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Sad story of Kubota TnT

   / Sad story of Kubota TnT #21  
Hydraulic Top & Tilt Cylinders, usually abbreviated to TnT. Replaces your 3pt toplink & one of the side links so you can adjust them from your seat. The greatest tractor accessory since sliced bread. There are several photos of them previously in the thread.

I like sliced bread, I seen your previous post and the leaking cylinders, but how does it slice the bread with what implement, some sort of road grader maybe? Is this the only way to get down pressure on the 3pt hitch?
 
   / Sad story of Kubota TnT #22  
Fallon, those are not Kubota cylinders. In fact, they look identical to the A&I cylinders I bought for my L3200 (about $180 for the top link and $120 for the side link -- mine both were "new old stock" made in the USA from the 1990s, but I understand new ones are cheapo Chinese crap). They have been fine on my L3200 with no leaks or issues, but I sure wouldn't want to be sold those for an L4060 and told they were from Kubota. I'd wager you paid a lot more too. I'd send those back to the dealer and tell him you want OEM, not budget crap.

If they are the same cylinders I think they are, then the stroke is probably not nearly enough for your L4060, never mind that they are too small in general.
 
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   / Sad story of Kubota TnT #23  
Here's a pic of my A&I side link -- I think it looks just like yours:

IMG_6905.jpg

The OEM Kubota hydraulic side link has an angled clevis on the bottom (just like the original turnbuckle side link) which these generic side links do not. That's just one giveaway. Lack of Kubota gray paint is another.

The other thing I don't like about your setup is the total redneck-rig of fittings they set you up with. The cylinders have ORB fittings, so when I ordered hoses, I had ORB fittings crimped onto the hose ends. Much cleaner install that way and fits better and more compactly. Why they would give you JIC fittings on the hoses and then elbow adapters is beyond me -- that's not custom either -- that's an off-the-shelf hack. Fine in terms of function, but not something I'd expect from an OEM kit.

I think the dealer just put together the most convenient generic "kit" from standard parts they could get their hands on. You could do that for a lot less money if that's what you really wanted, but it sounds like you were expecting something much better and you probably paid for something better. I'd ask for my money back and tell the dealer they need to be more professional.
 
   / Sad story of Kubota TnT
  • Thread Starter
#24  
So I chatted with the service guy on the phone on my way home. He said they had an extra cylinder & swapped it out & mentioned check valves as a possible fix for the sidelink leak down. Not an option as I explicitly got the float spools just for TnT as I loved on my L3200's toplink. Will worry about that next after things stop leaking externally. I assume they ordered a few when they ordered mine as I heard them mention that a while back & why else would I have not gotten it sooner if they had it on hand. Fired it up, ran it in & out a few times...

20170213_194148.jpg

Sidelink fitting was still seeping a hair too. I unpluged the sidelink QDs & will check it in the morning. Will check to see if the bottom clevis is tweaked like the stock fixed ones are. I thought it was. The dealer says they will take care of me & so far they have. The lack of QA is kind of by whoever the manufacturer is, as well as the dealer is depressing though. Wouldn't suprise me one bit if those cylinders weren't OEM Kubota. I think FitRite will come up heavily in my conversation with them tomorrow. If that flies, it won't be a speedy fix, but at least I know they will be done right by somebody with pride in their work.
 
   / Sad story of Kubota TnT #25  
I had a similar issue with the OEM T&T kit on my MX5800. I had a few minor leaks but the main issues were the fitment and rapid cylinder bleed down. The day the dealer delivered the tractor I raised the 3 point hitch and promptly sheared off one of the side mounted ports on the tilt cylinder. It turned out to be the wrong T&T kit. After much discussion with the dealer, I finally got one that fit reasonably well. See this thread for all the details: http://www.tractorbynet.com/forums/...ng/358214-top-tilt-kit-mx5800.html?highlight=

The new OEM T&T kit still leaks a bit and still suffers from the same rapid bleed down problem. They are not the same cylinders as the OP's though. Pics of the cylinders are available in the above thread.

It's a shame Kubota can't provide a quality product with these kits. I had Brian at Fit Rite make up a T&T for my L3430 which worked perfectly. Unfortunately, it won't fit the MX series tractors. I'm thinking seriously of having Fit Rite make up a kit for the MX. Due to the rapid bleed down, I just remove the tilt cylinder when I don't need it. The bleed down on the top cylinder is easier to deal with.
 
   / Sad story of Kubota TnT #26  
So I chatted with the service guy on the phone on my way home. He said they had an extra cylinder & swapped it out & mentioned check valves as a possible fix for the sidelink leak down. Not an option as I explicitly got the float spools just for TnT as I loved on my L3200's toplink. Will worry about that next after things stop leaking externally. I assume they ordered a few when they ordered mine as I heard them mention that a while back & why else would I have not gotten it sooner if they had it on hand. Fired it up, ran it in & out a few times...

