Best oil for 1990 Case model K518V30S
by Dave Lewis
Case model K518V30S
It's been my shop workhorse since new in 1990. can't find any info on web. would like to know best Amsoil compressor oil to use. Markings include (see pictures) C7 90, 0203 and i can made out "made in Italy on side of casting foot. any info greatly appreciated!!