| Manufacturer |
Challenger |
| Price |
- |
| Model |
MT845B |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
Jackson, Minnesota, USA |
ENGINE DETAIL
The Challenger MT845B is powered by a robust Caterpillar C15 turbocharged diesel engine, delivering 400 hp and an impressive torque of 1423 lb-ft at 1300 RPM, offering significant pulling power for heavy-duty applications. Its Tier III emissions compliance may limit its use in regions with stricter emissions regulations, but the high displacement of 15.2L ensures longevity and reliability in demanding conditions. The dual paper air cleaner enhances engine efficiency by maintaining optimal air intake, making this tractor well-suited for agricultural tasks such as tillage and towing large implements.
| 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 |
400hp / 298.3kW |
| 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 MT845B ENGINE
The Challenger MT845B is powered by a robust Caterpillar 15.2L 6-cylinder diesel engine, providing substantial torque and horsepower for demanding agricultural tasks. With a considerable fuel tank capacity of 305 gallons (1154.4 liters), it enables extended operational time without frequent refueling, making it ideal for large-scale farming operations. However, the tractor's weight and size may present challenges in certain terrains, necessitating careful consideration of soil compaction and maneuverability on smaller fields.
| Description |
Caterpillar 15.2L 6-cyl diesel |
| Fuel tan |
305gal / 1154.4L/330galOptOptional / 1249.1L |
TRANSMISSION
The Challenger MT845B features a Cat Powershift transmission, providing 16 forward and 4 reverse gears, enabling smooth and efficient power delivery under various load conditions. The hydraulic wet disc clutch enhances durability and reduces slippage, making it ideal for heavy-duty applications such as tillage or plowing. However, operators may require additional training to fully exploit the advantages of the full power shift system, especially in complex field operations.
| Transmissio |
Cat Powershift |
| Typ |
full power shift |
| Gear |
16 forward and 4 reverse |
| Clutc |
hydraulic wet disc |
CHALLENGER MT845B TRANSMISSION
The Challenger MT845B's 16-speed full power shift transmission provides seamless gear transitions, enhancing productivity during field operations by minimizing power loss. This feature allows for optimal torque management across various speeds, making it well-suited for heavy tillage and high-draft applications. However, operators should be aware of the learning curve associated with mastering the advanced shifting mechanism, which may initially complicate handling for less experienced users.
| Description |
16-speed full power shift |
MECHANICAL
The Challenger MT845B features a crawler drive system, providing enhanced traction and stability on uneven terrain, crucial for heavy-duty agricultural applications. The hydraulic wet disc brakes deliver consistent stopping power, increasing safety during operation. Additionally, the standard cab with air-conditioning ensures operator comfort during long working hours, which can improve productivity.
| 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 |
19500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PT |
independent |
| Rear RP |
1000 (1.75) |
CHALLENGER MT845B TRACKS
DIMENSIONS & TRACKS
| Wheelbas |
118inches / 299cm |
| Weigh |
41000 to 43075 pounds |
| Description |
27.5-inch tracks |
ELECTRICAL
| Groun |
negative |
| Charging amp |
185 |
| Batterie |
4 |
| Battery CC |
1000 |
| Battery volt |
12 |
