Diesel Engine Oil Base Oil - Engine and Motor Oils Conventional Size 1 gal. Container Type - Engine and Motor Oils Jug SAE Grade - Engine and Motor Oils 15W-40 ISO Viscosity Grade Not Specified Viscosity Index 122 Series All-Fleet(R) Plus Color Amber Temp Range -30 Degrees to 220 Degrees F Pour Point -30 Degrees C Flash Point 390 Degrees F Specific Gravity 0.879 at 15.6 Degrees C Viscosity @ 40C 117 Viscosity @ 100C 15.2 Application Medium Duty Heavy Duty