| Manufacturer | Challenger |
| Price | - |
| Model | MT525B |
| Equipment Type | Row-Crop Tractors |
| Factory | Beauvais, France |
ENGINE DETAIL
The Challenger MT525B tractor features a robust Caterpillar 3056C turbocharged diesel engine with 118 hp, ideal for moderate fieldwork and transport. Its electronic direct fuel injection enhances efficiency, while a viscous fan aids in maintaining optimal operating temperatures under various loads. However, with a Tier II emission rating, it may be less eco-friendly compared to newer models, necessitating consideration for regulatory compliance in certain regions.
| Description | Caterpillar 3056C turbocharged diesel 6-cylinder liquid-cooled vertical inline |
| Displacemen | 365.2ci / 6.0L |
| Bore/Strok | 3.937x5.00inches / 100x 127 mm |
| Emission | Tier II |
| Powe | 118hp / 88.0kW |
| Fuel syste | electronic direct injection |
| Cooling syste | viscous fan |
| Air cleane | dual paper elements |
| Compressio | 17.5:1 |
| Rated RP | 2200 |
| Idle RP | 800-2350 |
| Starter volt | 12 |
| Starter powe | 4 hp/3.0 kW |
| Oil capacit | 15.3qts / 14.5L |
| Coolant capacit | 29.6qts / 28.0L |
CHALLENGER MT525B ENGINE
The Challenger MT525B is powered by a robust Caterpillar 6.0L 6-cylinder diesel engine, offering superior torque and fuel efficiency for demanding applications. Its compact design enhances maneuverability in tight spaces, while the high hydraulic horsepower supports a variety of implements, making it versatile for both field and farm tasks. However, the relatively smaller engine size may limit maximum towing capacity compared to larger tractors, which should be considered for heavy-duty applications.
| Description | Caterpillar 6.0L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The Challenger MT525B tractor features a 32-speed partial power shift transmission, offering enhanced control and versatility for various agricultural tasks. The 24-speed continuously variable transmission (CVT) provides smooth operation and optimal engine performance, ideal for applications requiring precision, such as tillage or planting. However, the complexity of these transmissions may lead to higher maintenance needs and potential repair costs over time.
| Description | 32-speed partial power shift 24-speed partial power shift continuously variable transmission |
TRANSMISSION 1
The Challenger MT525B features the AutoPower IV transmission, integrating a partial power shift with 32 forward and reverse gears, enhancing operational flexibility for varied field conditions. Its hydraulic wet disc clutch ensures smooth engagement, reducing wear and providing efficient power transmission. However, operators may need to adapt to the four synchronized gears and power shift system for optimal performance in different agricultural tasks, maximizing productivity in both low and high ranges.
| Transmissio | AutoPower IV |
| Typ | partial power shift |
| Gear | 32 forward and reverse |
| Clutc | 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. |
SPEEDS 1
| Description | With 18.4R38 rear tires |
TRANSMISSION 2
The Challenger MT525B features the AutoPower VI transmission, which offers a partial power shift system with 24 forward and reverse gears, enhancing operational versatility across varied terrain. Its four gears and six power shift ranges allow for seamless transitions, optimizing engine output and fuel efficiency during work. However, operators must be familiar with the complexities of multi-range shifting to fully leverage the advantages, particularly in challenging field conditions.
| Transmissio | AutoPower VI |
| Typ | partial power shift |
| Gear | 24 forward and reverse |
| Description | Four gears with six power shift ranges. The AutoPower VI became acailable in 2005. |
TRANSMISSION 3
The Challenger MT525B tractor features a TechStar CVT, providing seamless power delivery with infinite forward and reverse gears, enhancing operator efficiency during field operations. Its 59.2-quart oil capacity optimizes hydraulic performance and extends service intervals, but ensures regular maintenance is crucial to prevent overheating. This transmission type is advantageous in applications requiring precise speed control, though it may present a learning curve for operators unfamiliar with CVTs.
