15-40 Heavy Duty High TBN Truck Motor Oil. Lucas Oil 10076 128oz

Oil is made with a blend of high superior base oils and an additive package that allows extended drain intervals Will provide a much higher degree of protection from metal to metal contact The exclusive additive package ensures a protective film on parts at all times It is more impervious to break down from the solvents in diesel fuel than common additive packages found in regular 15W-40 blends A high detergent content allows up to twice as much contamination to be held in suspension and still have good lubrication qualities