| Manufacturer | Challenger |
| Price | - |
| Model | MT555B |
| Equipment Type | Row-Crop Tractors |
| Factory | Beauvais, France |
ENGINE DETAIL
The Challenger MT555B tractor features a robust Caterpillar 3056C turbocharged diesel engine with a substantial displacement of 6.0L, delivering 153 horsepower at a rated RPM of 2200. Its viscous fan cooling system enhances thermal efficiency, while the 17.5:1 compression ratio aids in torque production, ideal for heavy-duty agricultural tasks. However, adherence to Tier II emissions may limit its appeal in markets demanding stricter regulations, potentially impacting resale value in regions transitioning to cleaner standards.
| 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 | 153hp / 114.1kW |
| Cooling syste | viscous fan |
| Air cleane | dual paper elements |
| Compressio | 17.5:1 |
| Rated RP | 2200 |
| Idle RP | 800-2350 |
| Starter volt | 12 |
| Oil capacit | 20qts / 18.9L |
| Coolant capacit | 29.6qts / 28.0L |
CHALLENGER MT555B ENGINE
The Challenger MT555B is powered by a Caterpillar 6.0L 6-cylinder diesel engine, providing robust horsepower and torque for demanding agricultural tasks. Its advanced fuel injection system enhances efficiency and performance, particularly in heavy-duty applications, though potential challenges include the availability of specialized maintenance. Optimal for large-scale farming operations, the MT555B excels in pulling heavy equipment and navigating diverse field conditions, making it a versatile choice for modern agricultural practices.
| Description | Caterpillar 6.0L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The Challenger MT555B features a continuously variable transmission (CVT) with a 32-speed partial power shift, enabling seamless gear changes for optimized power delivery and improved fuel efficiency. This design enhances operator comfort and precision in various field conditions but may pose a complexity challenge in maintenance and repairs. Ideal for large-scale farming operations where versatility and adaptability to different tasks are crucial.
| Description | continuously variable transmission 32-speed partial power shift |
TRANSMISSION 1
The Challenger MT555B features a TechStar CVT, providing seamless power delivery with infinite forward and reverse gears, benefiting operators with enhanced maneuverability and efficiency, particularly in variable field conditions. With a significant oil capacity of 61.2 quarts (57.9 liters), it ensures better lubrication and heat dissipation during extended operations, thus prolonging transmission life. However, the complexity of the continuously variable transmission may pose challenges in maintenance and repairs compared to traditional gear systems.
| Transmissio | TechStar CVT |
| Typ | continuously variable transmission |
| Gear | infinite forward and reverse (two-range) |
| Oil capacit | 61.2qts / 57.9L |
SPEEDS 1
| Description | 50 KPH speeds available with front-axle suspension./ |
TRANSMISSION 2
The Challenger MT555B features an AutoPower IV transmission with 32 forward and reverse gears, enhancing operational flexibility across varying terrains and tasks. The hydraulic wet disc clutch system ensures smooth engagement and longevity under heavy loads, while the four synchronized gears and power shift capability provide efficient power management. However, mastering the gear shifting can be challenging for novice operators, necessitating proper training for optimal performance in diverse agricultural scenarios.
| Transmissio | AutoPower IV |
| Typ | partial power shift |
| Gear | 32 forward and reverse |
| Clutc | hydraulic wet disc |
| Oil capacit | 61.2qts / 57.9L |
| 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 2
| Description | With 20.8R38 rear tires |
CHALLENGER MT555B TRANSMISSIONS
The Challenger MT555B features a continuously variable transmission (CVT) combined with a 32-speed partial power shift, allowing for seamless speed adjustments and improved fuel efficiency. This transmission system reduces mechanical stress, enhances operator comfort with smooth shifting, and optimizes power delivery across varying field conditions. However, potential challenges include higher repair costs for the complex CVT system and a learning curve for operators unfamiliar with CVT functionality.
| Description | continuously variable transmission/32-speed partial power shift |
MECHANICAL
The Challenger MT555B tractor features a robust inboard planetary final drive, which enhances durability and provides a compact design, allowing for improved maneuverability in tight spaces. Its electro-hydraulic differential lock helps in maximizing traction across varied terrain, an advantage during adverse field conditions. Prospective users should consider the optional pneumatic cab suspension for enhanced operator comfort during long hours, especially in rugged agricultural environments.
| 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 | 100gal / 378.5L |
| Hydraulic syste | 18.5 gal (AutoPower)/70.0 L/26.4 gal (CVT)/99.9 L |
HYDRAULICS
| Typ | closed center PFC |
| Capacit | 18.5 gal (AutoPower)/70.0 L/26.4 gal (CVT)/99.9 L |
| Pressur | 2900psi / 200.0bar |
| Valve | 4 |
| Total flo | 29gpm / 109.8lpm |
TRACTOR HITCH
| Rear Typ | II/III |
| Rear lift (at 24 | 14,700lbs / 6667kg/13,700 lbs (CVT)/6214 kg |
| Front Hitc | optional |
| Front lift (at ends | 5,500lbs / 2494kg/7700 lbs (optional)/3492 kg |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Clutc | electro-hydraulic wet disc |
| Rear RP | 540/1000/540/540E / 1000OptOptional |
| Engine RP | 540@1890 / 540E@1523 / 1000@2000 |
CHALLENGER MT555B TIRES
The Challenger MT555B features a front tire size of 380/85R30 and rear tire size of 480/80R42, optimizing ground contact and traction for fieldwork. This configuration enhances stability and load distribution, making it well-suited for demanding agricultural applications like tillage and planting. However, operators should be mindful of potential soil compaction due to larger tire sizes, which may necessitate careful management of weight and speed in sensitive soil conditions.
| Ag fron | 380/85R30 |
| Ag rea | 480/80R42 |
DIMENSIONS & TIRES
The Challenger MT555B tractor features a substantial wheelbase that enhances stability, particularly in 2WD mode at 121.4 inches and slightly shorter in 4WD at 118.7 inches, making it versatile for various terrains. Weighing between 14,028 to 15,060 pounds, its robust build provides excellent traction and load-bearing capacity, though it may limit maneuverability in tighter spaces. The larger front tire size (420/90R30) and rear tire size (520/85R42) optimize ground contact and reduce soil compaction, crucial for sensitive agricultural operations.
| 2WD Wheelbas | 121.4inches / 308cm |
| 4WD Wheelbas | 118.7inches / 301cm |
| Weigh | 14028 to 15060 pounds |
| Front tir | 420/90R30 |
| Rear tir | 520/85R42 |
ELECTRICAL
| Groun | negative |
| Charging syste | alternator |
| Charging amp | 120 |
| Batterie | 2 |
| Battery CC | 420 |
| Battery volt | 12 |