AMSOIL has 2 families of diesel motor oils for today's cars and trucks to choose from:
Signature Series Max-Duty
The best
- 6 times More Wear Protection than Detroit Diesel Specification.
- 60% Better Turbo Cleanliness
- 76% Less Oil Consumption than Required
Extended Service Interval
- Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or one year, whichever comes first.
- Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first.
- Can be extended longer with Used Oil Analysis
Available: 15W-40, 5W-40, 10W-30, 0W-40, 5W-30
Heavy-Duty
- 4 Times More Engine Protection
- 66% Less Oil Consumption
Available: 15W-40, 5W-40, 10W-30
For pre-2007 diesels AMSOIL also has the older spec oils
NOTE: for almost all applications, the Signature Series and the Heavy-Duty Series are backwards compatable and the better choice.
Available: 15W-40, 5W-30, 10W-40, 20W-50