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Hydro oil change

Discussion in 'Mechanic and Repair' started by riches139, Aug 7, 2004.

  1. riches139

    riches139 LawnSite Senior Member
    Posts: 369

    Coming up on my first hydro oil change in my Cub M60 Tank.
    This machine comes with 20w50 petroleum oil.

    Question is would it be better to use synthetic instead of petoleum?

    I know synthetic helps an engine run cooler due to decreased friction.

    Would this also apply to the hydro system?

    Any possibility of increased pressure from synthetic?

    Thanks to all who reply.
  2. wriken

    wriken LawnSite Silver Member
    Posts: 2,154

    I put 15-50 mobile 1, in my cubs. No problems.
  3. cariboulou

    cariboulou LawnSite Member
    Posts: 160

    what about tiger cub 48" with 19hp kawi? How often would you guys recommend, once a year or every 100 hrs or so. Mine came also with 20w50 but I would also like to switch over to synthetic. Is this job real difficult or should I let shop take care of it.
  4. xcopterdoc

    xcopterdoc LawnSite Senior Member
    Posts: 752

    All things considered, I would just continue to run whatever type of hyd oil came in the unit. I really dont think there would be much of a real gain in changing over to synthetic hyd oil. I would recommend changing the hyd filter at least twice a season. Dont skimp on the filters, run an oem filter. No danger of high pressures with syn oil. Pressure is pressure and its handled by the pressure relief valves in the system.
  5. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,503

    On the cub it is recommened to change at 400 hours or once a year

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