Heavy Duty Diesel Engine OIl

Universal Fleet Engine Oil (Export Only)

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 climates. It also is recommended for passenger cars and light trucks with either diesel or gasoline engines where the OEM recommends SAE 20W-50 or 25W-50 engine oil.

Features & Benefits

• Excellent soot control for protection against abrasive wear and soot-induced oil thickening

• Excellent resistance to viscosity and thermal breakdown at high temperatures

• Protects against sludge and varnish formation

• Excellent wear protection

• High shear stability

• Excellent rust and bearing corrosion protection

• Good resistance to foaming and aeration


• Older diesel equipment with conventional, non-EGR engines

• Mixed fleets with both diesel and gasoline-fueled vehicles

• Off-highway construction, earth moving and mining equipment

• Farm equipment with diesel or gasoline engines

Technical Details

Licenses & Approvals

Heavy Duty Diesel Engine Oil is licensed for:

• API Service CH-4, SL

Additional Details
SAE Grade20W-50
Specific Gravity @ 60°F0.886
Density, lbs/gal @ 60°F7.38
Color, ASTM D1500L 4.0
Flash Point (COC), °C (°F)242 (468)
Pour Point, °C (°F)-27 (-17)
Viscosity, Kinematic
cSt @ 40°C190
cSt @ 100°C20
Viscosity Index122
Cold Cranking Viscosity, cP @ -15°C9300
High-Temp/High-Shear Viscosity, cP @ 150°C4.1
Sulfated Ash, ASTM D874, wt %1.39
Total Base Number (TBN), ASTM D289610.5
Zinc, wt %0.119