Heavy-Duty Motor Oils
Full Synthetic Heavy Duty Motor Oil
National Fleet ProFull Synthetic Heavy Duty Motor Oil is a mixed fleet motor oil recommended for naturally aspirated and turbocharged four-stroke diesel and gasoline engines. With its superior additive technology, Full Synthetic Heavy Duty Motor Oil has the highest level of ashless dispersant that keeps the soot in suspension and helps to avoid abrasive wear, filter plugging, cylinder head sludge, viscosity increases, and oil gelation.
Synthetic Blend Heavy Duty Motor Oil
National Fleet Pro Synthetic Blend Heavy Duty Motor Oil is formulated for today’s high-performance low emissions exhaust gas recirculation diesel engines, including engines with particulate traps. These oils provide year-round wear and corrosion protection that enable engines to run smoother and stay cleaner longer, support extended drain intervals, reduce downtime increase operating profitability.
Monograde Heavy Duty Motor Oil
National Fleet Pro Monograde Heavy Duty Motor Oils are high-performance heavy-duty motor oils recommended for older four-stroke gasoline and diesel engines. Monograde Heavy Duty Motor Oils meet API service requirements of CF, CF-2 / SL and are formulated utilizing Group II base oils and the newest additive technology to provide outstanding protection for engines where this monograde viscosity is required by the OEM.