Chevron delo adf 600 oils approved for cummins mobile natural gas engines.

San ramon, calif.--(business wire)--today, chevron products company, a subsidiary of chevron, u.s.a. announced delo® 600 adf 10w-30 and delo® 600 adf 15w-40 heavy-duty engine oils are approved for use in cummins mobile natural gas engines. the cummins' approval process requires two years of field testing in cummins engines sold to the on-highway market, followed by a tear-down of the engines and review by cummins. after putting delo 600 adf through this rigorous process, it has now received app.
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