Category II 3PT backhoe...subframe needed?: Back Hoe  -- Tractor Attachments Implements 3ph Discussion Forum and Review Category II 3PT backhoe...subframe needed?: Back Hoe -- Tractor Attachments Implements 3ph Discussion Forum

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 10-04-2005, 12:36 Post: 117351
bpirger



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 Category II 3PT backhoe...subframe needed?

I have a Zetor 5245 tractor and would like to put a 3PT backhoe on. The Zetor is a small "big" tractor, i.e. it is not a compact diesel. At something like 7000 pounds, it is not small.

Does one need a subframe for a backhoe on such a tractor? I think the design philosophy for the 5245 must have been "make it more massive"...it is well built. I understand with compacts the engineering is more refined, and no doubt a subframe is very important. With the mass of the Zetor, I'm thinking it wouldn't know it is there for the most part. I thinking of a smaller 3PT hoe...not some 10' digging depth monster.

Second question....I'd like to be able to dig ditches, break up stump roots, etc with the hoe. Not looking to dig foundations on a daily basis. What kind of breakout force is the "minimum" for digging up stumps and whatnot? I assume a smaller breakout nearly always work, just means a litle slower.

Thanks for any advice.

Has anyone seen Roger Loving around here anymore?

Thanks,
Bruce






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 10-04-2005, 19:20 Post: 117377
kully560



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 Category II 3PT backhoe...subframe needed?

I have a kubota m4900 that weights about 7500# loaded rear r4 tires and fel. everbody said sub only 3 point puts to much strain on bell housing .could braek something like in the heat of the moment when just a little more ,then you could be sorry






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 10-05-2005, 12:12 Post: 117416
dfkrug



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 Category II 3PT backhoe...subframe needed?

My feeling is that you are probably OK with a 7 1/2-ft
hoe (in the 1000 lb range) on a CAT 2 3-pt with a tractor
of 7000 lb and up. That said, subframes are still much
better since they couple tighter to the tractor.

As for digging stumps, no hoe in this class can power
through large roots. You still have to dig around them
and do some cutting. I think that digging out stumps is
one of the toughest duties for a b/h as you use max digging
force that often suddenly breaks loose.






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 10-05-2005, 13:01 Post: 117421
bpirger



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 Category II 3PT backhoe...subframe needed?

So while we are at it...another question.

In searching through e-bay, the idea of buying one of those mini excavators comes to mind. A new 3pt hoe is in the neighborhood of 5-7K....or so. For the same, or a touch more, you can buy one of these 1 to 2 ton mini excavators. Of course, they are used and represent an entire another machine to keep running, and one with tracks to boot. But, the idea of the nibleness, and having to machines to work together, and the overall advantage of the excavator setup, it seems like it might be a worthwhile purchase.

Any exerpience with the mini excavators? They seem to be small little diesels, I assume running nothing directly, but everything is hydraulic. So, a 12 hp or so diesel running a hydraulic pump....

Any thoughts? Stupid question....please share your thoughts...






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 10-05-2005, 13:17 Post: 117422
dfkrug



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 Category II 3PT backhoe...subframe needed?

I have used the tracked mini-excavators (Takeuchi) and they
work quite well. Like anything else, they have tradeoffs.
Since they are tracked, they are hard on pavement and they
are not useful for moving loads around like a FEL. On the
other hand, they are great at digging holes and loading
dump trucks. One of the reasons that they are fairly
inexpensive to buy used (vs compact TLBs)is that they are
single-purpose tools bought by excavation contractors, vs
multi-pupose tools like compact TLBs, that everyone buys.






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 10-05-2005, 13:29 Post: 117423
bpirger



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 Category II 3PT backhoe...subframe needed?

I have 44 wooded acres...there's no pavement in site, and with a 1000' driveway, there won't be anytime soon! The little ones usually have rubber tracks, and I'd think those would be rather minimal impact on pavement, yard, grass, etc anyways, right?

I have the zetor, which is not a compact tractor, with a FEL...so I have all that for getting things around.

What I want to do now is be able to dig my own drainage trenches, landscaping work, burying more conduit, etc.

I have about 16" of dirt on my property, then it is all rock, so I can't really dig well into it with a true tlb, let alone a 3PT hoe or a mini excavator...so, I envision using it more for the odd job every now and again.

I'd like to clear a few acres of land for a pasture, over a period of years I suspect, no big hurry, and with a three of some size in every square yard or so, there'd be many stumps to bring up. A dozer would be best for that I think, I hire one in now when I need it, but I grow tired of hiring one in...and also want to work on my own schedule.

Is digging ability all in break out force, or does it matter more on the machine it is attached too? I'm sure mass of the host machine matters, I'd think so anyways, and hence curious on comparing a mini-ex with a 3pt hoe which has similar breakout forces, cylinders, etc. My tractor and hoe would be over 10,000 total together I suspect....with loaded tires, the FEL, chains, etc. The min ex's are a third of this at best, in my low end price range.






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Discussion Boards > Active Subjects > Messages as Posted > Back Hoe Forum

Thread 117351 Filter by Poster:
bpirger 3 | dfkrug 2 | kully560 1 |




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