| Manufacturer | Challenger |
| Price | - |
| Model | MT975B |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Jackson, Minnesota, USA |
ENGINE DETAIL
The Challenger MT975B is powered by a robust Caterpillar C18 turbodiesel engine, providing significant horsepower (570 hp) and a substantial torque output suitable for heavy-duty agricultural applications. Its large displacement (18.1L) and efficient dual dry element air cleaner enhance performance, while the Tier III emissions compliance assures regulatory adherence, albeit potentially limiting operation in jurisdictions with stricter emission standards. With a compression ratio of 16.3:1, the engine is engineered for efficiency, but operators should be aware of potential heat management challenges during prolonged high-load operations.
| Description | Caterpillar C18 turbocharged aftercooled diesel 6-cylinder 24-valve liquid-cooled inline |
| Displacemen | 1106ci / 18.1L |
| Bore/Strok | 5.709x7.205inches / 145x 183 mm |
| Emission | Tier III |
| Powe | 570hp / 425.0kW |
| Air cleane | dual dry element |
| Compressio | 16.3:1 |
| Rated RP | 2100 |
CHALLENGER MT975B ENGINE
The Challenger MT975B features a robust Caterpillar 18.1L 6-cylinder diesel engine, providing high torque output essential for heavy-duty tasks. With a substantial fuel tank capacity of 390 gallons (1476.2 liters), it supports extended operational periods, reducing downtime for refueling during long agricultural projects. Key considerations include the fuel efficiency at varying loads and potential challenges in maintenance given the engine's complexity and size.
| Description | Caterpillar 18.1L 6-cyl diesel |
| Fuel tan | 390gal / 1476.2L |
TRANSMISSION
The Challenger MT975B features a full power shift transmission, allowing for smooth gear transitions with 16 forward and 4 reverse options, enhancing operational efficiency in varied tasks. The hydraulic wet disc clutch provides robust performance, offering excellent durability and smooth engagement under load; however, it may require more maintenance compared to dry clutch systems. This setup is ideal for large-scale farming operations where both speed and control are essential for maximizing productivity in demanding field conditions.
| Typ | full power shift |
| Gear | 16 forward and 4 reverse |
| Clutc | hydraulic wet discs |
CHALLENGER MT975B TRANSMISSION
The Challenger MT975B tractor features a 16-speed full power shift transmission, offering seamless gear changes without interrupting engine power, thus enhancing overall productivity and efficiency during high-load operations. This transmission allows for optimal torque management and precise speed selection across various field conditions. However, operators may require additional training to fully leverage the advanced capabilities of the full power shift system, which could be a consideration in user experience and maintenance planning.
| Description | 16-speed full power shift |
MECHANICAL
The Challenger MT975B features a robust inboard planetary final drive, providing enhanced torque transmission and durability for demanding applications. Its articulated design improves maneuverability on uneven terrain, while wet disc brakes contribute to superior stopping power and reduced maintenance. The optional electro-hydraulic differential lock enhances traction in challenging conditions, making it ideal for heavy-duty fieldwork and rugged landscapes.
| Description | Four-wheel drive/Articulated power steering/Wet disc brakes/Cab standard with air-conditioning. |
| Final drive | inboard planetary |
| Differential loc | electro-hydraulic front and rear optional |
HYDRAULICS
| Typ | closed center PFC |
| Pressur | 2900psi / 200.0bar |
| Rear valve | 4 to 6 |
| Total flo | 43.5gpm / 164.6lpm/59gpmOptOptional / 223.3lpm |
TRACTOR HITCH
| Rear Typ | IVN/III OptOptional/IV OptOptional |
| Rear lif | 19500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PT | independent OptOptional |
| Rear RP | 1000 (1.75) |
| Engine RP | 1000@2000 |
CHALLENGER MT975B TIRES
The Challenger MT975B, equipped with 800/70R38 tires front and rear, offers excellent flotation and traction, making it ideal for large agricultural operations on varied terrain. The larger tire profile enhances stability during fieldwork and minimizes soil compaction, contributing to better crop yields. However, the tractor's size may pose challenges in tighter spaces and transport on narrow roads, necessitating careful maneuvering in confined areas.
| Ag fron | 800/70R38 |
| Ag rea | 800/70R38 |
DIMENSIONS & TIRES
The Challenger MT975B features a substantial wheelbase of 155.5 inches, providing enhanced stability and traction, particularly beneficial in field operations and hilly terrain. Weighing 39,767 lbs, this tractor offers considerable ground engagement, making it suitable for heavy tillage and pulling applications, though care must be taken to manage soil compaction. The uniform tire size (800/70R38) aids in consistent weight distribution, yet may limit versatility in operations requiring varying tire configurations for different tasks.
| Wheelbas | 155.5inches / 394cm |
| Weigh | 39767lbs / 18038kg |
| Front tir | 800/70R38 |
| Rear tir | 800/70R38 |
ELECTRICAL
| Groun | negative |
| Charging syste | alternator |
| Charging amp | 185 |
| Batterie | 4 |
| Battery CC | 1000 |
| Battery volt | 12 |