News and Helpful Videos

Rexroth DFSR Series Summation Control

Posted by Tammy Soper on

The input to the rexroth control pump and the second pump is restricted. It has two overload ratios 70/30 and 50/50. The first number goes with the rexroth and the second number goes with the second pump. Ports B Pressure Port S Suction Port L,L1 Case Drain Ports (L1 Sealed) P2 Pressure Port Pump 2 X Pilot Pressure Port Control Info Pilot Oil Consumption at it’s highest 5.5 L/min If you have models 61 N00/11 is not adequate and the second pump more than likely flanged onto the thru drive. And the power settings are set that way from the...

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Affordable Hydraulic Parts

Posted by Tammy Soper on

Affordable Hydraulic Parts, After market Hydraulic Parts is a subsidiary of Hydrostatic Transmission Service, LLC an after market hydraulic parts needs company located in Tupelo, Mississippi. We specialize in the remanufacturing and marketing of new, used, surplus and remanufactured Hydraulic rotating group parts such as pistons ,cylinder blocks, and valve plates used in hydrostatic piston pump repair and closed loop motors and hydraulic piston and open loop pump repair and motors . Our main product lines consist of after market new, and remanufactured replacement parts for Sundstrand, Eaton, and Dynapower piston pumps and motors. We can also supply new replacement rotating group parts for...

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Aftermarket Gilcrest Hydraulic Parts

Posted by Tammy Soper on

After market Gilcrest Hydraulic Parts is a subsidiary of Hydrostatic Transmission Service, LLC an after market Gilcrest hydraulic parts needs Company located in Tupelo, Mississippi. We specialize in the remanufacturing and marketing of new, used, surplus, and remanufactured Gilcrest Hydraulic rotating group parts such as Gilcrest pistons, Gilcrest cylinder blocks, and Gilcrest valve plates used in Gilcrest hydrostatic piston pump repair and Gilcrest closed loop motors and Gilcrest hydraulic piston and open loop pump repair and motors .Our main product lines consist of after market new, and remanufactured Gilcrest replacement parts for Gilcrest, piston pumps and motors. We can also...

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90 Series 100cc Side Cover Change

Posted by Tammy Soper on

Sundstrand Sauer Danfoss Series 90 100cc Side Cover ChangeSundstrand is changing the side cover screw from all of its Series 90 42-130cc variable pumps. As always the side cover screws if they are take out for any reason, they have to have new ones put back in. The resin coating they put on there at the factory is the reason they have to have new ones put back in once they are taken out. That resin seals the screws and when that is broken when you take out the screws, the seal is not longer there. The old screw length...

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In Line Relief Valve

Posted by Tammy Soper on

These valves have a typical flow port relief cartridge that go on VA and VG20/35 stackable valves. You have two choices for these valves. One is a pilot valve that is driven by an adjustable screw cartridge that allows the flow to go up to 70 gpm and pressures that go from 500 to 5000 psi. The second option is a differential slug adjustable cartridge that lets the flow go up to 40 gpm. There are three pressure fields that go from 500 to 1000 psi, 1000 to 2500 psi and 2500 to 3500 psi.The block is a SAE-16 pressure...

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