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This control valve used for several different designs. They are parallel, tandem and linked together parllel/tandem hydraulic circuit processes up to 3500 PSI that has an uninterrupted operating pressure. The new spool is lighter actuating effort that can be operated with a touch of a finger. The special fine metering fundamentals that are made for back hoe, front end loader, lift and cranes. The acuteness of this design helps with the mechanical linkage. The service can be done by individual sections are added, taken away or replaced altogether. The nominal flow rate is 50 gpm. Has pressure up to 3500...

Our Hydrostatic Equipment Equipment Repair Service offers Hydrostatic Repair service, Hydrostatic parts, or Hydrostatic equipment rebuild and repair for many name brand Hydrostatic or Hydraulic pumps, motors, and transmissions such as Sundstrand and Eaton. Our experienced Hydrostatic Equipment Repair mechanics have over 30 years combined hydrostatic repair experience in the repair of hydrostatic drives and we work together with you our customers to save you time and money. We have a Lower overhead that allows us to compete with most competitors pricing, we feel like we can save as much as 50 % on most hydrostatic equipment repairs. We work...

The Series 40 –Sundstrand Sauer Hydrostatic Transmission offers pumps and motors that can be helpful in extrication or combining a system to reassign and control power. When combined in a system, these units offer significant variable speed ranges between zero and maximum, in forward and reverse modes of maneuvers. Series 40 – Sundstrand Sauer Hydrostatic Transmissions offers variable displacement pumps are condensed and up to date design, able the parallel axial piston / slipper design in combination with a tillable swash plate to vary the pump’s displacement. Reversing the manner of the tilt makes the swash plate overturn the flow...

When you don’t need the relief valve parts (8,9,10,11 & 12), these are being changed with the charge relief valve parts (23,24,25,26 & 27. Now the port where the charge relief valve parts use to go is abetted. Now you will need to take off the plug #23, take out the spring #26 and poppet #27 out of the housing part. There will be no need to mess with the shims #25 or switch out parts that go to another valve. Look over the poppet and make sure it is down in the housing to take away any debris that...

What is a hydrostatic transmission? A hydrostatic transmission consists of a variable-displacement pump and a fixed or variable displacement motor, operating together in a closed circuit. In a closed circuit, fluid from the motor outlet flows directly to the pump inlet, without returning to the tank. As well as being variable, the output of the transmission pump can be reversed, so that both the direction and speed of motor rotation are controlled from within the pump. This eliminates the need for directional and flow (speed) control valves in the circuit. Because the pump and motor leak internally, which allows fluid...