1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

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: 304

    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: 752

    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.