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Hyro motor or wheel pump ZTR's

Discussion in 'Lawn Mowing' started by Big C, May 25, 2008.

  1. Big C

    Big C LawnSite Bronze Member
    Messages: 1,642

    What is the advantage/disadvantage of a ztr with a hydro motor and one with wheel pumps and motors..please enlighten me...which is better and why
  2. tacoma200

    tacoma200 LawnSite Fanatic
    Messages: 5,426

    Most ZTRs have two hydraulic pumps and two hydraulic wheel motors. I don't understand your question. John Deere had only one pump and now they have went to an integrated pump/motor but they are the exception I think.
  3. Albemarle Lawn

    Albemarle Lawn LawnSite Bronze Member
    Messages: 1,544

    Theoretically integrated pump/motor avoids cross-contaminaton in event of a failure, and reduces leak points.

    Realistically, there is no advantage. The integrated unit will cost as much as a pump and motor put together.
  4. Big C

    Big C LawnSite Bronze Member
    Messages: 1,642

    Vistied a Gravely dealer and they mention to me the seperate motor/pump verses the hydro design assembly in the 2 models of 48 inch commercial ztr's (the ztr's with the seperate pumps and motors were on avg. $1000 more in price.)
  5. ed2hess

    ed2hess LawnSite Fanatic
    Messages: 14,269

    Some of the companies are integrating the pump and wheel motor together sorta like the Walker and the Eaton. I think in general that helps them lower the manuf cost and the retail price like you have found. The down side from my viewpint is that when you have a problem that assembly will cost more than a hydro pump or a wheel motor. Normally both don't go. I don't think there are shops to repair those integrated units yet....certainly not in case of the walker. And since this is new into mowing industry how reliable are these new units:confused: Maybe you are talking about something else?
  6. tacoma200

    tacoma200 LawnSite Fanatic
    Messages: 5,426

    Two separate pumps and two wheel motors are the industry standard at this time so I would go that route. It's a proven system.

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