| Manufacturer |
Challenger |
| Price |
- |
| Model |
MT845E |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
Jackson, Minnesota, USA |
ENGINE DETAIL
The Challenger MT845E tractor features a robust AGCO Power turbocharged 12-cylinder engine with significant outputs of 450hp and a maximum of 486hp, ideal for heavy-duty agricultural applications. Its impressive torque rating of 1604 lb-ft at 1500 RPM enables efficient power delivery for challenging terrains and implements. However, while its Tier IV emissions compliance with selective catalytic reduction (SCR) enhances environmental sustainability, it may require additional maintenance and operational considerations related to fluid management.
| Description |
AGCO Power turbocharged diesel 12-cylinder 48-valve liquid-cooled |
| Displacemen |
1027.5ci / 16.8L |
| Bore/Strok |
4.370x5.709inches / 111x 145 mm |
| Emission |
Tier IV |
| Emission contro |
selective catalytic reduction (SCR) |
| Power (gross |
450hp / 335.6kW |
| Maximum Powe |
486hp / 362.4kW |
| Rated RP |
2100 |
| Torqu |
1604 lb-ft/2175.0 Nm |
| Torque RP |
1500 |
| Starte |
electric |
| Starter volt |
12 |
CHALLENGER MT845E ENGINE
The Challenger MT845E tractor is equipped with an AGCO Power 16.8L 12-cylinder diesel engine, providing robust horsepower and torque for heavy-duty agricultural tasks. Its sizeable 330-gallon fuel tank ensures extended operational time, while the 30.5-gallon DEF tank supports compliance with Tier 4 Final emissions standards. However, the large size and weight of this tractor may present maneuverability challenges in smaller fields or tight spaces, making it best suited for expansive agricultural operations.
| Description |
AGCO Power 16.8L 12-cyl diesel |
| Fuel tan |
330gal / 1249.1L |
| Exhaust fluid (DEF |
30.5gal / 115.4L |
TRANSMISSION
The Challenger MT845E's Caterpillar full power shift transmission with 16 forward and 4 reverse gears offers optimized torque management, enabling efficient operation across diverse terrains and applications. The hydraulic wet disc clutch enhances durability and reduces slippage during gear shifts, providing smoother transitions and extending service life. However, the complexity of the transmission may pose challenges in maintenance and repair, necessitating specialized knowledge and tools.
| Transmissio |
Caterpillar |
| Typ |
full power shift |
| Gear |
16 forward and 4 reverse |
| Clutc |
hydraulic wet disc |
CHALLENGER MT845E TRANSMISSION
The Challenger MT845E's 16-speed full power shift transmission allows for seamless gear transitions under load, optimizing torque management and enhancing operational efficiency. This feature is particularly advantageous in demanding agricultural applications, such as heavy tillage or large-scale planting, where consistent power delivery is crucial. However, operators may need time to adapt to the system to fully exploit its capabilities and minimize wear on drivetrain components.
| Description |
16-speed full power shift |
MECHANICAL
The Challenger MT845E features a crawler-driven system, which provides superior traction and stability on uneven terrains, making it ideal for heavy-duty agricultural tasks. Its power differential steering enhances maneuverability, particularly in tight spaces or during tight turns, but may require a learning curve for operators unfamiliar with differential systems. The standard cab with air-conditioning offers comfort during extended operating hours, though potential drawbacks include increased weight and height affecting stability on steep gradients.
| Driv |
crawler |
| Steerin |
power differential |
| Description |
Cab standard with air-conditioning. |
HYDRAULICS
| Typ |
closed center pressure flow compensated |
| Pressur |
2900psi / 200.0bar |
| Valve |
4 to 6 |
| Pump flo |
58.1gpm / 219.9lpm/85 gpm (optional)/321.7 lpm |
| SCV flo |
26.4gpm / 99.9lpm/36 gpm (optional)/136.3 lpm |
TRACTOR HITCH
| Rear lif |
19500lbs / 8845kg |
| Drawba |
Cat. 4/Cat. 5 |
POWER TAKE-OFF (PTO)
| Rear PT |
independent |
| Clutc |
electronic |
| Rear RP |
1000 (1.75) |
CHALLENGER MT845E TRACKS
DIMENSIONS & TRACKS
| Weigh |
42596lbs / 19321kg |
| Description |
18-inch tracks |
ELECTRICAL
| Groun |
negative |
| Charging syste |
alternator |
| Charging amp |
300 (2x 150) |
| Batterie |
4 |
| Battery CC |
1000 |
| Battery volt |
12 |
