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'89 Grove RT630 Loss of Drive

Discussion in 'Cranes' started by Drew Bielenberg, Apr 26, 2021.

  1. Drew Bielenberg

    Drew Bielenberg New Member

    Apr 26, 2021
    Loveland, CO
    I recently got a new job and we have an old Grove RT-630 Crane that runs amazing, hydraulics work fine, but the drive doesn't seem to want to work all the time. You can put it in first, low gear or high gear, and mash the throttle. It will barely move. Checked the hydraulic fluids, Trans fluid, checked for leaks and found a small one and fixed that. Everything seems ok. Just baffled right now. Any tips or tricks? Not used to working on Cranes. Thank you.