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Had a not so good day using the 1618 PK


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#1 MNGB ONLINE  

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Posted April 13, 2017 - 06:54 PM

Hi all, a week or so ago I was using the PK 1618 with the FEL to move some tree branches and blocks everything was going good then I lifted a larger chuck just a little  to side it closer to the pile mind you I was going very slow and easy actually only moved about 6" when a head a loud snap at first I thought it was a branch but no suddenly the R rear wheel was up in the air I quickly lowered the bucket and the wheels were all back on the ground trouble is the right front wheel was laying flat on the ground no longer attached to the tractor. The right front axle snapped in two, so I checked e bay found one listed that was new so did a buy it now got it Tuesday installed it and the PK is good as new. There is a bad spot in the axle where it broke.

HPIM1534.JPG HPIM1535.JPG HPIM1536.JPG


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#2 MH81 OFFLINE  

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Posted April 13, 2017 - 07:05 PM

Are there signs or previous stress? The bad spot you mention, a casting flaw?
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#3 propane1 ONLINE  

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Posted April 13, 2017 - 07:23 PM

Stress over time. Is this the side that the drag link from the steering box goes to ? If so, then that spindle gets more of the torque from steering than the other side. Just a guess.
Gald ya got it fixed up.

Noel
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#4 MNGB ONLINE  

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Posted April 13, 2017 - 07:51 PM

Hi, MH81, yes the bad spots are /were a stress point, no propane1 its on the other side/spindle..

Not wanting to leave the tractor out in the weeds, I went into the shop removed the R front wheel  from the 1976 1614 and put it on so I could use the tractor till the new axle came, as the Insurance commercial implies its hard to drive around on 3 wheels :wave: 


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#5 glgrumpy OFFLINE  

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Posted April 13, 2017 - 08:01 PM

Either axles or the big tall spindles shafts on the 24's are always breaking or bending with loaders.  There was info about that they had heavier axles and spindles available later, and even on later tractors they would be mounted when loader was ordered with tractor at time of build. Mission had some at one time, not sure if anymore. Larry Goss has had experience with this issue. He is the PK Godfather if you aren't familiar with name.


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#6 classic ONLINE  

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Posted April 13, 2017 - 08:25 PM

GB, those 3/4" axles are not strong enough for use with an FEL. The the inner bearing races wear grooves in the axles under normal use, and that further weakens them. It sort of turns them into a shear pin instead of an axle. I watched this video of a guy modifying his PK FEL front spindles with trailer hubs and stub axles. This is similar to what I would do if I had a PK with an FEL.


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#7 SimplyRad OFFLINE  

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Posted April 14, 2017 - 08:51 AM

Those spindles and hubs are available at http://www.northerntool.com/ .


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#8 chieffan ONLINE  

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Posted April 14, 2017 - 10:10 AM

Never like to hear of bigger items breaking.  I have never thought that a GT is heavy enough for a FEL.  Like sending a boy to do a mans work.  If one has to have a FEL then get at least  sub compact but a compact is better.  Would you pull a semi with a 1/2 T pickup just because the fifth wheel is there and fits?


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#9 MNGB ONLINE  

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Posted April 14, 2017 - 01:19 PM

Never like to hear of bigger items breaking.  I have never thought that a GT is heavy enough for a FEL.  Like sending a boy to do a mans work.  If one has to have a FEL then get at least  sub compact but a compact is better.  Would you pull a semi with a 1/2 T pickup just because the fifth wheel is there and fits?

Hi chieffan, I'm going to disagree with your post, I have seen many large heavy duty farm tractors with broken axle / spindles as well as compact and sub compact tractors, sometimes it abuse and sometimes its a defective part with my axle there was a defect in the metal.


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#10 Austen ONLINE  

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Posted April 16, 2017 - 11:38 PM

 

Never like to hear of bigger items breaking.  I have never thought that a GT is heavy enough for a FEL.  Like sending a boy to do a mans work.  If one has to have a FEL then get at least  sub compact but a compact is better.  Would you pull a semi with a 1/2 T pickup just because the fifth wheel is there and fits?

 

If you don't use the FEL beyond its intended capabilities, it can be useful tool on a GT.


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#11 bill3t OFFLINE  

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Posted April 21, 2017 - 05:17 PM

not a bad fix. i probably would have tried to weld the original back together first.


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#12 MNGB ONLINE  

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Posted April 21, 2017 - 06:17 PM

Hi, welding my axle was not an option it broke where the axle transitions from the axle to the seal bushing which on this axle is a part of the axle not pressed on, so welding in that area would interfere with the wheel bearing seating, plus I have serious doubts that a weld would be strong enough to hold, what I see as a improvement to this type of axle would be to have a radius machined at the junction of the axle and seal ring. Personally I would much rather have the original axle set up vs alternative posted while the axle will be stronger it is going to over stress the spindle which will then bend or break.


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