Kubota B1750 3PH does not lift well: Kubota Review  -- Kubota Tractors Discussion Forum and Review Kubota B1750 3PH does not lift well: Kubota Review -- Kubota Tractors Discussion Forum

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 08-16-2004, 21:39 Post: 93688
fahrwood



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 Kubota B1750 3PH does not lift well

Just bought a 91 kubota B1750D with a bush hog loader and rear blade. I found that i couldn't run both the front loader and the 3pt hitch at the same time and that the hitch wouldn't lift much even when the loader's not in use.
Any suggestions to make this otherwise great little tractor a stump puller? (specs say the loader should hoist 750lbs and the 3pt 400)
jlpspokane@msn.com






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 08-17-2004, 00:09 Post: 93693
jeff r



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 Kubota B1750 3PH does not lift well

You should be able to use the front loader and the 3 point at the same time. But the question I ask is how do you steer the tractor when you got one hand on the 3 point hydro lever and the other hand on the loader lever. Both levers are on the right side?? I used to play drums and I can't figure your trick out. The 400 pound 3 poit lift capacity is low, MY Ariens 14 hp can lift 400 on its Cat 0 3 point lift. Do you have enough hydro fluid in the resevoir????






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 08-17-2004, 06:16 Post: 93696
TomG

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 Kubota B1750 3PH does not lift well

If you aren't sure of the condition of oil, filter and any screens I'd change them.

I've heard of some pumps with built-in proportioning valves but the 3ph and loader won't operate simultaneously in a typical open centered system. However, if the loader valve is a single return type the loader exhaust oil will move the 3ph, but the system carries the combined weight.






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 08-17-2004, 07:42 Post: 93705
beagle

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 Kubota B1750 3PH does not lift well

Certainly start with the fluids and filters, but from there you may want to check the tractor's hydraulic pressure relief. A lot of set ups have the loader tapped at a front hydraulic block, which means the 3-point is working off the loader valve power beyond port. If the tractor system relief valve is not functioning properly, you would notice problems with both systems.






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 08-17-2004, 12:36 Post: 93735
buzst1



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 Kubota B1750 3PH does not lift well

fahrwood,
If you haven't already, try tightening your toplink all the way and recheck the 3 point travel, then with the blade on the ground check to see if the loader functions properly. On many 50 series kubota's, when you set the 3pt to full up it sets off a bypass that prevents the loader from working.
If this doesn't help and you have fluid and clean filters, you probably need a bypass valve adjustment






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 08-17-2004, 14:40 Post: 93745
fahrwood



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 Kubota B1750 3PH does not lift well

Thanks for the insight.... I'll do some looking. I'll take a look and do some fluid and filter changing/cleaning as a first step and move on from there, thanks to your input.
I see you are doing some fabrication work. As soon as i got the tractor, i started thinking of nifty things to add that might help with my rocky soil conditions... like attaching a single ripper tooth in place of the back blade. I'm a semi retired patent agent and love to mess with this kind of stuff, but will have to defer to the experience of guys with more experience to tell me i'm getting way off base. Luckly i have a nephew in law with all the welding equipment to bring some of my more sane ideas to fruition. Thanks again for the help!
Jim






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 08-17-2004, 14:43 Post: 93746
fahrwood



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 Kubota B1750 3PH does not lift well

to all:
I REALLY appreiate all the great suggestions!
I'll look into them all and (next time i get to visit my tractor) will run through all the great tips.
Thanks again!!
Jim






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 09-24-2004, 07:57 Post: 97140
WillieH



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 Kubota B1750 3PH does not lift well

fahrwood -
Does your 3pt lift function at all? Many times if some contamination has passed the filter screen, it will land itself on the proportioning valve poppet and basically reduce the ability to close off when directed to. This valve is located beneath the seat frame, on right side as one sits on seat. Small matter to disassemble and clean out.

This should be a 'Be mindful' type warning to many. As we change our fluids, use a paint strainer or the like as we pour into the tractor's reservoir for refill. The first time I decided NOT to, I ended up with a boatload of small white plastic fragments from the five gallon pail in the system. Guess where it ended up...in and stuck on the 3pt proportioning valve poppets!

Let us know how you made out

-Willie H.






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 04-07-2014, 03:52 Post: 189956
Rodsbod



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 Kubota B1750 3PH does not lift well

Hi and thnx for your expertise. I have the exact problem you are referring to, however, mine only begins to have power issues when it gets fully warmed up or otherwise begins to get hot, I think. When first started it will raise the 3ph no problem at a very low idle. Latter in the day I need to rev it up to 1500 rpm or more to raise the tiller.
Can you advise how or what the problem is?






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 04-07-2014, 09:13 Post: 189957
Rodsbod



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 Kubota B1750 3PH does not lift well

Quote:
Originally Posted by Rodsbod | view 189956
Hi and thnx for your expertise. I have the exact problem you are referring to, however, mine only begins to have power issues when it gets fully warme ...






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Discussion Boards > Active Subjects > Messages as Posted > Kubota Review Forum

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