Rusty it fits into the MTD parts lookup as OEM 190-822 which is a 46" dozer blade and looks like this:
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Hey, Bushleague---you hit it right!! Looks eggzactly like the parts i have here.
This one is all assembled, but i wasn't sure i had all of the parts. With no tractor to look at, i wasn't sure it was all there. I traded an older, self propelled walk behind for it.. got the mower in a swap situation-no cost to me.
I'm trying to install it on an old Murray garden tractor type, but may have to give that idea up, and try it on something else, as the frame may not take the pressure. The Murray is a large machine, with large wheels and tires, a Briggs Horizontal twin cylinder, so it will have the power. But, it is going to take some figuring!
Rusty J.

I just got one that is made for Murray, and it is a full frame design all the way back to the hitch mounton the back. It has a blade turn adjustment lever on the right side and a raise/lower lever handle on the left. I had just begun to try to attach it to my Murray GT 20hp/52", but had to stop because of darkness. Its hitch mount, was easy to just attach the hitch ball back through it and tighten back on, the raise lower part I havent figured out just yet. I was expecting it to attach to something already there from the mower deck useage, but nothing immediately jumped out at me, so may have to ponder that. Front mount looks like it moounts to the front mower deck bracket. Got mine for $75. If I knew how to send a picture of it I'd do it. Maybe you could email me and I could send you a picture of it.