What could have broke this? 3 pt lift housing

[winston1]

I agree with California's idea of repairing existing holes to whatever extent is possible. Also, looking at pictures of rear end and 3 point housing I can't tell if there is possibly enough meat to drill and tap new holes in between existing ones. Looks like that would work on the 3 point housing but am sort of doubting there is enough meat on the axle housing. Can't really tell from the pictures.

 

[jonyyuma]

I vote for tapping deeper and putting in long studs. Those helicoils should have had stud lock on them, to keep from pulling out. But I would really inspect for further cracking on that housing, before droping a bunch of money.Jy.

 

[Kyle_in_Tex]

It's obvious that this tractor was put into a h3ll of a bind and the repairs look to be less than engineered. Do you have any history of the tractor?

As far the tranny case, go to mscdirect.com and look up keylocking thread repair inserts. It will cost a bit to get everything you need including the tool to knock the "tangs" down but it will work if you have enough metal to work with.

I hope you got this tractor cheap.

 

[SPYDERLK]

All good info above. Im pretty sure a very heavy implement and a bounce did that. The pumped hydraulic pressure would not be enuf - a relief valve limits that. But once lifted it seems most systems do not have any relief on the hold pressure since its on the output side of the control valve. Pressure goes sky hi in a bump. We broke the internal arm controling the rocker shaft that way on a Kubota. It had Pats QC that extend the lift arms, contributing to leverage.

Only you are going to know what fix is possible to the transmission housing. I like the idea of going deeper if you can. If you decide to do that it is important to get the hole dead straight 90 and guide the tap so it starts straight. A little crooked just increases stress and that could easily be a telling factor for success. Good luck.
larry

 

[normde2001]

This story just gets worser and worser. If it were mine, I would stop in my tracks, sell it off for parts, (too late to return for a refund), and buy another tractor.

 

[Gary Sweat]

I would think the dealers that have parts tractors sitting around would have a complete axle housing. I don't think there is a lot of demand for them so there should be more than a few around.

 

[rScotty]

It looks to me like the damage was done by using a 3pt backhoe on the tractor. I cannot visualize any way that an implement could have caused the damage. A 3pt should be able to handle any standard implement that it can lift, including surge. But 3pt backhoes are a bastard rig and famous for tearing up the back of tractors. They have their uses, but one has to be very careful not to break the 3pt.

Not sure what I would do to fix the attachment points. But whatever the solution is, I think that it will involve putting permanent studs into the rear axle housing rather than trying to patch up the original reusable threads there. Think about either either improving the existing threads for permanent studs, or you may have to weld or pin the studs into the axle housing. Each hole will probably take an individual approach, but I think it should be a decent repair and not too hard to do as long as having permanent studs will still allow the replacement 3 pt flange to be fitted up. So the first thing to do is to determine if the flange can be mounted over studs in the axle. That will require either some thought and visualization or maybe even making up some simple studs and see if the 3pt housing can be installed over them. The problem to look for is that sometimes a housing needs a bit of a sideways motion to get it into position, and if that is the case the whole stud idea it may need some re-thinking.

No matter how you do it, I don't think you have a thing to lose by trying to mount a replacement new 3pt flange. If you can get it mounted up good and solid I bet it will last.
best of luck, rScotty

 

[SPYDERLK]

It looks to me like the damage was done by using a 3pt backhoe on the tractor. I cannot visualize any way that an implement could have caused the damage. [[A 3pt should be able to handle any standard implement that it can lift, including surge.]] But 3pt backhoes are a bastard rig and famous for tearing up the back of tractors. They have their uses, but one has to be very careful not to break the 3pt.
rScotty

Good possibility on the B/H, however no on the implement issue. I have experienced failure from a heavy implement. See post #24.
larry

 

[winston1]

Good possibility on the B/H, however no on the implement issue. I have experienced failure from a heavy implement. See post #24.
larry

Spyderlk, my age and ignorance is showing:ashamed:, how do I get to post #24? I can't figure it out.

 

[normde2001]

Spyderlk, my age and ignorance is showing:ashamed:, how do I get to post #24? I can't figure it out.

Opposite the date, at the top of each post. This is # 30.