News and Helpful Videos

Vickers CVCS/CVI Valve Covers & Inserts – Poppet Area Ratios You can get the ratio by comparing are at the bottom of the poppet. This is an example, If the top of the poppet is double the size of the bottom, then it is a ratio of 1:2.  You have around three different ratios; 1:1, 1:2 and 1:1.1. The chart below explains more. And if you still need assistance, call us at 800-361-0068 sales@hydrostatic-transmission.com

Vickers CVCS/CVI Insert Spring Dimensions You measure the spring with a micrometer. It tells the cracking pressure of the spring. And the chart tells which insert kit to use and the function. You can find the function stamped on the insert sleeve and it will give you a letter/number code to use. If your spring is color dyed, it just helps with the ID purpose. And it helps the supplier do a cross reference to a letter code that tells the pressure cracking.  If your spring is not dyed, you can tell the pressure cracking by the wire diameter. If...

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

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

P20 Single & Multiple Gear Hydraulic Pumps/Motors   These small gear pumps pack a punch. They have a port end cover that is light weight, 1/2″ gear that is 6″ from the mounting flange. Has flows that can go up to 2.96 cir at 3000 PSI output to 3.94 cir that go up to 2500 PSI. They offer different mounting flanges, drive shafts and pressure thrust plates. You can make these pumps in a tandem application to produce more flow. As you can see by the charts and diagrams it will go into detail about the displacement of operating pressure...