I'm trying to revive an old Prime Mover Skid Steer L1200D . Got all the books and part #s. Their just not on the self. It has a QD-40, 3AB1 Isuzu diesel, Sundstrand hydrostatic series 18, Ross TRW motors, the implement pump is a Rexroth S15S series which I need parts for. I've got old #'s . I...