| Manufacturer | Challenger |
| Price | 335,497(USD) |
| Model | MT685D |
| Equipment Type | Row-Crop Tractors |
| Factory | Jackson, Minnesota, USA |
ENGINE DETAIL
The Challenger MT685D tractor is equipped with a robust AGCO Power 6-cylinder turbocharged diesel engine, delivering a gross power of 340 hp, and a maximum achievable power of 370 hp, making it suitable for heavy-duty agricultural tasks. Its selective catalytic reduction (SCR) system ensures compliance with Interim Tier IV emissions standards, potentially leading to reduced environmental impact but may increase operational complexity and maintenance requirements. The electronic high-pressure common rail fuel system provides optimal fuel atomization, enhancing engine efficiency at its rated RPM of 2100, which is advantageous for demanding applications.
| Description | AGCO Power turbocharged air-to-air intercooled diesel 6-cylinder liquid-cooled |
| Displacemen | 513.8ci / 8.4L |
| Bore/Strok | 4.370x5.709inches / 111x 145 mm |
| Emission | Interim Tier IV |
| Emission contro | selective catalytic reduction (SCR) |
| Power (gross | 340hp / 253.5kW |
| Maximum Powe | 370hp / 275.9kW |
| Fuel syste | electronic high-pressure common rail |
| Pre-heatin | thermostart |
| Compressio | 16.7:1 |
| Rated RP | 2100 |
| Starte | electric |
| Starter volt | 12 |
CHALLENGER MT685D ENGINE
The Challenger MT685D features an AGCO Power 8.4L 6-cylinder diesel engine, providing robust power and torque for heavy-duty agricultural tasks. Its efficient engine design enhances fuel economy while meeting emissions standards, beneficial for long working hours in extensive fields. However, the complexity of the diesel engine may pose maintenance challenges, requiring knowledgeable technicians for optimal performance in demanding conditions.
| Description | AGCO Power 8.4L 6-cyl diesel |
TRANSMISSION
The Challenger MT685D features a Techstar continuously variable transmission (CVT), providing seamless gear shifts without distinct shift points, enhancing operator comfort and efficiency. This infinite forward and reverse gear capability allows for precise control in various field applications, significantly improving productivity during operations like tilling or plowing. However, the complexity of CVT systems may lead to higher maintenance requirements and costs compared to traditional transmission systems.
| Transmissio | Techstar CVT |
| Typ | continuously variable transmission |
| Gear | infinite forward and reverse |
CHALLENGER MT685D TRANSMISSION
The Challenger MT685D features a continuously variable transmission (CVT), which provides seamless power delivery and enhances operational efficiency by allowing the operator to adjust speed without shifting gears. This system minimizes power loss and fuel consumption, making it ideal for diverse field applications such as tillage and planting. However, while the CVT improves performance in varied conditions, it may require more advanced maintenance and operator training to fully leverage its capabilities.
| Description | continuously variable transmission |
MECHANICAL
The Challenger MT685D tractor features an advanced four-wheel drive system and inboard planetary final drive, enhancing traction and stability in challenging terrains. The electro-hydraulic differential lock provides superior maneuverability while hydrostatic power steering offers effortless handling, making it ideal for both fieldwork and transport. Optional AGCOMMAND integration allows for real-time monitoring and efficiency optimization, but reliance on optional systems can increase operational complexity and initial costs.
| Description | Four-wheel drive Hydraulic wet disc brakes Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional) |
| Final drive | inboard planetary |
| Differential loc | electro-hydraulic |
| Steerin | hydrostatic power |
| Trailer brake | pneumatic (optional)/hydraulic (optional) |
CAPACITY
| Fue | 167gal / 632.1L |
| Exhaust fluid (DEF | 16gal / 60.6L |
| Hydraulic syste | 29.1gal / 110.1L |
HYDRAULICS
| Typ | closed center load sensing (CCLS) |
| Capacit | 29.1gal / 110.1L |
| Pressur | 2900psi / 200.0bar |
| Valve | 4 to 6 |
| SCV flo | 26.4gpm / 99.9lpm |
| Total flo | 46gpm / 174.1lpm |
TRACTOR HITCH
| Rear Typ | Cat III |
| Rear lif | 22760lbs / 10323kg |
| Front Hitc | Cat III (optional) |
| Front lift (at ends | 11000lbs / 4989kg |
| Drawba | Cat. 3/Cat. 3 Heavy-Duty (optional)/Cat. 4 (optional) |
POWER TAKE-OFF (PTO)
| Rear PT | independent |
| Clutc | electro-hydraulic |
| Rear RP | 1000 / 1000E (1.75)/540E/1000 / 1000E (optional) |
| Engine RP | 540E@1577 / 1000E@1605 / 1000@1970 |
CHALLENGER MT685D TIRES
The Challenger MT685D features larger rear tires (520/85R46) that enhance traction and stability, particularly in tillage or heavy implement applications. The front tires (480/70R34) provide improved maneuverability, making it suitable for variable terrain. However, the significant size difference may lead to challenges in tire wear and alignment, requiring careful monitoring of tire pressure and maintenance practices.
| Standard tires (ag | Front: 480/70R34. Rear: 520/85R46 |
DIMENSIONS & TIRES
The Challenger MT685D tractor features a 122-inch wheelbase, providing stability and improved traction, particularly in field operations. Weighing 24,250 lbs, it can handle heavy implements efficiently, though this may challenge maneuverability in tight spaces. The front tires (480/70R34) and rear tires (520/85R46) offer excellent flotation and traction, making it suitable for various soil conditions and tasks, from tillage to hauling.
| Wheelbas | 122inches / 309cm |
| Weigh | 24250lbs / 10999kg |
| Front tir | 480/70R34 |
| Rear tir | 520/85R46 |
ELECTRICAL
| Groun | negative |
| Charging syste | alternator |
| Charging amp | 240 |
| Batterie | 2 |
| Battery volt | 12 |