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Hello, I'm working on adding a hydraulic thumb to my BH90 backhoe. In researching I have found that the BH90 and the BH92 appear to use the same control valve (Kubota Part # 7K500-63010 ). since the BH92 has an option for the thumb I'm assuming that the same add on valve assembly (part# 7K523-8510-0) for the BH92 will work on my BH90? my question is does anyone know who manufactures that add on valve, or is there another source besides Kubota? I've looked into adding a diverter valve but think it would be a lot cleaner to do it with the valve assembly option if i can source something more reasonably priced!
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DustyRusty
I don't know who is producing Kubota valves today, but when I had a 2004 BX22 and I needed a valve part, the valve was made by Parker. The local Parker dealer examined the valve and couldn't determine what it was made up of for parts. He said that Kubota requires that Parker make changes that only Kubota parts will work with. In the industry, this is known as a proprietary part and isn't serviced outside of Kubota. I would just buy the Kubota part and keep your life simple.
C
Hi lugbolt - I recently came across your 9/9/2020 post on "BH92 Backhoe leaking on MX5400". I just took delivery yesterday of a L4760 with a BH92 and a third function valve for a grapple. I've got two hours on it and the backhoe is leaking hydraulic fluid from the top of the valves and pooling on the operator floor. I was digging up stumps and moving them with the grapple so I suspect the third function valve was not plumbed correctly, as you mentioned in your post.

I'm wondering if you had any additional information you could share? You mentioned a publication on the Kubota dealer only page and I'd like to be able to point it out to the dealer.

Thanks for your help!
Jason
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lugbolt
yeah they have to install the 3rd function hoses in the correct order. Basically if it's installed incorrectly, it back feeds pressure to the return circuit of the backhoe. When this happens, it knocks the o-rings out of the spool valves and of course leaks.

You may be wise to ask the dealer to look into this-there was a bulletin on it about 2018 I think. I no longer have access to the stuff, maybe you can get North Idaho Wolfman to pull that bulletin up? I think he's still got access. Dealer I worked for cut my access to training and everything before I left-which they aren't' supposed to do...I could have reported that to Kubota and they'd probably get a talkin to by the reps but it was not really worth my time.
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cville97
Thanks! I haven't had a chance yet to check the order of the hydraulic circuit, but I also found a bulletin that says the same thing can happen if the 3pt lever is not in the forward most position or down position of 3pt arms. In PSB-2019-155-R1: L-Series; Leaking Backhoe Valves and Installing Non-Kubota 3rd Function Valves Description, it states "This same symptom of leaking backhoe O-rings can also result from a misadjusted 3pt feedback linkage or a 3pt lever that is not in the forward most position or down position of 3pt arms (also called the 3pt float position)."

I have been running the backhoe with the 3pt lever in the rearward most position or up position of 3pt arms since that was just the position it was in when it was delivered on Monday.
Lil Foot

Summit Hydraulics

Just installed a hydraulic side link for my GrandL4060 from Summit. Came with all needed fittings plus some! Thank you Pictures please. :)
www.orangetractortalks.com www.orangetractortalks.com

Posts #25 & 26
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Need to buy BX2680, spring 2024 to whenever. Clear 2+ acres, 300' gravel driveway, garage/shop. Land Pride Box Blade, Homestead Root Grapple, LP Post Hole Digger, WoodMaxx PTO Chipper,
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DustyRusty
I have been dealing with MB Tractor and find they are very accommodating to the customer. When I ordered a part that had to be transferred from another one of their stores, they kept me apprised of all developments until it arrived. It was supposed to be in inventory at one store, but when they went to get it, it wasn't there, so it had to be ordered. Took an extra few days, but at least I knew when it would arrive. A friend has bought 2 tractors from them and even though the price had gone up from the time it was ordered to the delivery time, they honored the original quote even though there was no depost on the tractor.
R
recently blew out 3 freeze plugs. replaced 2 on side, filled with water. still leaked above transmission. had to remove gas tank to find leak. well, there is another freeze plug. well live and learn.

then filled with water. it took 4 gallons of water. or I might say oil/water. well live and learn.

thinking head gasket or busted block. took of stuff and valve cover. when i took off valve cover there were 3 MORE (I think were freeze plugs, as well). one was laying on top of block, completely out.



roger
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rdgoodman1999
i cannot find anything that tells me what they are. so, I can ask intelligently for a part at dealership.

