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Western uni - ultra mount motor ???

Discussion in 'Western Plows Discussion' started by kingriver, Mar 18, 2012.

  1. kingriver

    kingriver Senior Member
    from alaska
    Messages: 216

    Have two older version v-plows
    Have two ultra mounts - straight blades.
    The motors look identical -- here lies question.
    I ordered a new 21500 motor, when it arrived the two post are different.

    Did I order the wrong motor or did I order a newer version.

    the one that came has the post side by side
    the ones I have on all my plows have the positive on upper casing and the negative on the lower casing

    any help would be appreciated
    thanks kindly
  2. birddseedd

    birddseedd PlowSite Veteran
    Messages: 3,516

    Is the only difference the location of the negative post? the location of the post doesnt really change anything. its just a post screwed into the motor housing. should be just a basic electric motor. positive, negative. shaft and a few magnets.

    correct me if im wrong.
  3. nealybird

    nealybird Senior Member
    Messages: 750

    yes, that's the right motor. On the current 21500-1 the posts are side by side, and it works on all the Western plows with black power units, except the Suburbanite.