This DVD will help you solve common problems with the John Deere POWR-TROL or Power Lift hydraulic system. Our sample tractors are 1946 and 1949 John Deere A's, one is equipped with an after-market 3 point hitch. Dan, Scott and Todd remove the POWR-TROL system, point out the trouble areas, and show you how to replace the seals and gaskets. The hydraulic pump is removed from the Power Lift system and completely rebuilt. Types of oil and correct levels are also discussed. DVD format. 51 minutes.