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Old 07-18-2016, 05:30 PM
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Default backhoe strength

Is a 3 point hitch hookup for a backhoe onto a tractor good? Sub-frame hookup is probably better, but how about the 3 point hitch hookup? Thanks. John.
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Old 07-19-2016, 04:01 AM
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1) I've read that dealers occasionally see a tractor with the back end of the transmission ripped open, from driving around and hitting a bump with a 3-point backhoe. That much weight tugging on the upper link is more than the transmission casting was designed for.

2) I have a 3-point backhoe that was sold together as OEM by both Yanmar and Kubota around 1980. It works ok in my application, taking out orchard stumps and the related lateral roots. But it is obvious the strength is intentionally limited, to not overstress the mounting points.

For example it won't lift enough weight to use it as a crane, or even swing side to side with the bucket heaped if I'm out of level and the swing would go uphill. Plenty of strength at the bucket curl which is essential to break stuff loose, but all the other functions are 'just good enough'.

It won't lift the tractor off the ground like a frame-mount backhoe. That function is handy to move the tractor to one side, to reach a little farther to the side, and I miss that ability.

Summary - a 3-point backhoe is a real compromise, sacrificing much of the capability of a frame-mount while risking damage to the tractor. Also its so heavy so far back, that if it isn't matched to the 3-point lift capacity you might not be able to get it off the ground to drive around with it.


Other applications aside from stump removal - Here's an old thread I posted, with photos. Any backhoe is a lot better than digging with a shovel!

Another. Brute-force gardening.
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Old 07-19-2016, 06:56 AM
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Great summary on the 3PH backhoe vs sub frame CA.

Because of the 3PH limitations and my worry of doing damage to my tractor I still do not own a back hoe. I've have opt'd to rent a trac hoe when I need one. This makes me plan my work and let some things go a while until I justify to rent for a day or two but for me this has been the best choice.
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