Broken 300CX

   / Broken 300CX
  • Thread Starter
#11  
Yes, its the same machine. I know its alot trust me. Im not at all disapointed in the machine, I was just looking for ideas on how to fix it. I know the rust looks bad, but really all surface rust. The steel itself is still solid. I think I'm going to cut the whole peice out and weld a new pipe in rather than try to patch it back together.
 
   / Broken 300CX #12  
I think I'm going to cut the whole peice out and weld a new pipe in rather than try to patch it back together.

That's probably what I would do, too. Your tractor replaced the 4310 that
came before it. How is the rest of it holding up? I am especially interested
in how the aluminum components of the rear axle are doing.
 
   / Broken 300CX #13  
Sure does look like it was previously welded. That element supplies torsional strength between the two arms. To overload it and make it fail, they would have had to pick up stuff way too heavy, all on one arm (one corner of the bucket or one pallet fork, etc.). It makes me wonder what the previous owner used it for. It seems that this pipe goes clear through the arm, and is welded to the outside and the inside. You will want to cut all of it out, milling operation I suppose, and completely replace.
 
   / Broken 300CX
  • Thread Starter
#14  
It was used on a dairy farm for gereral task. The machine was very well maintained, but i think it was used to the max if not more. I do not use the machine for much, and very little loader work.
 
   / Broken 300CX #15  
Well if nothing else, that tractor is definitely a testament to the strength of the new JD's compared to the older ones.
 
   / Broken 300CX
  • Thread Starter
#16  
Aside from a few scrathes and a few torn stickers the machine runs awsome. Its loaded, mid pto rear aux, cruise control and I paid 12500 for it. Sure it has some hours on it, but I couldnt pass it up.
 
   / Broken 300CX #17  
Yes, its the same machine. I know its alot trust me. Im not at all disapointed in the machine, I was just looking for ideas on how to fix it. I know the rust looks bad, but really all surface rust. The steel itself is still solid. I think I'm going to cut the whole peice out and weld a new pipe in rather than try to patch it back together.

After all those hours I would splurge and take it to a spa(welding shop) to have a new cross bar welded in. ;)
 
   / Broken 300CX #18  
I'd say by looking at the picture that one can see the factory robotic weld versus the hand done repair weld. That's going to be a bear to fix because of where it broke. Please let us know how you finally ended up fixing it.
 
   / Broken 300CX #19  
Why not go on the jd parts site and price a new one? I mean I wouldn't waste my time trying to repair it. The parts diagram is really good on the jd site.

Matt
 
   / Broken 300CX
  • Thread Starter
#20  
Why not go on the jd parts site and price a new one? I mean I wouldn't waste my time trying to repair it. The parts diagram is really good on the jd site.

Matt

I couldnt find just the cross bar and all it looks to be to me is a piece of 2inch pipe. I'm hoping to get er back up and running this weekend. I have some round bales to move. If anyone with a 300cx can do me a favor and messure the distence from inside arm to inside arm so I can get the proper size? Or is there a better way to get that?
 

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