| Manufacturer |
Challenger |
| Price |
- |
| Model |
MT855B |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
Jackson, Minnesota, USA |
ENGINE DETAIL
The Challenger MT855B, powered by a Caterpillar C15 turbocharged 6-cylinder engine, delivers a robust gross power output of 460 hp and an impressive torque of 1423 lb-ft at 1300 RPM. Weighing in with a significant displacement of 15.2L, it optimizes performance for heavy-duty applications while maintaining a Tier III emission standard. With its high compression ratio of 16.5:1 and dual paper air cleaners, this tractor is designed for efficiency and durability, though operators should be aware of compliance considerations associated with older emission standards.
| Description |
Caterpillar C15 turbocharged diesel 6-cylinder 24-valve liquid-cooled inline |
| Displacemen |
928ci / 15.2L |
| Bore/Strok |
5.402x6.752inches / 137x 172 mm |
| Emission |
Tier III |
| Power (gross |
460hp / 343.0kW |
| Air cleane |
dual paper elements |
| Compressio |
16.5:1 |
| Rated RP |
2100 |
| Torqu |
1423 lb-ft/1929.6 Nm |
| Torque RP |
1300 |
| Starter volt |
12 |
CHALLENGER MT855B ENGINE
The Challenger MT855B features a robust Caterpillar 15.2L 6-cylinder diesel engine, delivering high torque and efficiency for demanding agricultural tasks. With a fuel tank capacity of up to 305 gallons (1154.4L), this tractor offers extended operational time, reducing downtime during large fieldwork. However, the substantial fuel requirement may challenge logistics in remote areas, necessitating careful planning for refueling.
| Description |
Caterpillar 15.2L 6-cyl diesel |
| Fuel tan |
305gal / 1154.4L/330galOptOptional / 1249.1L |
TRANSMISSION
The Challenger MT855B features a Cat Powershift transmission with 16 forward and 4 reverse gears, providing efficient power transfer and flexibility for varying terrains. Its full power shift design allows for seamless gear changes without loss of torque, enhancing productivity during operation. However, operators should be aware of potential maintenance complexities associated with high-performance transmissions, especially under heavy load conditions.
| Transmissio |
Cat Powershift |
| Typ |
full power shift |
| Gear |
16 forward and 4 reverse |
CHALLENGER MT855B TRANSMISSION
The Challenger MT855B features a 16-speed full power shift transmission, offering seamless gear changes without interrupting power delivery, which enhances operational efficiency during heavy-duty tasks. This system allows for rapid adjustments in speed and torque to suit various field conditions, potentially increasing productivity. However, the complexity of the transmission may require advanced operator training to optimize performance and minimize maintenance challenges.
| Description |
16-speed full power shift |
MECHANICAL
The Challenger MT855B features a durable crawler drive system, enhancing traction and stability on uneven terrain, making it ideal for large-scale agricultural applications. Its hydraulic wet disc brakes provide superior stopping power and longevity, reducing maintenance needs. The standard air-conditioned cab improves operator comfort and productivity during long working hours, though increased weight from the crawler system could affect fuel efficiency.
| Driv |
crawler |
| Description |
Hydraulic wet disc brakes Cab standard with air-conditioning. |
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 |
III/IVN |
| Rear lif |
19,500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PT |
independent |
| Rear RP |
1000 (1.75) |
CHALLENGER MT855B TRACKS
DIMENSIONS & TRACKS
| Wheelbas |
118inches / 299cm |
| Weigh |
41000lbs / 18597kg |
| Description |
27.5-inch tracks |
ELECTRICAL
| Groun |
negative |
| Charging amp |
185 |
| Batterie |
4 |
| Battery CC |
1000 |
| Battery volt |
12 |
