News and Helpful Videos

Excavator Hydraulic Pump – Caterpillar

Posted by Tammy Soper on

xcavator Hydraulic Pump Repair Center and HPR Track Hoe Hydraulic Pump Repair Center offer Caterpillar excavator pumps. We also sell Hydraulic Parts for Caterpillar Excavators or Caterpillar Track Hoes. We offer Repair for Caterpillar Excavator Hydraulic Motors, Excavator Hydraulic Motors, Caterpillar Tandem Excavator Hydraulic Drives, Caterpillar Excavator Hydraulic Pump Components, All Caterpillar Excavator Hydraulic Pump and Caterpillar Track Hoe Hydraulic Equipment and all foreign Caterpillar hydraulic pumps, Caterpillar Excavator Hydraulic Pumps. We also sell New or Remanufactured Excavator Hydraulic Pumps and all terrain crane Hydraulic Pumps for the following equipment, Doosan Excavator Hydraulic Pumps and Doosan All terrain Crane Hydraulic...

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Dynapower 12.0 Phase lV Piston Pump Diagram

Posted by Tammy Soper on

This is a diagram of valve plate parts. Gives you your part numbers and breakdown of the pump. This gives you an idea of where the parts go and if you need to order parts for your unit. And you can take to your mechanic to repair your unit. It tells what goes in your kits, because sometimes you can’t order just the oring or gasket, you will have to order the whole kit. If we can help with your next repair, call us at 800-361-0068 sales@htsrepair.com picture for illustration only

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Bosch SV10/15 Variable Volume Pump

Posted by Tammy Soper on

Listed below are diagrams and charts that tell about parts list, parts, adapter couplings, seal kits and etc. It tells what models get what parts and how they go on. On item 15 you will need to put molykote g paste or something like it on the ball. Also this pump has a medium keyed shaft and has a manifold mounting with a right hand rotation.   On the top two the one on the left : * means it is in the seal kit and can be for SV10 and SV15 ** means that on most compensated & load...

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Racine SV20 Hydraulic Pump

Posted by Tammy Soper on

Here are some charts, diagrams and breakdowns that will help you on this particular pump. This is a variable Volume Vane Pump. This is a right hand rotation pump that has a medium keyed shaft and shows manifold mounting. And don’t try to tighten this past the suggested torque values.     The distance from the pump mounting flange to the center of the port has went up by 5/16″   Where the backup ring is very important as far as the suction part goes. If you have a bigger arc is not where it is at on the diagram,...

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Series 90 100cc – Sundstrand Sauer Danfoss Improved the Adjustable Charge Relief Valve

Posted by Tammy Soper on

They are putting an outward flexible charge relief valve on the Series 90 fixed displacement motors. The other models had a shimmed relief valve. On the newer models have a higher range of flexibility to go from 10 -32 bars. The loop flushing shuttle spools diameter can go from .25″ to .375″. It will be not interchangeable. You can’t put the flexible valve onto a motor on the previous models. And the older end caps that has the housing for the charge relief and loop flushing valves, they want be used as service parts either. If you need a newer...

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