Pilot
Member
2008 287c skid steer Replaced demand pump (seal was leaking) ran machine about an hour worked great next time I use it ran about half hour then lost rpm and power. At full throttle rpm is only 1200 rpm machine won’t move. All other hydroelectric work great. When raising Or lowering boom the rpm goes to 2500 rpm machine moves fine stop using hydraulic rpm drops run rough smokes and feels like motor is loaded up. Change all filters new hydraulic fluid changed pickup pump , put old fan back on no change . Need Help