
| CVT 4WD Operating | 14835 lbs (6729 kg) |
| CVT 4WD Shipping | 13084 lbs (5934 kg) |
| Max Drawbar | 3821 lbs (1733 kg) |
| Max rear axle | 12345 lbs (5599 kg) |
MT525B Serial Numbers
| 2004 | N00001 |
|---|---|
| 2005 | P00001 |
| 2006 | R00001 |
| 2007 | S00001 |
| Description | FAQ: How to read a serial number table. |
OCED Tractor Test 2193
| Description | Diesel CVT 4WDJanuary 2004 - March 2004, Link: OCED Tractor Test 2193 file / PTO performance / Drawbar performance / Pull at 6.2 KPH / Pull at 3.3 KPH |
|---|---|
| Fuel use | 6.3 gal/hour (23.8 l/hour) / 6.6 gal/hour (25.0 l/hour) / 6.5 gal/hour (24.6 l/hour) |
| Max power | 106.5 hp (79.4 kW) / 81.8 hp (61.0 kW) |
| Max pull | 14,310 lbs (6491 kg) |
| Power at rated engine speed | 96.7 hp (72.1 kW) |
| Power at rated PTO speed | 102.5 hp (76.4 kW) |
OCED Tractor Test 5153
| Description | Diesel AutoPower IV 4WDFebruary 2004 - March 2004, Link: OCED Tractor Test 5153 file / PTO performance / Drawbar performance / Gear 1LB used for power test. / Gear 1TD used for pull test. |
|---|---|
| Fuel use | 6.4 gal/hour (24.2 l/hour) / 6.7 gal/hour (25.4 l/hour) / 6.7 gal/hour (25.4 l/hour) / 5.6 gal/hour (21.2 l/hour) |
| Max power | 110.9 hp (82.7 kW) / 60.2 hp (44.9 kW) |
| Max pull | 10,160 lbs (4608 kg) |
| Power at rated engine speed | 96.7 hp (72.1 kW) |
| Power at rated PTO speed | 109.2 hp (81.4 kW) |
References
| Description | 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 |
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Speeds
| Description | With 18.4R38 rear tires. / 50 KPH speeds available with front-axle suspension. |
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Tractor Tests
| Description | OECD 5153: diesel AutoPower IV 4WD / OECD 2193: diesel CVT 4WD |
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Variants
| 6465 | similar Massey Ferguson model |
|---|---|
| 7465 | similar Massey Ferguson model |