Green Tractor Talk banner
hydraulic oil
1-1 of 1 Results
  1. Restoration
    Hey Folks! Still working on my old JD 4320 transmission project and I'm getting to a point where I need to start thinking about buying fluid and filters. I ran across the article below and found it pretty interesting! In a nutshell, "real" JD 303 oil was discontinued in 1974 because it had...
1-1 of 1 Results