News and Helpful Videos

Sundstrand Sauer Danfoss Hydraulic Pump/Motor 90 Series – Orifice

Posted by Tammy Soper on

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss:   Group This section shows how it is installed in the control housing. The chart will show part numbers, descriptions, date codes and how much per model. So if you need assistance with this, please call us or drop us an email. We will be glad to help. 800-361-0068 sales@hydrostatic-transmision.com series-90-orifice-2

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Different Combinations of Hydraulic Pumps & Motors

Posted by Tammy Soper on

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: Pump and Motor Combinations Certain types of pumps and motors can be put together to give different system requirements for different applications. A constant displacement pump in combination with a fixed displacement motor produces a fixed hydraulic horsepower put out by the pump. The torque and shaft speed are constant with the motor. A constant displacement pump with a variable displacement motor will give you a fixed hydraulic horsepower that is delivered in the motor. The shaft...

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Denison Hydraulic Piston Pump Series 2-700/3-700 Linear Servo Control

Posted by Tammy Soper on

Denison Hydraulic Piston Pump Series 2-700/3-700 Linear Servo ControlThis is a parts list for P2V07 (4.05 cu. in.) and P3V07 (5.29 cu. in.)one side of center code 6.This will be helpful if your in need of parts or need a repair job on your unit.Which we can handle any Denison Pump or Motor you have.We do repair,rebuilds and exchanges.We also buy cores.So give us a call for a quote on a new unit or repair/rebuild job.800-361-0068email us at sales@hydrostatic-transmission.com

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How to Troubleshoot Your Hydraulic System

Posted by Tammy Soper on

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss; Hydraulic System Troubleshooting Below is a list of problems and what causes the problems. Problem Cause The hydraulic system will not operate 1,2,3,4 Show hydraulic system action 1,3,5,7,8 Hydraulic action is not smooth 1,5,7,8,9 Lift arms go up slowly at full engine RPM 1,3,5,7,8,10,12 The lift arms will move with the the pedal in neutral 6,11 position The lift arms come down slowly with the pedal in the 6,11,12,13 neutral position Description of Causes (numbers above correlate...

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Solenoid Control – Options on the External Pilot Pressure

Posted by Tammy Soper on

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: External Pilot Pressure Option for Solenoid Control There are other options for a solenoid control and that is using external pilot pressure. How this is used, is as follows; pressure for the pilot valve comes from the pressure passage in the main valve. There are times you would not want this, such as when the system pressure goes up or down to a degree that the pilot pressure to shift the main valve spool may not be...

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