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  1. #1
    Elite Member tallyho8's Avatar
    Join Date
    Aug 2004
    Posts
    3,280
    Location
    Katrinaville LA west of Westwego east of Ama south of River Ridge north of Boutte, above sea level
    Tractor
    Yanmar 1802, Kubota L4400

    Default L4400 Suspension seat freezes up

    I didn't even know my L4400 had a suspension seat when I bought it new because it was already frozen up. When I read about the seat on TBN I went and worked it up and down and sprayed WD40 on the joints until they loosened and it worked again.

    But every time I lay it up a couple of weeks it freezes back up. I keep it under cover and it has never been in the rain. Does anyone know an easy way to loosen it up and keep it from freezing up again without completely dismantling the seat?
    Happy Trails!
    Dudley

  2. #2
    Super Star Member k0ua's Avatar
    Join Date
    Jun 2009
    Posts
    14,131
    Location
    Branson, Mo.
    Tractor
    Kioti DK35se Hydrostat

    Default Re: L4400 Suspension seat freezes up

    Quote Originally Posted by tallyho8 View Post
    I didn't even know my L4400 had a suspension seat when I bought it new because it was already frozen up. When I read about the seat on TBN I went and worked it up and down and sprayed WD40 on the joints until they loosened and it worked again.

    But every time I lay it up a couple of weeks it freezes back up. I keep it under cover and it has never been in the rain. Does anyone know an easy way to loosen it up and keep it from freezing up again without completely dismantling the seat?
    I can only speak to my experience with the L3400hst I had, When I got the seat freed up the first time, I soaked everything with Fluid Film and never had any more trouble with the seat. Fluid Film stays put, and is almost like a very light grease after a while, and penetrates like a liquid when first applied. I really like it for any kind of protection and lube of machinery. It is way better than WD40, ad WD40 evaporates and does not leave much in the way of protection or lubrication behind.. I use WD40 as a cleaner. and as a moisture displacer. It works well for that.. but in my opinion it is a very poor lube.

    James K0UA
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  3. #3
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,200
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: L4400 Suspension seat freezes up

    My opinion is much the same as James', I try not to use WD as a longterm lubricant. Plain old motor oil works if you can get it in the bushings.

    Sean

  4. #4
    Super Member Gary Fowler's Avatar
    Join Date
    Jun 2008
    Posts
    7,192
    Location
    Bismarck Arkansas
    Tractor
    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: L4400 Suspension seat freezes up

    Almost all penetrants are very poor lubricants. The old acetone and ATF fluid mixture would be my choice for loosening and lubricating. For looser joints, I use the spray white lithium grease for such things as door hinges, locks and sliding components on outside equipment that needs some rust protection and lubrication. If you had a way to get it to the seat components, I would use that or spray some in a container, cut it with some acetone to make it more fluid and brush it on the area or use a pump style oil can (anyone still have one of those?)
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  5. #5
    Super Star Member
    Join Date
    Jul 2011
    Posts
    14,431
    Location
    Yanceyville, North Carolina
    Tractor
    Kubota L4400

    Default Re: L4400 Suspension seat freezes up

    Just a thought. Is the Suspension Adjust Handle sticking or broken? It is located on the back underside of the seat, just above the TopLink. BTW, I have a L4400.
    The PUPIL who does not surpass his Master, fails his Master.

  6. #6
    Veteran Member
    Join Date
    Sep 2004
    Posts
    2,375
    Location
    Kansas, Butler county, Just east of DooDah
    Tractor
    Kubota L4200 GSTCA

    Default Re: L4400 Suspension seat freezes up

    WD40 is not a lubricant, using anything other than WD40 will work Much better.

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