hello i purchased a L 260 kubota with a loader allied 180 the hydraulics on this tractor are very slow got to run at highest rpm to get it to pick up 200 pounds the suction screen was completely clogged i changed it and still have the same problem with the hydraulics i put a pressure gage on the pressure side of the pump at the higest rpm it will pressure up to almost 900 psi what pressure should it read at high rpm the pump spec from what i can find online says 1990 psi at 4.7 gmp i found a pump for $900.00 should i try something else or have i covered everything and should get another pump the kubota dealer i checked with said 900 and its the only pump in the country