It is also used in the National Ploughing Match which takes place in a different place in the UK every year. This oil is designed as a light use engine oil, when the engine isn't being put under to much loaded stress.
Massey Ferguson T20 VINTAGE CLASSIC 40 ENGINE OIL 20 LITRE API:SB/CB 20L
Classic 20/50 Vintage Engine Oil 20 Litre 20L API SF/CD, MIL 2104B
VINTAGE CLASSIC SAE 50 ENGINE OIL 20 LITRE 20L (NOT 25L) NON-DETERGENT
Vintage Halfords 20-50 Motor Oil Pouring Jug 1 Pint 1960 Garage Tool Classic Car
20w50 Classic 20w/50 Vintage High Zinc Engine Oil 5 Litre 5L
Morris Golden Film SAE 20W50 5L Classic Motor Oil for Vintage & Classic Cars
