15w-40. either Mobil Delvac, Rotella T, or even Chevron.
straight 50
Typically it should take a 15-40 weight oil. I have a 7.3L and I use the Shell Rottella T 15-40. Very good oil.
Gas: 5W30 synthetic, gasoline-rated oil. Diesel: 5W40 synthetic, diesel-rated oil.
The oil capacity of a 99 Ford Escort is 4 quarts. Use 5W-30 weight oil. Use a SM rated oil which is the highest rating.
The recommended oil for a 1986 Ford F250 diesel is 10 W 30. However, both 0W-30 and 5W-30 can be used.
A 2003 Ford F-250 Turbo Diesel typically requires 15W-40 weight oil, which is suitable for diesel engines operating in a range of temperatures. It's important to use oil that meets the API (American Petroleum Institute) specifications for diesel engines, such as CJ-4 or higher. Always consult the owner's manual for the most accurate recommendations specific to your vehicle and driving conditions.
Petrol or diesel? What year? All today's Ford engines, both petrol and diesel, use 5w/30 'fuel saving' oil.
5w/30
All today's Ford engines, both petrol and diesel, use 5w/30. This type of oil is readily available on supermarket shelves and the containers marked "Suitable for Ford petrol and diesel engines".
5-30 weight SM rated oil.
5w-30 or 5w-40 is what is recommended by VW for use in your Beetle. If it's the 1.9L Diesel, use 5w-40 Diesel oil. Regular oil doesn't have the added detergents etc that this diesel brand does.
Diesel fuel is often referred to as "diesel oil" or "heavy oil". Do not confuse this with "engine oil for a diesel engine" which means "lubricating oil specially formulated for use in diesel engines". My first Ford Fiesta diesel's tax disc said - "Fuel - Heavy Oil". They've now realised that this term is anachronistic, and my latest tax disc reads "Fuel - Diesel". To be pedantic - Diesel fuel is an oil - Petrol is a spirit.