News and Helpful Videos

Sundstrand Sauer Danfoss Series 40 M46 Cartridge Motor – Improved Seal Retention By adding a flat washer to the front of the input shaft lip seal it enhances the seal retention. The snap ring groove is moved to give enough space for the washer. But it becomes non interchangeable with other parts, once the change is made.And the old cover will no longer be available. Let us know if you need help with this, please call us at800-361-0068sales@hydrostatic-transmission.com

Sundstrand Sauer Danfoss Series 40 – Changes in Swashplate Feedback Pin Sundstrand has changed the design of the swashplate feedback pin by making it more rounder. These are used in the variable pumps. If you have any of these pins, you may return them to the supplier and get credit toward purchasing the new pin.While you have your unit torn down for either just keeping up with maintenance or needing a repair job done, there is somethings you need to know about the pin. if the slot in the feedback pin has turned and is facing the rotating group or...

Sundstrand Sauer Danfoss Series 40 – Improve Charge Check Valve The change to the charge check valve is on the M46 PV & PT Series 40 and Series 42 M51 & PV models.It is making the spring force greater on the check valve spring. It will help in getting the check valve closed under cold system operations. It is interchangeable. But the old check valve will no longer be available. So if you need further assistance with this, please let us know800-361-0068sales@hydrostatic-transmission.com

Sundstrand Sauer Danfoss Series 40 Servicing a Control Sleeve Sundstrand is improving the maintenance of it’s control sleeve on models M46 single and tandem pumps. This means the feedback will be expanded for the slot width of the control valve sleeve. It is interchangeable for this model number and newer models, A-86-14-xxxxx. If you have an earlier model will need to contact a supplier.When you are putting this back together make sure the slot is align with the feedback roll pin. You will need to make sure there is no wiggle room at all between the roll pin and the...

John Deere Crawler 755B Inch Bolt & Cap Screw Torque Values. The torque values listed on the chart are general use only. Always, check for tightness periodically. And use the appropriate fasteners. If you use lower grade, then it will not last as long. and use the right lubricant for the job.If you application calls for a different value that is not on the chart or the charts is higher or lower than what is recommended… use what is recommended from you supplier or manufacture. These are general guidelines to go by.Make sure you use the right tool to tighten...