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Sundstrand Sauer Danfoss Series 20 Displacement Control Valve The top picture shows a control valve that is in perfect condition. Do not mess with the linkage, it is adjusted just right. These are set at the factory. They come locked and sealed with a cap noting that is directly from the factory. The second or middle unit shows a broken spring. Sometimes the spring pin becomes fractured and could result in a broken springs, this will need to be replaced. The last picture shows a broken control shaft. This can be caused by over torquing the nut that holds the...

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: Sundstrand Sauer Danfoss Series 90 75cc Auxiliary Flange Charge Pump Cover The service bulletin SB 2005-011 is to point out that it will no longer mark the flange “R” or “L” for the rotation anymore. The pilot surface has changed on the cover. The right hand rotation on the charge pump cover will have one step. The left hand rotation on the charge pump cover will have two steps. The P/N will remain the same. The units...

Sundstrand Sauer Danfoss Series 40 Remote Filtration Option On the new model the measurements are 4.93 PV & 5.49 PT. On this model there is no charge pump option. Pumps affected by this are the M46 & M91 tandem pumps. The new model is interchangeable with the older housing. If you have a charge pressure monitor attached to the adapter block, you too could be affected by the change. The new style doesn’t have a filter inlet gauge port. But you could have one if you attached a tee on the port leading to the remote filter. If more information...

Sundstrand Danfoss Hydraulic Sauer Pump Repair ExpertsIf you are looking for dependable service and advisefor your Sundstrand Danfoss Sauer pump, look no further than the team at Hydrostatic Pump Repair. Call us today at 1-800-361-0068We can help you keep your Sundstrand Danfoss Sauer equipment running at peak performance. Services:Sundstrand Danfoss Sauer Pump Repair• Sundstrand Danfoss Sauer Valve Repair• Sundstrand Danfoss Sauer Field Service• Sundstrand Danfoss Sauer Motor Repair• Sundstrand Danfoss Sauer Installation• Sundstrand Danfoss Sauer Engineering & Design Sundstrand Danfoss Sauer Hydraulic Pump Repair Our Sundstrand Danfoss Sauer Hydraulic Pump Repair Shop offers comprehensive repair services for Sundstrand Danfoss Sauer...

Rexroth Variable Displacement Pump A10V – Pressure Flow Power Control If you want to have a constant drive torque with different operating pressure, the swivel angle and the output flow from the axial piston unit is different so the flow and pressure stay the same without. Below are charts to go by that give different variances. If you need further help with this, call us at 80-361-0068sales@hydrostatic-transmission.com