For engines=Delo 400 15-40wt. for the Diesels. Valvoline 5-20=5-30=10-30 for the gas engines. Coolants=Dexcool for Chevys= Ford Gold= Chrysler Purple= Caterpillar= Freightliner= and Green for the rest. ATF= Dextron Mercon= 2&4&5. Gear lube=90wt. 75-80 syntheti... Login to read more.