Oil grades. What do the numbers mean on the oil packs 1540 85140 and the wwhats the differance between diesal and petrol engine

rojh2, May 24, 6:03pm

What do the numbers mean on the oil packs 15/40 ,85/140, and the w.Whats the differance between diesal and petrol engine oils!

dvince, May 24, 6:26pm

Multigrade oil. The 'W' is for winter.

jasongroves, Mar 29, 1:45pm

Diesel oils normally have more detergent additives in them, ie; better cleaning properties.

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Oil grades. What do the numbers mean on the oil packs 1540 85140 and the wwhats the differance between diesal and petrol engine

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