John Deere 445 Steering Cylinder
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Thread: John Deere 445 Steering Cylinder

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    John Deere 445 Steering Cylinder

    Does anyone know the number of seals, part numbers, etc. to rebuild my cylinder? I plan to cut it open, reseal, then weld.



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    Quote Originally Posted by Gboyet93 View Post
    Does anyone know the number of seals, part numbers, etc. to rebuild my cylinder? I plan to cut it open, reseal, then weld.



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    I'm thinking Deere only sells that part as a complete assembly. A hydraulic shop might have them separately.
    Good luck
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    Here is where I plan to cut the cylinder.


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    Well, I might have trashed this Cylinder... I started cutting in the correct place, but seconded guessed myself, and cut the cylinder about 1/4 inch too low. The problem is the piston will rub across the welded spot, and the alignment would need to be 100% perfect or it would bend. The only other option I know of, is to shorten the Cylinder by 1/4 inch, and then my weld will not effect alignment or rub against the seal. Iím not sure how much my turning radius will be effected. Hahah. Seals for the cylinder will run you about $20 dollars, and about $50 if you want a hydraulic shop to install them. Going forward, I will use a band saw to cut the exact location. I will repair my next cylinder to perfection. Ha... Maybe I can pick one up cheap.


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    i'm thinking that Sulley Bear said that jd had just gotten his in, from being back ordered for a long time.
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    Bummer. I hate to see that but I think your right. Hopefully thought you will help someone else in the future who now has seen the inside of the cylinder.
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    Quote Originally Posted by BigJim55 View Post
    i'm thinking that Sulley Bear said that jd had just gotten his in, from being back ordered for a long time.
    I remember that back order horror story and was going to mention it. However I couldn't remember who it was that had the problem.

    It would have surly bankrupt JD to use a screw on cap to open the cylinder. lol
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    2014 X540 with HDAP tires, 54" deck, brush guard, arm rests and cargo bag.
    JD 48" plow with angle from seat kit & heavy duty skid shoes.
    4 suitcase weights and chains.
    JD tow behind spreader.
    JD 42" lawn sweeper.
    JD 10P cart.
    JD JS61 RWD walk behind mower.
    Stihl KM110 power head with pole saw, shaft extension, power scythe, curved shaft edger, 2 straight shaft cutters (string & blade).
    Stihl MS180-CBE 16" saw.
    Stihl SH86C hand held blower vac.

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    Well, I shortened the cylinder so the weld will not rub the piston. I am headed to a professional welding shop to get their opinion. I will post pictures shortly.


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    Well, I shortened the cylinder so the weld will not rub the piston. I am headed to a professional welding shop to get their opinion. I will post pictures shortly. I will be super happy if I am able to pull this off. The Hydraulic shop said that shortening the cylinder was the only option they could think of also.


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    Iím going to get my feeling hurt if it doesnít work. Haha. I lined the piston and the cylinder the best I could, and tacked it into place. I then pulled the piston to the far end of the cylinder. I took my time welding and rotating to minimize heat.


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