• Sundstrand Sauer Danfoss Series 40 Shaft Options
    Sundstrand Sauer Danfoss Series 40 Shaft Options
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    Sundstrand Sauer Danfoss Series 40 Shaft Options   Sundstrand Sauer Danfoss units come with all kinds of shafts: Tapered Splined Straight Keyed Regular shaft sizes and torque ratings are listed on the chart. Torque ratings usually don’t have external radial loading. Ratings for splined shafts show spline tooth wear. The highest rating for torque is…

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  • Rapid Advanced Circuit
    Rapid Advanced Circuit
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    At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts Today we will discuss: Hydraulic Circuitry – Rapid Advanced Circuit In Hydraulic Circuitry a rapid traverse is needed until the machining portion of the stroke is reached. This is known as rapid advance and feed…

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  • Sundstrand Sauer Danfoss Series 90 Removal of Valve Plate
    Sundstrand Sauer Danfoss Series 90 Removal of Valve Plate
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    Sundstrand Sauer Danfoss Series 90 Removal of Valve Plate from the Cylinder Block Kit On the diagram you will see item (C80) the valve plate, this is the item be eliminated from the Series 90 cylinder block on the variable pump. There are too many choices on the valve plates now. If you need a…

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  • Sundstrand Sauer Danfoss Series 40 Hydraulic Fluid
    Sundstrand Sauer Danfoss Series 40 Hydraulic Fluid
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    Sundstrand Sauer Danfoss Series 40 Hydraulic Fluid There are few standards at which hydraulic fluid is rated: *operation *oxidation *rust and foam inhibitors   They have API CD engine oils per SAE J183 M2C33F automatic transmission fluid. Dexron llor llE meeting Allison C3 or Caterpillar TO-2 and other agricultural tractor fluids. Hydraulic fluids per DIN…

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  • Sundstrand Sauer Danfoss Series 40 Charge Pump Flow & Power Requirements
    Sundstrand Sauer Danfoss Series 40 Charge Pump Flow & Power Requirements
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    Sundstrand Sauer Danfoss Series 40 Charge Pump Flow & Power Requirements   Some of the features we are fixing to mention may contradict the 10% displacement rule to some degree. operation at low input speeds below 1500 RPM auxiliary flow conditions high torque low speed motors shock loadings really long system lines If any of…

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  • Hydrostatic Transmission Service Warranty
    Hydrostatic Transmission Service Warranty
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    Hydrostatic Transmission Service Warranty   Hydrostatic Transmission Service, LLC warrants our hydraulic-hydrostatic repaired pump or motor to be free of any defects in workmanship for a period of one (1) year from the date of installation if the following conditions are met by the customer: A. The hydraulic-hydrostatic reservoir must be cleaned out with diesel…

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  • Sundstrand Sauer Danfoss Series 40 MPV035D/MPT035D Trunnion Seal Change
    Sundstrand Sauer Danfoss Series 40 MPV035D/MPT035D Trunnion Seal Change
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    Sundstrand Sauer Danfoss Series 40 MPV035D/MPT035D Trunnion Seal Change A trunnion seal change has been made to following variable pumps/motor units: M25 M35 M44 They have elongated the dust lip, allowing more tolerance and leeway when there is an installation. There will not be as many low hour trunnion failures during installation. The new seal…

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  • Sundstrand Sauer Danfoss Series 90 Side Cover Change
    Sundstrand Sauer Danfoss Series 90 Side Cover Change
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    Sundstrand Sauer Danfoss Series 90 100cc Side Cover Change Sundstrand 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…

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  • Sundstrand Sauer Danfoss Series 40 MMF035D/MMV035D Shaft Bearing
    Sundstrand Sauer Danfoss Series 40 MMF035D/MMV035D Shaft Bearing
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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…

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  • Sundstrand Sauer Danfoss Series 90 Axial Piston Pump Chart & Diagram
    Sundstrand Sauer Danfoss Series 90 Axial Piston Pump Chart & Diagram
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    Sundstrand Sauer Danfoss Series 90 Axial Piston Pump Chart & Diagram   Listed below are parts description for the Axial Pump and a diagram to go along with it. If you need help in this area, please call or email. We will be glad to help in anyway we can. 800-361-0068 sales@hydrostatic-transmission.com      …

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