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Originally posted by sky:
Bill, here is the former discussion on that coach. sky

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From wikipedia: ISL vs. L10

The ISL is not to be confused with the older L10 series, which Cummins had produced and sold from 1982 to early 1998. The Cummins ISL is a straight-six diesel engine designed and produced by Cummins. It displaces 8.9 litres (543.1 cu in), and went into production in 1998. The engine was based on its 8.3 litres (506.5 cu in) predecessor, the Cummins C8.3 engine.

The old L10 series, which like the current ISL, had seen use in the applications listed below (plus, early Dennis double decker buses), displaced 10.0 litres (610.2 cu in), was slightly larger, and had been replaced by the M11 entirely in 1994, although the natural gas version, known as the L10G, had hung on until the spring of 1998.

The ISL nomenclature was born out of the fact that after the original L10 had been dropped, there was no engine series to bridge the gap between the C8.3/ISC and the M11/ISM. Thus Cummins marketed the ISL starting in 1999.

Applications
* Bus
* Motor coach
* Motor home
* Fire truck
* Hybrid electric bus
* Refuse collection truck
* Port drayage truck

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	1990 Barth Regis Widebody 8908 0128 40RDS-C1 L-10 Cummins Allison MT647 Transmission Spartan Chassis		1991 Medical Lab Conversion 9102 3709 33S-12 Ford 460 MPFI C6 Transmission Oshkosh Chassis
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