| Transmissio | TechStar CVT |
| Typ | continuously variable transmission |
| Gear | infinite forward and reverse (2-range) |
| Oil capacit | 59.2qts / 56.0L |
SPEEDS 2
| Description | 50 KPH speeds available with front-axle suspension./ |
CHALLENGER MT525B TRANSMISSIONS
The Challenger MT525B tractor features a versatile transmission system that includes options for 32-speed and 24-speed partial power shift configurations, as well as a continuously variable transmission (CVT). The primary advantage of the CVT is its ability to provide seamless speed adjustments, enhancing fuel efficiency and operator comfort. However, the complexity of multi-speed systems may require more detailed maintenance and operator training to optimize performance in field operations.
| Description | 32-speed partial power shift/24-speed partial power shift/continuously variable transmission |
MECHANICAL
The Challenger MT525B features an inboard planetary final drive, providing a compact design and enhanced durability, making it suitable for various agricultural applications. Its electro-hydraulic differential locks offer improved traction and maneuverability, particularly in challenging terrains. However, the optional pneumatic cab suspension, while enhancing operator comfort, may increase maintenance complexity, and the hydraulic trailer brake option presents additional setup considerations for users needing towing capabilities.
| Description | Two- or four-wheel drive/Power steering/Hydraulic wet disc brakes/Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control. |
| Final drive | inboard planetary |
| Differential loc | electro-hydraulic front and rear |
| Trailer brake | hydraulic OptOptional |
CAPACITY
| Fue | 71gal / 268.7L |
| AutoPower Hydraulic syste | 18.5gal / 70.0L |
| CVT Hydraulic syste | 26.4gal / 99.9L |
HYDRAULICS
| Typ | closed center pressure flow compensating (PFC) |
| AutoPower Capacit | 18.5gal / 70.0L |
| CVT Capacit | 26.4gal / 99.9L |
| Pressur | 2900psi / 200.0bar |
| Rear valve | 2 to 4 |
| Total flo | 29gpm / 109.8lpm |
TRACTOR HITCH
| Rear Typ | II/III |
| AP Rear lift (at 24 | 8500lbs / 3855kg |
| CVT Rear lift (at 24 | 11200lbs / 5080kg |
| Front Hitc | optional |
| Front lif | 5,500lbs / 2494kg |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Rear RP | 540/1000 (1.375)/540/540E / 1000OptOptional |
| Engine RP | 540@1980 / 540E@1533 / 1000@2000 / 1000E@1548 |
CHALLENGER MT525B TIRES
The Challenger MT525B tractor offers versatile tire options, with 14L-16.1 for 2WD and 14.9R28 for 4WD in the front, and 18.4R38 at the rear, maximizing traction across various terrains. The 4WD variant provides enhanced stability and pull, making it suitable for heavy tillage and hilly environments. However, operators should consider the trade-off in maneuverability due to the wider rear tires when working in tighter spaces.
| Ag fron | 14L-16.1 (2WD)/14.9R28 (4WD) |
| Ag rea | 18.4R38 |
DIMENSIONS & TIRES
The Challenger MT525B features a robust 2WD wheelbase of 112.1 inches and a slightly shorter 4WD wheelbase at 109.5 inches, offering advantages in stability and maneuverability for various agricultural tasks. With a weight range of 11,052 to 14,835 pounds, it provides significant traction and stability, though the weight may limit mobility on soft or uneven terrain. The front tire dimensions of 14L-16.1 and rear tire size of 18.4R38 ensure adequate flotation and grip, making it ideal for heavy-duty applications in field preparation or transport in diverse soil conditions.
| 2WD Wheelbas | 112.1inches / 284cm |
| 4WD Wheelbas | 109.5inches / 278cm |
| Weigh | 11052 to 14835 pounds |
| Front tir | 14L-16.1 |
| Rear tir | 18.4R38 |
ELECTRICAL
| Groun | negative |
| Charging syste | alternator |
| Charging amp | 120 |
| Batterie | 2 |
| Battery CC | 420 |
| Battery volt | 12 |