Cummins M Series engine

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The Cummins ISM is a straight-6 10.8-liter diesel engine designed and produced by Cummins. It is often known as Cummins M11 engine. Introduced in 1994, it was built on the previous L10 engine (same 4.921" cylinder bore, but a longer 5.787" piston stroke compared to the L10's 5.354" stroke).

The Cummins ISM is available in 4 different configurations, with slightly different emphasis on maximum horsepower (450 vs. 500) and peak torque.

[edit] Applications

• Large transit bus (40 feet and up) Available on some 35 foot models.
• Large motorcoach
• Large fire truck
• Twins powering yachts