| Manufacturer | Challenger |
| Price | - |
| Model | MT665B |
| Equipment Type | Row-Crop Tractors |
| Factory | Beauvais, France |
ENGINE DETAIL
The Challenger MT665B tractor features a robust Sisu 84ETA turbocharged diesel engine with a high power output of 290 hp, making it suitable for heavy-duty agricultural applications. Its electronic direct injection system enhances fuel efficiency and emissions control, while the 17.5:1 compression ratio indicates potential for high torque and power delivery at rated RPMs of 2200. A noteworthy aspect is the optional 1000W coolant heater, enhancing cold weather start-up reliability—ideal for operations in diverse climates.
| 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 | 290hp / 216.3kW |
| Fuel syste | electronic direct injection |
| Air cleane | dual paper elements |
| Pre-heatin | 1000W coolant heater OptOptional |
| Compressio | 17.5:1 |
| Rated RP | 2200 |
| Idle RP | 800-2350 |
| Starter volt | 12 |
| Oil capacit | 20qts / 18.9L |
| Coolant capacit | 35.6qts / 33.7L |
CHALLENGER MT665B ENGINE
The Challenger MT665B is equipped with a Sisu 8.4L 6-cylinder diesel engine, providing robust power and efficiency for demanding agricultural tasks. Its high torque output enhances performance in heavy-load conditions, while its advanced fuel injection system promotes better combustion efficiency, reducing emissions. However, potential challenges include the engine's complexity, which may result in higher maintenance costs if not properly cared for.
| Description | Sisu 8.4L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The Challenger MT665B features a continuously variable transmission (CVT) that provides seamless speed transitions and enhanced fuel efficiency, ideal for applications requiring precise speed control such as planting and tilling. The 18-speed power shift option allows for rapid gear changes under load, benefiting tasks that demand quick responsiveness, but may introduce additional complexity in operation. Operators should be mindful of the maintenance requirements for CVT systems, as they can be more intricate compared to traditional transmissions.
| Description | continuously variable transmission (CVT)/18-speed power shift |
TRANSMISSION 1
The Challenger MT665B features a TechStar continuously variable transmission (CVT), offering infinite forward and reverse gears across two ranges, providing exceptional flexibility and efficiency in varying field conditions. With a significant oil capacity of 70.8 quarts, the system promotes optimal lubrication and thermal management, essential for prolonged operation and reducing wear. However, potential challenges include higher maintenance complexity associated with CVTs, necessitating specialized knowledge for repairs and servicing.
| Transmissio | TechStar |
| Typ | continuously variable transmission (CVT) |
| Gear | infinite forward and reverse (2-range) |
| Oil capacit | 70.8qts / 67.0L |
TRANSMISSION 2
The Challenger MT665B features a power shift transmission with 18 forward and 9 reverse gears, facilitating precise speed control and optimal torque management for varied agricultural tasks. This gearbox configuration enhances productivity, particularly in scenarios requiring frequent directional changes, such as in row-crop farming or precision tillage. However, the complexity of a power shift system may lead to increased maintenance requirements compared to simpler transmission types.
| Typ | power shift |
| Gear | 18 forward and 9 reverse |
CHALLENGER MT665B TRANSMISSIONS
The Challenger MT665B features a continuously variable transmission (CVT) that offers seamless power delivery and enhanced fuel efficiency, complemented by an 18-speed power shift that allows for quick adjustments in speed under varying load conditions. This combination provides superior traction control and operational flexibility, making it advantageous for tasks that require precise speed management, such as tillage or planting. However, the complexity of the CVT system may pose maintenance challenges and necessitate specialized knowledge for repairs.
| Description | continuously variable transmission (CVT) 18-speed power shift |
MECHANICAL
The Challenger MT665B features four-wheel drive and power steering, enhancing traction and maneuverability on various terrains. Its inboard planetary final drive design offers greater durability and efficiency, while the electrohydraulic differential locking provides improved traction control in challenging conditions. Consider the optional pneumatic cab suspension for enhanced ride comfort, especially during extended operational periods in fluctuating environments.
| 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 MT665B TIRES
The Challenger MT665B tractor features an AG front tire size of 380/85R34 and an AG rear tire size of 480/80R46, providing a balanced load distribution and improved traction in various field conditions. The larger rear tires enhance stability and grip during heavy tillage or transport operations, though they may limit maneuverability in tighter spaces. Additionally, ensure optimal tire pressures to maximize soil protection and minimize compaction during use.
| Ag fron | 380/85R34 |
| Ag rea | 480/80R46 |
DIMENSIONS & TIRES
The Challenger MT665B features a 121.1-inch wheelbase, providing stability and improved traction over varied terrains. Weighing between 19,550 to 20,290 pounds, it delivers robust support for heavy attachments, making it ideal for demanding agricultural tasks. With front tires of 380/85R34 and rear tires of 480/80R46, this tractor excels in flotation and soil compaction reduction, critical for optimizing field performance and minimizing crop damage.
| 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 |