This added layer of durability protection significantly reduces wear on bearings, rings, pistons, cylinders and valve trains. Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4, CJ-4, CI-4, CI-4 Plus and older.
Schaeffers 15w40 Diesel Oil #700 Synthetic CK-4 | 15w-40 Diesel Motor Oil
Schaeffers 15W-40 SynShield Durability Advantage Engine Oil 15W40 3x Gallons
Schaeffers 700 Durability Advantage 15W-40 Diesel (4 Gallons)
6 pack!!! Valvoline 894077 All Fleet Plus Oil 15W40 1 Quart
15W40 Diesel Engine Oil Shell Rotella T4 Triple Protection 6 Pack
Schaeffers 0278-029 Polyurea 278 (Best Replacement for John Deere Grease) 6 PACK
