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Cummins Super 250 Power Steering Pump questions

Discussion in 'Trucks' started by Aaron93, Oct 12, 2019.

  1. Aaron93

    Aaron93 Member

    Jul 18, 2018
    I have a 1977 Kenworth w900 with a cummins super 250. I saw that I have a pretty bad power steering leak. Does anyone have a parts manual on this thing or could guide me in the right direction? Much appreciated!
  2. Truck Shop

    Truck Shop Senior Member

    Dec 8, 2015
    SE Washington St
    More than likely it has a Vickers 10 or possibly 20 series pump. But most are 10 and parts are available plus the Vickers pump exploded view and parts can be found online.

    But some photos would be good because in those years it could have Vickers Power Assist using a manual Gimmer steering gear instead of a Ross power steering gear