View attachment 498723

Sidelink fitting was still seeping a hair too. I unpluged the sidelink QDs & will check it in the morning. Will check to see if the bottom clevis is tweaked like the stock fixed ones are. I thought it was. The dealer says they will take care of me & so far they have. The lack of QA is kind of by whoever the manufacturer is, as well as the dealer is depressing though. Wouldn't suprise me one bit if those cylinders weren't OEM Kubota. I think FitRite will come up heavily in my conversation with them tomorrow. If that flies, it won't be a speedy fix, but at least I know they will be done right by somebody with pride in their work.

Have you considered doing this yourself? It's really not hard at all. The most difficult part would be sourcing good quality cylinders you have confidence in, that have the proper stroke and range, and the rest is a combination of off the shelf parts, custom hoses (discount hydraulic hose is great for that) and some welding. I think this is fairly attainable as a DIY project for anyone with decent welding and fab skills.

If there is any concern about the welding aspect, I bet a local shop could do that. Before I was setup to make good welds at home, I used a local shop. When I was in there once getting a hitch part welded, I saw a farmer get a clevis welded to a cylinder for $20 (their minimum charge) and they did a good job and knew how to keep the parts cool while welding. He was in and out in about 15 minutes.
 
   / Sad story of Kubota TnT
  • Thread Starter
#27  
Have you considered doing this yourself? It's really not hard at all. The most difficult part would be sourcing good quality cylinders you have confidence in, that have the proper stroke and range, and the rest is a combination of off the shelf parts, custom hoses (discount hydraulic hose is great for that) and some welding. I think this is fairly attainable as a DIY project for anyone with decent welding and fab skills.

If there is any concern about the welding aspect, I bet a local shop could do that. Before I was setup to make good welds at home, I used a local shop. When I was in there once getting a hitch part welded, I saw a farmer get a clevis welded to a cylinder for $20 (their minimum charge) and they did a good job and knew how to keep the parts cool while welding. He was in and out in about 15 minutes.
I got all the valves, plumbing & cylinders for my L3200 from FitRite. Did the install myself & Engineering with some assistance from Brian. I was happy with everything except for my hose routing. I didn't want to mess with trying to put valves in a cabbed machine, so just let Kubota do it on my new machine. Regretting that decision a bit now.

No significant leak down on the side link overnight despite it still dripping a bit... indicates a bad valve.

Unscrewed my manual toplink & set it on the hydraulic one. Looks like I'm missing 4" at least.

20170214_082152.jpg

Clevis on the side link is straight, so probably not OEM as others have noted.

20170214_082200.jpg

Dealer was asking how much my impliment weighed, presumably thinking I was overtaxing it. 60 gallons = 8 cubic feet & dirt is 70-100lbs per cf. Add a hundred lbs for the tank & you don't even make 1000lbs. 3pt is rated to 2750lbs @24" & the back of my ballast tank isn't even that far back.
 
   / Sad story of Kubota TnT
  • Thread Starter
#28  
Dealer has some new bigger & longer cylinders on order from somewhere else. Not going to address the leak down issue that is probably something with the valve until the cylinders oozing fluid externally is sorted. But they agree it's probably a probably a valve.

I don't think it will be coming from FitRite due to lead times, but you might be hearing from them for some future orders.
 
   / Sad story of Kubota TnT #29  
The last Kubota dealer that contacted me(last week) for a set said that Kubota was now saying May before any top & tilt sets. There have been problems of one kind or another now for well over a year. :(

I just got back from the World AG Expo in Tulare California, tried to get some sort of an answer from Kubota, talked to 5 different guys, every single person said that I would need to talk to someone else. Honestly a couple were most likely Kubota dealers and 3 were for sure from Kubota corporate, none had a clue. I gave up, I was in the Kubota area for a couple of hours getting up dated measurements, no one made any effort to talk to me.

Plus I would like to add, the Grand Ls do not have the side link clevis at an angle, the top ball swivel is, but not the clevis. The STD Ls have the clevis at an angle and not the ball swivel.

Just so that when you are looking at the replacements you don't think that something is wrong if it is not. ;)
 
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   / Sad story of Kubota TnT #30  
I gave up, I was in the Kubota area for a couple of hours getting up dated measurements, no one made any effort to talk to me.

That sounds like their tradeshow effort is completely dysfunctional.
 
   / Sad story of Kubota TnT #31  
Well, any trade shows that I ever attended (as a guest) were intended for dealers, not end users.
The representatives at their respective displays weren't necessarily the most knowledgeable in all aspects of their company's products.
 
   / Sad story of Kubota TnT
  • Thread Starter
#32  
Plus I would like to add, the Grand Ls do not have the side link clevis at an angle, the top ball swivel is, but not the clevis. The STD Ls have the clevis at an angle and not the ball swivel.

