Heavy Duty Engine Oils. Not all engine oils are created equally. You can count on D-A. With D-A, we invented our engine oil more than 100 years ago and have been progressing ever since.

Dufe Lub Diesel Engine Oil is designed to provide advanced lubricant performance in modern low emission diesel engines operating under wide variety of service conditions, or where …

Motor Oils at Tractor Supply Co. Buy online, free in-store pickup. Shop today!

MIAMI OIL COMPANY HEAVY DUTY DIESEL ENGINE OIL - SAE 10w, 30, 40 or 50 grades are mixed fleet engine oils formulated to provide optimum performance in modern, low emission …

Phillips 66® T5X Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed for use in a wide variety of applications, including off-highway diesel equipment, farm machinery, …

SAE 50 Diesel Engine Oil is a top-quality lubricant produced by Dana Lubes for use in heavy-duty diesel engines. This oil meets or exceeds the specification.

Phillips 66® Heavy Duty Diesel Engine Oil is a high-quality universal fleet engine oil designed for use in on-highway diesel trucks and off-highway diesel equipment operating in moderate to hot …

LUBRIGUARD Heavy Duty Diesel Engine Oils are premium HD engine oils formulated for use in applications calling for API CF (10W) and CF, CF-2 (SAE 30, SAE 40, SAE 50). They will find …

DURON™ UHP 10W-40 is an Ultra High Performance synthetic all-weather heavy-duty diesel engine oil. It is formulated to provide exceptional protection against engine wear and deliver …