L3130

   / L3130 #21  
Hydro uses it's own pump.
I had a 7500 on a L2900 kubota and
wouldn't want any smaller hoe.
Now I have a 9000 on my SSL and
the 9000 is much heavier and has
swing cylinders.
A 7500 or 9000 w/o pto kit is
what I would look at.
The 9000 would run slightly slower but
u wouldn't see the difference.
To get the rated flow on pto kits u
have to run tractor at pto speed anyway.
So either way u have to run tractor fast
to dig fast unless u get larger gpm pump
and run at slower speed.
 
   / L3130 #22  
You've pretty much got the right idea. The power steering pump is dedicated to the steering. Hydro has its own pump. I don't see any more efficienies running in the pto version versus the tractor supplied hydraulics. In fact with the pto unit you have a smaller reservoir of hydraulic oil which doesn't dissapate the oils heat as fast. and your running a heavy pump and hoses, that just hang off of the pto shaft. Eventually the occillation and torque puts a lot of wear on the shaft, coupling, and pump bearings. All of this is also exposed to a lot of dirt. The pto unit is a louder. If your going to have the hoe off of your tractor for long periods, you tend to get condensation in the external hydr tank. Going with the tractor supplied unit has reduced a lot of worries as well as some downtime for me.
 
   / L3130 #23  
Equipman,

One thing about the new Kubota loaders is that Kubota has chosen to list the pivot pin rating now instead of the bucket center rating they used on the older loaders. (LA723 lift capacity is 1870 lbs.@ pivot pin and 1587 lbs.@ bucket center, a big difference. A better example is the TL1150 loader on the L48. The lift capacity is 3000 lbs.@ the pivot pin but only 2540 lbs.@ bucket bottom.

The lift capacity can be easily computed by multiplying 2.2 times the model designation number (LA723) for the lift in pounds, approximately. This method isn't perfect, there are some exceptions, like the L35 with a TL720 loader and 1653 lbs. lift capacity. It should have been TL750 not TL720, (2.2 x 750=1650 lbs.) go figure?

If your not aware of the different ratings (500mm forward/Pivot pin/Bucket center/Bucket bottom) and which one they're using, you might be mislead into thinking there has been a larger increase than there really was. Maybe there needs to be a standardized rating by which all manufacturers must adhere, than you could compare oranges to oranges and not oranges to green deeres.

I do agree with most everyone that buying the same brand of loader as the tractor makes a lot of sense for all the previously stated reasons.

Kub
 

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