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difference mm1 and mm2

Discussion in 'Fisher Engineering Discussion' started by jwilly3879, Nov 26, 2014.

  1. jwilly3879

    jwilly3879 Junior Member
    Messages: 2

    What's the difference between the MM1 and MM2.
  2. NHresident

    NHresident Senior Member
    Messages: 285

    some mm1 had the sehp pwr packs where allmm 2's have the insta act pwr packs the structure/towers are shaped differently all mm 1's have only one light stud hole where newer mm 2 have 2 holes for the new style intensifier lights the jacks are made different as r the jack lock the insta act mount brackets r different the lift arms are different and the mm 2's have 2 different ways of automatically pulling the lift arm down when the controllers in float where the mm 1 has to be done by getting out and pushing dwn by hand and the mm 2 also has a bar/handle to throw the push plate pins in and out where the mm1 needs tohave the pins each done manually
    Last edited: Nov 26, 2014
  3. gtmustang00

    gtmustang00 Senior Member
    from Berlin
    Messages: 745

    mm1 mm2 is the headgear style. mm2 has 1 lever to release pins. The later year mm1's had the insta act set up that was 3 plug.

    The 2003 headgear mm2's had 1 stud for headlights. 04 and up headgears are 2 hole for lights.