mixing

The prior owner of the M4 071 used Napa premium hydro fluid for all the hydraulic services during the 1800 hrs he owned it with no apparent problems. I have always used Kubota Sudt for service on my other tractors. Can Sudt be mixed safely with other “compatible” fluids?

Hi all, Yeah, I know, not recommended... However, I purchased a skidsteer snowblower, which is filled with what is most likely aw-32 hydraulic fluid. I run 10w40 or 15w40 in my PT-1430 as specified for the hydraulic fluid. How much harm could develop (short-term or long-term) by...