Engineer Says ’07 Engines to Boost Maintenance, Operating Costs

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AN DIEGO — Truck fleets will soon have to invest in extra training for maintenance personnel because of the complexities involved with the 2007 diesel engines, the ultra-low-sulfur diesel fuel that powers them and the new low-ash motor oil they require, a chemical company engineer said.

Speaking at the annual meeting here of the Truck Renting and Leasing Association, Ken Claar, project engineer for Lubrizol Corp., said the new engines “will carry increased maintenance and operating costs. It’s important to invest in training — that’s key.”

Claar said the new oil, originally known as PC-10, is generically referred to as CJ-4. Current diesel engine oils are known as CI-4 or CI-4 Plus.

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