Detroit Diesel Series 60 Engine Achieves 1.5 Million Miles Of Service Using Delo 400 Engine Oil and Delo Extended Life Coolant


SAN RAMON, CA--Dec. 9, 2013: Chevron Products Company, a Chevron U.S.A. Inc. division, maker of the Delo brand of technologically advanced engine oils, lubricants and coolants, released a case study demonstrating the performance of Delo 400 engine oil and Delo Extended Life Coolant in a Detroit Diesel Series 60 engine used by R.E. West Transportation of Nashville, Tennessee. The two products were key factors in the engine reaching 1.5 million miles with minimal wear.

“Some time ago, we were telling people that we had this truck that had over a million miles and just hadn’t had any trouble with it, which virtually no one believes”

R.E. West Transportation is a nationally recognized contract and dedicated carrier with a fleet of 120 trucks and 300 trailers. A family business, R.E. “Bob” West founded the company in 1969, and has used Delo Lubricants and Delo Extended Life Coolant for years.

West’s trucks often see severe service, but the superb protection provided by Delo products allows the company’s fleet to regularly achieve high mileage – including one truck in particular. “Some time ago, we were telling people that we had this truck that had over a million miles and just hadn’t had any trouble with it, which virtually no one believes,” said West.

In order to demonstrate the condition of his truck, a team including R.E. West Transportation’s own mechanics and those from maintenance provider Clarke Power Services in Nashville, Tenn., disassembled the 1.5 million-mile Detroit Diesel Series 60 engine during an extensive, three-day inspection. Despite the mileage, the use of Delo lubricants and Delo Extended Life Coolants kept the engine components in “great” condition.

“The parts coming out of this engine had minimal wear, it looked really well,” said R.E. West Maintenance Manager Dustin Stricker. “Once we get this rebuild done we’re putting the truck back on the road, and we believe that the truck will go another million-plus miles.”

Delo oils incorporate ISOSYNŽ Technology, which combines premium base oils with high performance additives, helping to deliver extended service protection, maximized engine durability and minimized operating costs for companies like R.E. West.

Upon inspection, the camshaft, engine bearings and cylinder rings showed only minimal wear. The pistons held no harmful carbon deposits, and the cylinder liners showed no cavitation and full cross-hatch. “We’re delighted with the performance of the Delo 400 with ISOSYN Technology. The overall picture is, it’s absolutely clean. There is absolutely no sludge,” said Chevron Senior Scientist James McGeehan.

“We’ve replaced door hinges, door latches, window regulators, all kinds of the parts that you’re using in these years that you’re operating the truck,” West said. “But not the engine, not the transmission, not the rear ends, and we think a big part of that is Delo.”

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