Results 1 to 5 of 5
  1. #1
    Mekanizm is offline Cast Iron
    Join Date
    Nov 2007
    Location
    Charlotte, NC
    Posts
    374

    Default Substitute for Mobilfluid 423?

    Assuming it's unavailable because I can't seem to find any. It is called out for the headstock lubrication in a Sheldon 15R lathe. Anybody know what I can substitute for it?

  2. #2
    johnoder's Avatar
    johnoder is online now Diamond
    Join Date
    Jul 2004
    Location
    Houston, TX USA
    Posts
    20,392

    Default

    Mobilfluid 423 is listed under transmission fluids. Is has no ISO # applied in the Brief Product Descriptions book I have, but SUS @ 100 F is given as 283 - not too far off from the 335 of DTE Heavy Medium (very commonly used in headstocks)

    If your Sheldon has no hydraulic gadgets in the HS, I suggest DTE Heavy Medium by Exxon Mobil

    John Oder

  3. #3
    ENGINENUT2 is offline Aluminum
    Join Date
    Jul 2005
    Location
    Dickson, Tennessee USA
    Posts
    114

    Default Mobilfluid 423

    I have a fairly recent comparison chart showing it as an automatic transmission fluid other brands being: Conoco Powertran III, Shell Donax TD, Exxon Torque fluid 56, Co-op Tractor hydraulic Fluid.Other brands are listed, if they will help let me know.

  4. #4
    Mekanizm is offline Cast Iron
    Join Date
    Nov 2007
    Location
    Charlotte, NC
    Posts
    374

    Default

    Yes, buying something by the quart locally would be nice! I'll look around.

  5. #5
    JRIowa's Avatar
    JRIowa is online now Diamond
    Join Date
    May 2003
    Location
    Marshalltown, Iowa, USA
    Posts
    7,360

    Default

    The replacement for 423 is Mobilfluid 424. It is not automotive ATF nor is it hydraulic oil. When machine tool builders use a lube like this, it's usually because they have a wet clutch or a power shift (or both).

    As old as that lube is, it's probably time for a drain and replace. You might be able to buy gallons of the comparible John Deere lube at a dealership. That would be JDN-JD20. Other places to try are TSC (tractor supply). They might have 1 or 2 gallon jugs. Look for the comparability to JDM-JD20, Catipiler TO-2, or Allison C-4.
    JR

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •