That is a 4 cyl version of the series 60, I run a 99 pet 379 with series 60, 18 spd, 700,000 kms on it now, 505 hp, haul heavy equipment with a 53 ft double drop and get 6-7.5 mpg pullin hard, close to ten empty, never had the pan off. Very reliable engine/ mo... Login to read more.