Posted 6/9/2022 07:07 (#9697415 - in reply to #9697258) Subject: RE: MFA 303 HYDRAULIC OIL
Fruita CO
303 oil came in with the New Generation 10 series. It was discontinued in the 70's when Hy-Gard came out. 303 actually contained whale oil, which was banned in the 70's...real JD 303 was excellent oil, better than Hy-Gard in some ways.