Power covers 185-545 horsepower, the maximum torque is 1763 Newton meters, the low-speed torque is large, the start is fast, and the climbing ability is strong. Weight 1838 kg , the power weight ratio.
Cummins PT fuel system patented technology, high injection pressure, ensure that the engine good atomization, combustion.
Efficient Holset turbocharger exhaust intake ensures more fully , improve engine efficiency and further improve combustion and reduce engine specific fuel consumption.
Air-to-air cooling technology ensures more sufficient air intake and better fuel economy.
Replaceable wet cylinder liners , cooling effect , easy to replace.
All models parts versatility , high degree of serialization , and easy maintenance.
Block and head are taking a built-in pressure lubricants Road , compact , low failure rate
Cylinder block: made of high-strength alloy cast iron, with good rigidity, low vibration and low noise.
Cylinder head: Four valves per cylinder design, optimized air/fuel mixture ratio, effectively improving combustion and emissions; two cylinders and one head, easy maintenance.
Camshaft: The large-diameter camshaft can withstand higher loads. The new design can accurately control the valve and injection timing. The optimized cam profile can reduce the impact force and improve the reliability and durability.
Crankshaft: The integral crankshaft is made of high-strength forged steel. The induction hardening process of fillet and journal can ensure higher fatigue strength of the crankshaft.
Piston: Using the latest aluminum alloy casting technology, the design of ω-shaped head and barrel-shaped skirt can compensate for thermal expansion and contraction to ensure a good fit.
| Engine model | NTA855-P470 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 351kW (470 HP) @ 1500rpm |
| Peak Torque | 2233 N.m @ 1500 rpm |
| Emission Standard | Tier Ⅱ |
| Use for | Pump power unit |
| Engine model | NTA855-P400 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 299kW (400 HP) @ 1500rpm |
| Peak Torque | 1900 N.m @ 1500 rpm |
| Emission Standard | Tier Ⅱ |
| Use for | Pump power unit |
| Engine model | NTA855-P360 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 269kW (360 HP) @ 1800rpm |
| Peak Torque | 1536 N.m @ 1300 rpm |
| Emission Standard | Tier Ⅰ |
| Use for | Pump power unit |
| Engine model | NTA855-P300 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 224kW (300 HP) @ 1500rpm |
| Peak Torque | 1425 N.m @ 1500 rpm |
| Emission Standard | Tier Ⅰ |
| Use for | Pump power unit |
| Engine model | NTA855-C400 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 298kW (400 HP) @ 2100rpm |
| Peak Torque | 1627 N.m @ 1400 rpm |
| Emission Standard | Euro II |
| Use for | Construction Machinery |
| Engine model | NTA855-C360 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 269kW (360 HP) @ 2100rpm |
| Peak Torque | 1464 N.m @ 1400 rpm |
| Emission Standard | Euro II |
| Use for | Construction Machinery |
| Engine model | NTA855-C335 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 250kW (335 HP) @ 2100rpm |
| Peak Torque | 1363 N.m @ 1500 rpm |
| Emission Standard | Euro II |
| Use for | Construction Machinery |
| Engine model | NTA855-C310 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 231kW (310 HP) @ 2100rpm |
| Peak Torque | 1261 N.m @ 1500 rpm |
| Emission Standard | Euro Ⅰ |
| Use for | Construction Machinery |
| Engine model | NT855-C280 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 209kW (280 HP) @ 2100rpm |
| Peak Torque | 1139 N.m @ 1500 rpm |
| Emission Standard | Euro Ⅰ |
| Use for | Construction Machinery |
| Engine model | NT855-C250 |
| Engine type | 4 stroke,6 cylinders in line |
| Displacement | 14 L |
| Rated Power | 187kW (250 HP) @ 2100rpm |
| Peak Torque | 1017 N.m @ 1500 rpm |
| Emission Standard | Euro Ⅰ |
| Use for | Construction Machinery |
From a series that is service-proven through millions of hours of operation in some of the world's most demanding applications, the NT855 has been engineered to handle higher injection pressures, with redesigned overhead arrangement, pistons, crankshaft and camshaft. A gear train with high contact ratio spur gears also eliminates unwanted thrust loads and reduces noise.
In line with the rest of the NT family, wide-ranging benefits including fuel efficiency, low oil consumption, reliable long life, high power and durability.
Wide range of applications: Since Cummins entered China in 1975, N series engines have been widely used in construction machinery, heavy-duty vehicles, power generation, ship power and other fields
High reputation: As one of the main models of the Cummins family, the N series engine has won high recognition from customers in various fields with strong power, ultra-low fuel consumption, high reliability and low maintenance costs.
Technology upgrade: The BCIII design of the large camshaft, air-to-air cooling, slow start and other technologies have further improved the engine's reliability, power, fuel economy and emissions. The electronic injection technology being jointly developed with Cummins will further strengthen the leading position of the N series engine in China's high-horsepower engine manufacturing industry.
The Single Module™ aftertreatment system combines DPF, SCR and urea dosing in one unit which takes up 50 percent less space and weighs 30 percent less than the prior system.