tractor and backhoe

   / tractor and backhoe #1  

mechanic

Silver Member
Joined
Feb 7, 2004
Messages
211
Location
missouri
While reading posts on this site I have discovered that some operators have experienced tractors coming apart in the middle from using the backhoe attachments. Whats up? /forums/images/graemlins/blush.gif
 
   / tractor and backhoe #2  
As a new backhoe purchaser, this is something that caught my eye also. There are basically two kinds of backhoe attachments. One kind hooks up to the 3 point hitch on the back of the tractor, the other has a "subframe" permanently added to the tractor to carry the backhoe.

A backhoe is designed to push, pull, rip, dig and do other violent things to the ground and objects, with thousands of pounds of force. It has to have something to lean against to give it some leverage when doing this. If the tractor is the backstop, it better be a really heavy unit, like an actual backhoe.

Next best are the subframe backhoe attachments, which take all the stress off the tractor itself.

The 3 point backhoes are lighter-duty units for part-time use. Some of those are good, well-designed for that purpose, but none are intended to do really heavy work.

You can figure out the rest. Someone with a 3 point unit tries to level Mt. McKinley with it and ends up breaking something.
 
   / tractor and backhoe #3  
How does the Power Trac back hoe figure into this?

I was hoping a Power Trac would make for a good TLB.

Yooper Dave
 
   / tractor and backhoe #4  
I have a subframe type. Click on the red link below to see the subframe attachment and some jobs I have done.
 
   / tractor and backhoe #5  
<font color="blue">The 3 point backhoes are lighter-duty units for part-time use. Some of those are good, well-designed for that purpose, but none are intended to do really heavy work. </font>

I think Grandad's comments are very much on the mark. /forums/images/graemlins/smile.gif

Still, I can't help but wonder why Kubota would not offer a more substantial back hoe for the B series. The only Kubota option is a 3ph hoe. I don't recall them suggesting they were only for part time work, but I suppose in reality that is the case. /forums/images/graemlins/frown.gif

Then again, the same might be said for subframe mounted backhoes attached to the same small tractors! /forums/images/graemlins/shocked.gif

In the end, most backhoes on small tractors are probably intended for part time work, regardless of how they attach... /forums/images/graemlins/tongue.gif

Gee...I'm already starting to feel better about my 3ph backhoe! /forums/images/graemlins/blush.gif

/forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif
 
   / tractor and backhoe #6  
<font color="blue">Then again, the same might be said for subframe mounted backhoes attached to the same small tractors!

In the end, most backhoes on small tractors are probably intended for part time work, regardless of how they attach...

Gee...I'm already starting to feel better about my 3ph backhoe! </font>

That was the wierdiest rationalization I ever heard!! But hey whatever works for ya. /forums/images/graemlins/grin.gif /forums/images/graemlins/cool.gif /forums/images/graemlins/wink.gif
 
   / tractor and backhoe #7  
</font><font color="blue" class="small">( subframe backhoe attachments, which take all the stress off the tractor itself )</font>

The subframe does not really take stresses off the tractor, but does spread the stresses over a larger area so, hopefully, no single point is stressed to the point of breaking.

The Woods subframe for my B7800 attaches to the tractor at the rear at the lower lift arm pins and at the front it attaches to the FEL frame. It seems like a good design.
 
   / tractor and backhoe #8  
I dunno! MossRoad is one of the Power-Trac gurus. Maybe he can tell you more about the backhoe situation for them.
 
   / tractor and backhoe #9  
Didn't mean to take anything away from the 3pt type hoes... they are great for most homeowner and light farm applications, but the small tractors most of us use were never intended to stand up to the stress of constant backhoe operation. If someone broke their tractor with a BH, undermatching the equipment to the job would be a likely explanation.

I would think you are right about having a subframe hoe for the B series. The little BX has the small end of the market covered and there are subframes galore for the L's but it sure looks like a gap in the middle of the product line. Would there be any inherent design limit of the B series preventing it?
 
   / tractor and backhoe #10  
Great pictures! nice looking rig.Amazing,when you look at what you accomplished with that little DYNAMO!
 

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