Dump cylinder strength

/ Dump cylinder strength #1  

ddmargo

New member
Joined
Nov 1, 2009
Messages
5
Location
Erie, Pa.
Tractor
1990 Wheelhorse 312H, 1974 Case 444, 2009 Kubota 2360
Good morning everyone, just wondering if anyone has any input on this issue. My kubota BX loader bucket does seem to have very much curling strength, is it possible to put a stronger cylinder on it?
 
/ Dump cylinder strength #2  
You could put a larger dia cyl on for more power, but I wouldn't advise it as the folks that designed it to handle the size of cyl that is on it. You could move the bucket pin on the cyl rod up a bit on the back of the bucket, but it wouldn't curl back as far or dump as far over as it does now. Doing this would put more strain on everthing also.

We never have a big enough rig for what we try to do, is the nature of man.
 
/ Dump cylinder strength #3  
Good morning everyone, just wondering if anyone has any input on this issue. My kubota BX loader bucket does seem to have very much curling strength, is it possible to put a stronger cylinder on it?

Have you checked the operating pressure of you system? Usually curl force is greater than lifting force on a FEL. I have seen some posts where Bota shipps these tractors with the system relief set below factory specs. I would start here before looking into larger cylinders etc..

Roy
 
/ Dump cylinder strength #4  
Have you checked the operating pressure of you system? Usually curl force is greater than lifting force on a FEL. I have seen some posts where Bota shipps these tractors with the system relief set below factory specs. I would start here before looking into larger cylinders etc..

Roy

Exactly. Check the PRV (pressure relieve valve) pressure before doing anything else. Lots of posts in the Kub forum I think about this-and yes it seems a lot of Kub's have low pressure from the factory.

Also a bigger cylinder will move slower, so your dump/curl cycle time would increase also.
 
/ Dump cylinder strength
  • Thread Starter
#5  
Thanks for the input, I'll look into the prv,
 
/ Dump cylinder strength #6  
Every 50 psi increase, you gain about 157 lbs per cyl. If you can bump it from 2400 psi to 2900 psi, then you gain about 1571 lbs per cyl.

This is assuming that you have 2 in cyl with 1 in rod.

Just one of those cyl has a straight line push of 9425 lbs. You lose some from pushing at an angle.
 

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