Specifically for the Dodge Cummins Turbo Diesel AMSOIL engineers and manufactures a 15W-40 Synthetic Heavy Duty Diesel Oil that when used in conjunction with the AMSOIL Absolute Efficiency EAO-80 engine oil filter will allow you to travel 25,000 miles between filter changes and 25,000 miles/1-year between oil changes. If you use oil analysis you can usually go longer than 25,000 miles/1-year but that must be documented with oil analysis test results.
dodge_cummins_diesel_oil.php
chevy_gmc_duramax_diesel_oil.php
Specifically for the Ford Powerstroke Diesel AMSOIL engineers and manufactures a 15W-40 Synthetic Heavy Duty Diesel Oil (as well as Series 3000 5W-30 Heavy Duty Diesel Synthetic) that when used in conjunction with the AMSOIL Eao-99 engine oil filter (7.3L) will allow you to travel 25,000 miles/1-year between filter changes and 25,000 miles/1-year between oil changes for normal duty service If you use oil analysis you can usually go longer than 25,000 miles.
ford_powerstroke_best_diesel_oil.php
Amsoil carry's a complete line of diesel oils for your duramax, cummins and powerstroke engines plus semi's, tractor's, etc.
synthetic_diesel_oil_amsoil.php
