Heavy Duty Diesel Engine Oil

Improve horsepower up to 3%, lower oil consumption and more with heavy duty diesel engine oil. This group IV PAO synthetic oil is for off road use only.

Shell Rotella T6 5W-40 Heavy Duty Motor Oil - 2.5 Gallon

What to look for in heavy-duty engine oils

Mobil 1 122454: Engine Oil, Delvac Extreme, Synthetic, 10W30, 1 Gallon, Each - Mobil Delvac Extreme motor oil is a premium synthetic blend, high-performance diesel engine oil. It helps extend engine life, while providing long drain capability for modern diesel engines operating in extreme conditions. Delvac Extreme is recommended for use in a wide range of heavy-duty applications and operating environments found on- and off-highway, including engines operating under heavy loads.

Mobil 1 1224541 Delvac Extreme DIESEL Engine Oil, 10W-30, 1 Gal

Everest Advanced CK-4 Heavy Duty Synthetic Blend SAE 15W-40 Diesel Engine Oil

PURUS® SYNTHETIC BLEND SAE 15W-40 API CK-4/SN ENGINE OIL

QU90040 SAE 5W40 Oil - Torque King 4x4

Doc's Diesel THE 15W40 Full Synthetic Heavy Duty Diesel Oil

Delo 400 Heavy Duty Engine Oil SAE 40 (3/1 Gallon Case)

Extreme Heavy Duty SAE 15W-50 Heavy Duty Diesel Engine Oil