Amsoil has added a 10W-30 diesel engine oil, designed for those seeking an upgrade over conventional and other synthetic-blend oils in heavy-duty equipment and vehicles, to its commercial-grade family ...

Amsoil has added a 10W-30 diesel oil to its commercial-grade family of products. The new Amsoil 10W-30 Commercial-Grade Diesel Oil is designed for those seeking an upgrade over conventional and other ...

Amsoil’s OE 10W-30 Synthetic Diesel Oil is formulated to provide added fuel economy benefits, protection and performance for applications requiring a SAE 30 or 10W-30 diesel oil. The API CJ-4 oil is ...

The benefits of using synthetic motor oil versus the use of conventional petroleum motor oil are well known and have been detailed here in 4WHEEL DRIVE MAGAZINE many times before. So why haven't you ...