| Manufacturer | Challenger |
| Price | - |
| Model | MT655B |
| Equipment Type | Row-Crop Tractors |
| Factory | Beauvais, France |
ENGINE DETAIL
The Challenger MT655B tractor is powered by a Sisu 84ETA turbocharged diesel engine, providing robust performance at 260 hp (193.9 kW) suitable for heavy-duty agricultural tasks. Its 8.4L displacement and 17.5:1 compression ratio ensure efficient fuel combustion, while the dual paper air cleaners promote optimal engine cleanliness. However, the relatively high oil capacity of 20 quarts may present an increased maintenance burden, necessitating regular checks and changes to ensure optimal engine functionality.
| Description | Sisu 84ETA turbocharged diesel 6-cylinder 24-valve liquid-cooled vertical inline |
| Displacemen | 513ci / 8.4L |
| Bore/Strok | 4.370x5.709inches / 111x 145mm |
| Powe | 260hp / 193.9kW |
| Air cleane | dual paper elements |
| Pre-heatin | 1000W coolant heater OptOptional |
| Compressio | 17.5:1 |
| Rated RP | 2200 |
| Starter volt | 12 |
| Oil capacit | 20qts / 18.9L |
| Coolant capacit | 35.6qts / 33.7L |
CHALLENGER MT655B ENGINE
The Challenger MT655B is equipped with a Sisu 8.4L 6-cylinder diesel engine, delivering robust horsepower and torque for heavy-duty applications. Its advanced hydraulics and high lift capacity are advantageous for demanding tasks like tillage and planting, while its efficient engine helps reduce fuel consumption. However, potential challenges may include higher maintenance costs for its advanced components and the necessity for specialized training to fully leverage its capabilities in complex farming operations.
| Description | Sisu 8.4L 6-cyl diesel |
TRANSMISSION
The Challenger MT655B features a TechStar continuously variable transmission (CVT) that offers infinite forward and reverse gears across two ranges, enhancing operational flexibility and productivity in varying conditions. With an oil capacity of 70.8 quarts (67.0 liters), efficient lubrication is maintained, ensuring optimal performance and longevity of the transmission system. However, CVTs can require more specialized maintenance and may have higher initial costs compared to traditional transmission systems; thus, operators should consider their long-term operational efficiency and maintenance capabilities.
| Transmissio | TechStar |
| Typ | continuously variable transmission (CVT) |
| Gear | infinite forward and reverse (2-range) |
| Oil capacit | 70.8qts / 67.0L |
CHALLENGER MT655B TRANSMISSION
The Challenger MT655B features a continuously variable transmission (CVT), providing seamless power delivery and optimal engine efficiency across varying speeds and loads. This allows for enhanced fuel savings and superior ease of operation, particularly in applications requiring precise speed control, such as tillage or planting. However, maintenance of CVT systems can be more complex and costly compared to traditional transmissions, which may be a consideration for long-term ownership.
| Description | continuously variable transmission (CVT) |
MECHANICAL
The Challenger MT655B boasts a robust four-wheel drive system and efficient hydraulic wet disc brakes, enhancing traction and stopping power in various terrains. The electrohydraulic differential lock provides optimal power distribution, particularly useful in challenging conditions like muddy or uneven fields. Optional features such as pneumatic cab suspension and automatic climate control improve operator comfort during long working hours, which is advantageous for maximizing productivity.
| Description | 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 | electrohydraulic front and rear |
| Trailer brake | hydraulic OptOptional |
CAPACITY
| Fue | 159gal / 601.8L |
| Hydraulic syste | 26.4gal / 99.9L |
HYDRAULICS
| Typ | pressure flow compensated (PFC) |
| Capacit | 26.4gal / 99.9L |
| Pressur | 2900psi / 200.0bar |
| Valve | 4 to 6 |
| Total flo | 39gpm / 147.6lpm |
TRACTOR HITCH
| Rear Typ | III |
| Rear lift (at 24 | 15,600lbs / 7076kg |
| Front Hitc | II OptOptional |
| Front lif | 7,700lbs / 3492kg 12,100lbsOptOptional / 5488kg |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Clutc | electro-hydraulic wet disc |
| Rear RP | 540 (1.375)/540/540E OptOptional/1000 (1.375)/1000 (1.75) |
| Engine RP | 540@2037 / 540E@ 1598 / 1000@2031 |
CHALLENGER MT655B TIRES
The Challenger MT655B boasts a well-balanced tire configuration, with a front size of 380/85R34 and rear size of 480/80R46, which enhances traction and stability on varied terrain. This setup supports an optimal power-to-weight ratio for efficient fieldwork, making it ideal for row crop and high-horsepower applications. However, operators should ensure proper inflation pressure to prevent soil compaction and tire wear.
| Ag fron | 380/85R34 |
| Ag rea | 480/80R46 |
DIMENSIONS & TIRES
The Challenger MT655B tractor, with a wheelbase of 121.1 inches (307 cm) and a weight range of 19,550 to 20,290 pounds, provides excellent stability and traction, especially in demanding field conditions. The choice of front tires 380/85R34 and rear tires 480/80R46 enhances its capability for heavy load handling and reduces soil compaction. However, operators should consider the higher weight for transport purposes and ensure that the towing vehicle can accommodate it effectively.
| Wheelbas | 121.1inches / 307cm |
| Weigh | 19550 to 20290 pounds |
| Front tir | 380/85R34 |
| Rear tir | 480/80R46 |
ELECTRICAL
| Groun | negative |
| Charging syste | alternator |
| Charging amp | 150 |
| Batterie | 2 |
| Battery CC | 775 |
| Battery volt | 12 |