Heavy-Duty Monograde Diesel Engine Oil

Phillips 66® T5X PLUS Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed for use in off-highway diesel equipment, farm machinery, marine engines and mixed commercial fleets.

Features & Benefits

  • Excellent soot control for protection against abrasive wear and soot-induced oil thickening
  • Protects against sludge and varnish formation
  • Protects against scuffing and wear
  • Protects against rust and bearing corrosion
  • Good resistance to foaming and aeration


  • Off-highway trucks, heavy equipment and farm equipment

Technical Details