I have two (2) personal real life stories to tell:
In 1981, I paid $1,600.00 for a very compreshisive new Troy-Built Horse / PTO 8 HP Kohler equipment package - including snow chains and dozer blade.
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Personal Story 1)
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I had to fill approximately 1/2 acre of property (my backyard) with 14,000 cubic yards of fill dirt - to remove a potential 3' foot deep water hazard from childern in the middle of a small country town of 100 homes.
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I already had the above equipment - but could not afford the services of a tractor to move, spread and level the fill dirt.
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With the dozer blade, snow chains, and a cubic yard dump cart I attached to the back of the Horse / PTO - and much time - I succeeded in moving, spreading, and leveling those 14,000 cubic yards. Not fun. Not recommeded. But I did succeed in doing it.
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Personal Story 2)
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Later that year, using a weed wacker with a brushblade, I succeeded in severing five times (5 locations) the extension tendons on my left index finger. There was a steel pin inserted down the full length of the centern of that finger - and a full hand cast. Leaving me with just my right hand to shovel snow later that winter.
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I had previsiously and prior to this built a two cement (solid) block counter weight to mount at the back of the Horse / PTO to allow the dozer blade to be used to push sand and snow (see above Personal Story 1).
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That winter, with the stated left hand in full cast and the steel pin protruding outward and up ward - the snow came and it came - many feet of snow. And I could not shovel an oz of that snow. I tried one handed snow shovelling - I really did.
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One handed - I managed to mount my counter balance at the back of that Troy Built Horse / PTO, mount the dozer blade at the front of the machine, and install the tire chains.
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One handed - right handed - Left Hand always held up in the air - managed to remove snow from driveways and walkways of both homes I owned. Granted - it took me all day dawn to well past midnight. But I did it. Not fun. Not recommeded. But I did succeed in doing it.
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So you can do a lot with a dozer blade mounted on that machine with tire chains - if you want to. Not fun. Not recommeded. But I did succeed in doing it.