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Obviously it looks like some sorta snow plow but is that what it really is? I have never seen it before and Ive worked in the small town its parked in for 3+ years.
Jordan spreaders have been around for 50 or so years, this one has an optional plow on the front. Walthers offered a kit not too long ago, but with a different front plow.
Here's a shot of one I took locally several years ago, being used as a snow plow.
The "wings" can extend to dress/shape ballast on the shoulders and to clear drainage ditches. Mostly used for snowplow duities. Can use the wings to push snow away from the tracks. Not used as much for ballast anymore, they use "ballast regulators" to do that now.