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Sundstrand Sauer Danfoss Series 40 MMF035D/MMV035D Shaft Bearing The reason for the change on the M35 and M44 units, is to give an option on the shaft bearing. It can be equipped with a high capacity part that will allow it to take on high thrust loads. Giving the motor a better performance. The new bearing can be using with the old bearing. If you need further info on this topic, please let us know. 800-361-0068 sales@hydrostatic-transmission.com

Motor, Shaft and Gears of a Power Transmission The motor shaft and gears in this diagram show how the horsepower is derived. One see of gears and shaft will have to transmit power to move the tool slide. The machine spindle is a shaft where the chuck is mounted onto. Then it is driven by a chain and sprocket at the appropriate speed to do the job. If you don’t get the right amount of horsepower to the unit then it proves to be useless, unless you get it to the point where the actual machining is done. The point...

Sundstrand Sauer Danfoss Series 40 Adding an Orifice to the Loop Flush Drain It is a change in the variable motor housing that will let the amount of the loop flushing flow to be controlled. The housing has to be tapped to take in an orifice in the loop flushing drain passage within the housing.This housing replaces the old one which wasn’t tapped. And the new and old housings you can change out. You will not be able to get the old housing any more either.So if you need further information on this, please contact us at800-361-0068sales@hydrostatic-transmission.com

Sundstrand Sauer Danfoss Series 40 M46 EDC & HDC O Ring Change They have reconfigured the control housing to take an oring that is stiffer that has a larger cross section. It will require a deeper groove to be made into the housing. So it will not have to have two orings anymore.The EDCs and HDCs that are the older models will need the smaller cross section orings. When you have to replace these parts, it will have the new parts: stiffer oring with the larger cross section. Seal kits will have both the old and new orings in the...

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: Assembly Procedures for Variable Displacement Pump Series 40 M46 – Part 1 Always clean and oil parts before you assemble the pump. Make sure you torque oil threaded parts to levels that are recommended. (Part are have their own high tolerance levels to surfaces, prior to assembly. Make sure all openings and ports from contamination). The servo stop sleeve serves as a maximum displacement stop and is available in different lengths. When you are reassembling the pump,...