Backhoe Disgruntled 4550 B Mahindra backhoe owner

   / Disgruntled 4550 B Mahindra backhoe owner
  • Thread Starter
#11  
What attracted you to the Mahindra in the first place?
Surely you made an informed decision to purchase??
:wrench:

I defiantly bought the right tractor. It's strong. I would have had to buy a 60 horse tractor in the other colors to equal this one. The tractor or to strong for the hoe
 
   / Disgruntled 4550 B Mahindra backhoe owner
  • Thread Starter
#12  
I think the 4550B is an Ansung unit. Contact Ansung and ask for seal kit 7040. Should be the right one for the ANSBH86A098100 cylinder.

Thanks. I'm checking now.
 
   / Disgruntled 4550 B Mahindra backhoe owner #13  
I'd test the cylinder before you tear it apart and put a seal kit in it. It could be the valve, or could be the cylinder. Dont want you wasting money on the wrong thing guessing. Test it and be sure
 
   / Disgruntled 4550 B Mahindra backhoe owner
  • Thread Starter
#14  
I'd test the cylinder before you tear it apart and put a seal kit in it. It could be the valve, or could be the cylinder. Dont want you wasting money on the wrong thing guessing. Test it and be sure

How would I test the valve. I have no leaks of fluid.
 
   / Disgruntled 4550 B Mahindra backhoe owner #15  
How would I test the valve. I have no leaks of fluid.

I wouldnt. i'd test the cylinder, if the cylinder is good, and no leaks elsewhere, the only thing left is the valve.

I suppose you could swap some hoses. Make the boom function operate off the dipper or bucket spool. If the boom quits dropping, It means the cylinder is fine and you have a valve issue.

If it still drifts, it either means the cylinder indeed needs rebuilt, or you have one sloppy loose-tolerance valve.

But the easiest is to just test the cylinder.
 
   / Disgruntled 4550 B Mahindra backhoe owner #16  
If all of the broken items listed, cylinder leaking by, "broken bucket teeth" and a broken sub frame (???) happened in the first 130 hours or less, I am thinking you are possibly asking the machine to do more than it was designed for. It is not Case 580 rental unit. I would like to see the sub frame pictures.
 
   / Disgruntled 4550 B Mahindra backhoe owner #17  
Just a quick note, you can take the seals out of a cylinder then lift the boom or what ever up and once you get it to lift and stop it will not leak down...unless you let oil out of it. Cylinder leak down is 99% of the time oil leaking to tank (valve) not leaking from piston end to rod end.
 
   / Disgruntled 4550 B Mahindra backhoe owner #18  
Just a quick note, you can take the seals out of a cylinder then lift the boom or what ever up and once you get it to lift and stop it will not leak down...unless you let oil out of it. Cylinder leak down is 99% of the time oil leaking to tank (valve) not leaking from piston end to rod end.

Only true if cylinder is trying to compress. Not true when cylinder is trying to extend like most backhoe booms
 
   / Disgruntled 4550 B Mahindra backhoe owner #19  
To many try to compare tractor backhoes to an industrial backhoe.. this is no replacement for an industrial. have seen a few teeth pop off that's not as uncommon but never seen a subframe bust..... how are you using the outriggers? they are not designed to pick the back of the tractor completely off the ground.. only to put extra stability with the tires
 
   / Disgruntled 4550 B Mahindra backhoe owner #20  
Picking the back of the tractor up should not be a problems. Sometimes you have to to level yourself out side to side
 

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