Just so that when you are looking at the replacements you don't think that something is wrong if it is not. ;)

Noted. They fit, so wasn't upset about that, unlike the leaking & not being the right size issues.

Will have to see how their promised dates hold up. The service guy said they were expecting more in from Illinois I think it was within a week. Given how long I've waited already & everything I hear about getting TnT gear from anywhere I'm not holding my breath.

I should have gone with FitRite, but I just wanted to have it all wrapped into 1 transaction & let the dealer do all the work this go around. Live & learn I guess.
 
   / Sad story of Kubota TnT #33  
Well, any trade shows that I ever attended (as a guest) were intended for dealers, not end users.
The representatives at their respective displays weren't necessarily the most knowledgeable in all aspects of their company's products.

This particular AG show is intended for everyone. Dealers are typically half if not more of the people staffing the booths-areas of display. This entire show is intended to be seen by the end user (retail), not dealers.

Non the less, you would think that corporate would have an idea of an on going problem-concern. But I suppose in the larger picture, the top & tilt sets are a miniscule part of the business.
 
   / Sad story of Kubota TnT
  • Thread Starter
#34  
Well they brought out some Cat 2 cylinders a week or 2 ago... They didn't leak, but the top cylinder was the exact same length as the Cat 1. The rod was 4-6" longer than the cylinder & ended up being 4" or so to short compared to the max extended length of the stock unit. The tilt cylinder rod was also about 4" longer than the cylinder. Because of that if I extended the manual link all the way down I could get it level, but it would only tilt right to level, not right to left. The clevis on that cylinder was also about a foot long & ended up hanging 8" or so lower than everything else on the tractor.

Talked to the sales guy today & they are going to be refunding the TnT price. I'll be calling Brian at Fit Rite shortly.

Current setup showing top extended all the way out & barely level along with the tilt all the way "left" & barely level.
20170220_115446.jpg
 
   / Sad story of Kubota TnT
  • Thread Starter
#35  
Oh, and the tilt cylinder didn't move appreciatively overnight when I left my ballast tank/box hanging the other night. Swapped hoses & need to head out there to make sure the other remote gives similar results. Looks like my previous sagging & creep was because of the cylinders themselves (not surprising as I could see it leaking, but the amount of fluid I saw didn't correlate to that much movement).
 
   / Sad story of Kubota TnT #36  
Well they brought out some Cat 2 cylinders a week or 2 ago... They didn't leak, but the top cylinder was the exact same length as the Cat 1. The rod was 4-6" longer than the cylinder & ended up being 4" or so to short compared to the max extended length of the stock unit. The tilt cylinder rod was also about 4" longer than the cylinder. Because of that if I extended the manual link all the way down I could get it level, but it would only tilt right to level, not right to left. The clevis on that cylinder was also about a foot long & ended up hanging 8" or so lower than everything else on the tractor.

Talked to the sales guy today & they are going to be refunding the TnT price. I'll be calling Brian at Fit Rite shortly.

Current setup showing top extended all the way out & barely level along with the tilt all the way "left" & barely level.
View attachment 500427

Looks like the side link cylinder is a "Universal" built unit for more than one tractor. Put the bolt through the bottom hole instead of the top one and see how far down you can then push the right side. Another trick to use is to place the manual adjustable side link adjuster on the left side of the tractor instead of the fixed unit. Adjust the right side side link with the hydraulic cylinder on it to a level position when fully retracted position by placing a level lengthwise on the side link and using placement of the attaching bolt trough the hole on the bottom of the cylinder to connect to the tractor side link to accomplish this.

Then place the level across the side link and use the manual adjustable side link retainer on the left side link to achieve a level "Zero" position for when you are in a middle range position on the position control. Most top link brackets on the tractor also have three holes for attaching the end of the top link to the tractor. Try moving the end of the top link up and down through the hoes to see if this will correct your lack of sufficient length.
 
   / Sad story of Kubota TnT #37  
Following with interest as I am thinking of adding remotes and TnT in the future. Too many projects, but always looking for great ideas.
 
   / Sad story of Kubota TnT #38  
I had Fit Rite make up a TnT kit for my L3430 2 seasons ago. I added 2 OEM rear remotes using a prince FEL valve mounted to the ROPS over the right fender. No tractor modifications were required. The setup worked so well, it spoiled me.

I had the dealer install an "OEM" TnT on my MX5800 and I've had nothing but trouble with it. Leaks, bleed down, clearance issues etc. I took the TnT kit off the L3430 when I traded it hoping to be able to modify the kit to fit the MX. I soon discovered it wasn't practical. I'll likely list the L3430 TnT kit and remotes in the classifieds or eBay and use the $$ toward a Fit Rite kit for the MX. Live and learn.
 

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