questions: is this a freeze plug or an internal freeze plug?
can i just tap it back in or get another one?
I will drain and flush everything, of course but is there other little Suprises (like internal freeze plug or the like) I should look for?

bye and bye there WAS rust on surface of that one that was out internal freeze plug but none on others.

thanks in advance for any comments, suggestions or help!
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rdgoodman1999
roger
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Lx2610 tractor
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grayseals734
appreciate some input from all my new friends out there. I recently moved into the new tractor owner category having purchased a 2022 LX2610. I loved my 1987 John Deere 855 compact diesel but after 20 years it is worn out and we decided to move into a new Kubota. My problem is after only 36 hours we have gone through over 2 quarts of hydraulic fluid. The yellow dipstick for the golden hydraulic oil (don't get me started on that!) has been at or below the fill line 4 times already. We have crawled underneath and have not seen any evidence of any leaks. We just had 50 hour service done on it at our Kubota dealer and told him our problem and they could not find any leaks or any evidence that fluid is leaking or mixing in other areas internally where it is not supposed to be. Obviously something is going on that shouldn't be but no one has any idea what it is. wonder if anyone has any experience with this or any ideas where the fluid is disappearing to. Thanks.
B
Hi Lance,

I saw your comment in a post from 2019 about having a bevel gear case that would fit a L185DT. I am trying to find two to fit a L245DT, and know that the two tractors take the same part (35220-43440). Do you still have one or two? I am in Northern California as well, up in Eureka. I know I can get them new, but it they are available used and in good shape, might as well give them new life in an old tractor. While I'm asking, any chance of the front wheels as well?

I figured it's worth a shot, in the event you still have the L245DT or parts.

Thanks,

Bill
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new member
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Tweeter
my L 245 DT tractor has starting issues. starter klicks most of the time when trying to start. If I tap on starter or try it different times the starter works correctly. Purchased new "direct replacement " starter and it did the same thing just clicks. new starter is quite different no nose cone around bendex, acts like bendex is not long enough to engage in flywheel. Installed original starter back in tractor. Did notice a post about adding a relay to correct the problem. Can you send a diagram and what relay was used in this application ?
H
Do you still have a bucket for a AL 402? And if so how much are you looking for? And if not how much did you let it go for? Just curious as I have been searching for one myself.

Thanks
B
I lost $3500 on a land plane that was supposed to ship on 2/1/2024 that I ordered in August of 2023. I have all the supporting emails and original invoice.
T
I have a L2250DT and It is Leaking Engine Oil severely from the back of the Engine, I believe to be the Main Oil Seal leaking. I just bought it and it did have a leak, but after I changed the Oil it now runs out at about a rate of 1 quart per hour. So I need to Replace the Main Oil Seal, I believe. Does anybody have any tips to a remove everything in front and unbolting the engine and moving just the engine forward enough to access the main oil seal? That way I would not have to hoist it up. Right now I don't have a hoist yet.
R
I don't use this forum much so don't know how to tell you that I fixed my LA181 bucket problem this morning. Thank you for reaching out to me. It was a very tiny cotter pin that had broken and the joystick clamp fell off the lever to the bucket that allowed me to curl and uncurl. I am so excited that I am boing out to work with my tractor today. Yeah!!!!
007kubotaguy
Hello.i have a good used cover for your Kubota. You can reach me at 209 -712-4066.
I am in central California.
Thank you Lance Newhall
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Hello Hkb82.
I'd like to thank you for your response to Northwoods regarding his negative comments. I should've known you were a Canadian, even better in Ontario, since that's where I am too. I found his, and a few others', pretty discouraging. I'll be posting an update with more info later today if you're interested.
865KubotaChris
Hi Torch! North Idaho Wolfman said you are the person to see about getting my hands on a hydraulic block diverter for a B 6100. Is that something I can buy from you possibly? I would like to add a hydraulic top link to my little tractor… thanks so much for the help!
H
Hello,

I stumbled across a post you replied to about a Kubota 8540 clutch pack. I see you replaced a lot of them, so I am wondering if you had any experience with the m120 clutch packs. Right now, I am in the process of splitting it but I'm not sure what to use to split it yet or what really I'm getting myself into so any information would be appreciated.
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lugbolt
No, I never did anything larger than the 9540. Shop wasn't big enough. Little tiny mom-and-pop dealership at the time. Sorry, I wish I could be of more help.
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