18L is a 300tdi & was fitted to manual cars, 20L to autos.
As for the actual differences, I don't think there is. I seem to recall a power difference between Defender & Disco engines due to the turbo position but the manual & auto engines are the same IIRC.
12L is 200tdi.


HI DISCO FANS ,CAN ANY ONE TELL ME THE DIFFERENCE BETWEEN 12L 18L AND 20L ENGINE.MY 97 DISCO HAS ENGINE No STARTING WITH 20L I'VE GOT A SPARE ENGINE I WANT TO DO UP BUT THE ENGINE No STARTS WITH 18L ..
Reply With Quote

Bookmarks