Cummins L Series engine
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The Cummins ISL is a straight-6 diesel engine designed and produced by Cummins. It is 8.9 liters in displacement, and went into production in 1998. The engine was based on its 8.3 liter predecessor, the Cummins C8.3 engine.
By late 2003, Cummins announced that they will revise the engine to sport a High-Pressure Common-Rail (HPCR) system to help with emissions and also a variable geometry turbocharger system to help with the performance on this engine.
The Cummins ISL also has a sister engine which is based on the existing ISL 8.9-liter block which runs on compressed natural gas. Cummins reintroduced this engine as the L Plus engine which has a power rating of 330 horsepower (246 kW), and it is for 60-foot (18 m) articulated bus. A few thousand units of this engine are now operating in a wide variety of applications.
Applications
- Bus
- Motor coach
- Motor home
- Fire truck
- Hybrid bus
Popular power ratings
- Urban bus
- *730 lbf•ft (990 Nm) @ 1300 rpm, 250 hp (186 kW) electronically governed at 2200 rpm
- *900 lbf•ft (1220 Nm) @ 1300 rpm, 280 hp (209 kW) electronically governed at 2200 rpm
- *1100 lbf•ft (1492 Nm) @ 1300 rpm, 330 hp (246 kW) electronically governed at 2200 rpm
- Firetruck/motorhome/truck
- *1050 lbf•ft (1424 Nm) @ 1300 rpm, 310 hp (231 kW) electronically governed at 2100 rpm
- *1150 lbf•ft (1559 Nm) @ 1300 rpm, 330 hp (246 kW) electronically governed at 2100 rpm
- *1200 lbf•ft (1627 Nm) @ 1300 rpm, 400 hp (298 kW) electronically governed at 2200 rpm
External links
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