Cummins ISL series 8.9L full-authority electronic control engines, ranging from 290-380 Hp (213-280 Kw). Compared to engines with same displacement, these engines are lighter and only weighs 704 kg, with more compact structure and higher power. Featuring ultra high output per liter and low speed torque, ISL's power can be as good as heavy-duty engines with larger displacement. It is an ideal power choice for heavy-duty trucks, tractor and 11-14 meters long road buses, tour bus, public transportation and school bus.
Integrated design of cylinder block and oil circuit, forged crankshaft with high tension steel, highly durable pistons and liner with special surface treatment process all ensure the engine's reliability and durability.
Electronic control module with ultra large capacity share information among high speed datalinks, to ensure that the engine maintains the best operating status, effective fuel savings and low emissions under various loads.
With higher injection pressure up to 1600 bar, High Pressure Common Rail Fuel System features more precise control of injection timing and amount of fuel, further improving low-speed performance and cold start performance.
| Engine model | ISLe270-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 201Kw(270 HP) @ 2100rpm |
| Peak Torque | 1050N.m @ 1700 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
| Engine model | ISLe290-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 213Kw(290 HP) @ 2100rpm |
| Peak Torque | 1050N.m @ 1000-1900 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
| Engine model | ISLe310-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 228Kw(310 HP) @ 2100rpm |
| Peak Torque | 1200N.m @ 1000-1700 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
| Engine model | ISLe340-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 250Kw(340 HP) @ 2100rpm |
| Peak Torque | 1425N.m @ 1100-1400 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
| Engine model | ISLe375-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 275Kw(375 HP) @ 2100rpm |
| Peak Torque | 1500N.m @ 1100-1400 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
| Engine model | ISLe325-30 |
| Engine type | 4 stroke, 6 cylinders in line |
| Displacement | 8.9 L |
| Rated Power | 239Kw(325 HP) @ 2100rpm |
| Peak Torque | 1425N.m @ 1400 rpm |
| Emission Standard | Euro Ⅲ/ Euro Ⅳ |
| Manufacturer | DCEC Cummins |
DCEC Cummins school bus engine has functions such as replaceable wet liners, roller followers, by-pass oil filtration and targeted piston cooling for longer service in the most demanding school bus applications.It uses the XPI fuel system and shares the same Electronic Control Module (ECM) with all other Cummins on-highway engines for powerful, smooth, clean and quiet operation.
Cummins offers the cleanest ratings available in the school bus industry. Emissions are managed by the proven Cummins Aftertreatment System. In-house development of the entire integrated unit from air handling to exhaust aftertreatment allows us to optimize engine performance and emissions control better than other engine manufacturers.
Fast startup, good acceleration and gradeability, superior torque output at low speed. Highly integrated engine subsystems can realize excellent power, ultra long service life, and long maintenance intervals.
The NS V version is developed on the same platform as EEV version, featuring high durability and reliability. It can be upgraded to meet Euro V/EEV standard by adjusting its urea injection amount and upgrading the aftertreatment system, complicated structural adjustment is not necessary.