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  1. W

    4120 dealer installed engine block heater operation

    I have one of these on the 4120 that I've never used because I normally don't use the machine in the winter. Well I need to use it and should I just keep it pulled in all night or do I just pull it in a hour or so before starting?
  2. W

    What size disc for a 4120?

    I have been looking at a used disc for the 4120. I found a 7 1/2' 24-20 with notched fronts and smooth back discs. Would that be a little large for my 4120? I can get into some hard clays around here.
  3. W

    John Deere 495A

    Does any body know how much a John Deere 495A 4 row would weight? Also, does the drawbar fold up? I need to load one on a trailer and would think I wouls need the drawbar folded up to trailer it.
  4. W

    How many pounds air pressure in firestone rears on my 641?

    I just removed the fluid, repaired the damage around the valve stem, and installed a new tube from one of my rims on the 641.It has 14.9x28 Firestones on it. What psi do I need to run them at?
  5. W

    Anyone from Oregon or Washington?

    Posting here because the MW forum seems kinda dead. I am going to be in Portland in the 3rd week in October for a 3 day conference. I was thinking of taking a few extra days and bring the wife along and make a vacation out of it. I have never been that far west and although I'm sure there are...
  6. W

    Cheapest way to get into a toothbar

    I'm looking for a decent cheap way to get a toothbar on the 4120 fel. I could make something if it would save anything and I could find parts I needed.
  7. W

    Using JD 4120 rear remotes for Grapple

    Well I finally got around to finishing the plumbing of our Wildkat 48" econo grapple that we got late last year. I didn't want to go to the expense or trouble of an elec/over hydro setup. But I didn't want to drape lines up and over fenders either. I got all my lines/fittings from Discount...
  8. W

    JD 4120...rear remotes pressure

    I am having issues with my new grapple install. I'm not sure if it's my plumbing or a problem with the rear remote pressures. The grapple opens fine as far as speed. But it closes very slow and with hardly any force. I was thinking of making a pressure gauge up so I could just hook it into...
  9. W

    Quick connect with a retaining groove

    I need some 1/4" quick connects that have a retaining groove for bulkhead mounting. I'm looking for ISO 5675 (ag) type. I need to order a bunch of stuff from discount Hydraulic hose and I'm not sure there quick connects have the retaining groove. Does anyone know where I can buy this type...
  10. W

    Servicing 4120 trans fluid

    OK...I have close to 400 hrs on the 4120. I go to the dealer and get a price on low vis hy-gard and filter. $250 :mur::mur:
  11. W

    Grapple Hyd lines... 1/4" OK?

    Just confirming that 1/4" lines and QC are all that are required for a grapple hookup.
  12. W

    4120 PTO safety override

    The safety overide on my 4120 does not work. The seat switch seems to work OK as when I get off with the PTO engauged the tracor shuts off. But when I follow the procedure to override the safety and keep the thing running when off the seat, the tractor still shuts down. What do I need to check?
  13. W

    JD fittings

    Can someone post a link to the type of JD QC on my 4x20. I'm not sure what type they are called. I need to get a grapple ordered and need to rig up a Elec over HYD setup. Where's the best place to get these parts?
  14. W

    4x20 Delux Brush Guard

    $275..................ya right!!! I know we pay for the green. But nearly 3 Benjamins for this is a joke. Does anybody make a AM one that works with the regular brush guard?
  15. W

    4120 PTO w/o driver on seat

    Well this weekend I borrowed a backhoe attachment from my uncle. We needed to replace a culvert next to our pond. I thought I followed all the procedures in the manual to opperate the pto when off the drivers seat, but it didn't work. I had to keep a log chain on the seat or the 4120 would...
  16. W

    Trailering a JD 4120

    I have a 4120 that I need a trailer for. I mostly haul from farm to farm (about 7 miles). But maybe once a year pull about 80 miles one way to the house. I'm wondering if a #7000 trailer will do. Here's my setup: 1/2 ton Chevy Z71 JD 4120 400X loader W/ bucket or grapple (#400) Rimguard...
  17. W

    4x20 OS Mirror options

    I have a 4120 os that has an AM canopy and a 400x loader that is hardly ever taken off. What optoins do I have for rearview mirrors?
  18. W

    When did the 20 series change to 1 piece rims?

    Our '05 4120 has 2 piece rims. But I noticed that the new one xx20's have 1 piece rims. When did Deere change? And why would they do that?
  19. W

    tough paint

    I've not had very good luck with tsc paint holding up very well to abuse. Are there tougher paints that are available. I'm not looking for $$$ automotive paints.
  20. W

    Anybody run a heavy 6' rotary and HF quick hitch?

    Just wondering about the durability of the HF on the JD MX6. It is a heavy cutter.
  21. W

    MX and the JD 4120

    Does anybody here run a MX6 on a 4120? I'm looking to get a new rotary mower and just can't deside on a 5 or 6.
  22. W

    need help with JD loader

    Could someone help me? I need measurements of the JDQD brackets. Like the top Clips width max and min. And the bottom pins width and the offset from the top clips. And the measurement between the top clips and the bottom pins. The measurments don't have to be exact. Just want something...
  23. W

    Forks  New (to me) pallet forks

    I've been toying with the idea of building a fork attachment for the JD 400x for a while. I ran also this on Craigslist and thought it would save a bunch of time that I don't really have right now. I gave $350 for it. Only thing is this thing is HEAVY. And it will need to be modded to fit...
  24. W

    got a little seat time today

    We put up a new pole barn a year ago last spring. We are just now getting to tearing down the last of the old barns on one of our farms. It's been a long process. We had some bad storms a couple of years ago that took the roofs off a old leantoo machine shed and it exploded a corn crib on...
  25. W

    Chains  Chains and the 400x

    Anybody use the 400x crosstube for storing chains in? If so did you fab end caps?
  26. W

    Would this make a decent food plot planter?

    YouTube - In cab veiw-John Deere 9430 and DB120 48 row planter.
  27. W

    Is this thing worth the effort?

    My buddy gave me this canopy that he used to have on a yanmar. I was thinging about fixing it up and useing it on my JD 4120. What do ya think? It is going to need the "legs" of the mount remade because the ones on there won't work the wider u bolts required on the JD Rops. It's also going...
  28. W

    JD 4120 sending unit

    I need to change out the fuel sending unit in my 4120. Can anybody walk me through how to get at this bugger?
  29. W

    JD green

    Has the color of the green always been the same? I bought some Valsar JD green to do some painting on the bucket of my 400x loader. Just wondering if it's going to match or if it is just for earlier tractors.
  30. W

    4120 hyd. top link

    I'm thinking of adding one. Does the 4x20's require one with a lock valve?
  31. W

    Looking to build forks.....

    I have found a new set of tines that includes top and bottom rails for a good price. They are rated for #2300 and are 36" long. Would these be a good match for my 400x loader? They seem kind of short, but I can't find longer ones that aren't $$$$ .
  32. W

    Source for Deere Quick tach mounts

    Does anybody have a source for deere style quick tach mounts? I'd like to mod a set of forks to fit the front of my deere and would think it would be a lot easier to buy than to fab these parts.
  33. W

    replacing seding unit in a 4000twenty series

    Well, I ordered the sending unit and manual on cd. I planned on getting up to the farm this weekend to get it put in. But the manual didn't arrive at the dealer for some reason. Can anybody walk me through getting at the sending unit?
  34. W

    4120 Technical manual

    I think I need to change out the fuel sending unit and adjust the throddle linkage because it's too tight. This thing is going to be a lot harder top get into than I thought. Where can I get a Technical manual for my 4120?
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