Schaeffer Manufacturing Co. 9000CK4-006S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Gallon Bottle

Maintains Fuel Economy Without Sacrificing Engine Durability. Superior Cold Weather Startability And Operating Characteristics. Oil Strength: Withstands Higher Heat Range Than Conventional Oils. Keep-Clean Performance: Superior Soot Busting, Deposit-Dispersing Capability. Maintains Fuel Economy Without Sacrificing Engine Durability. Superior Cold Weather Startability And Operating Characteristics.