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Discussion Starter · #1 ·
While towing our hydra swing moco with our puma 180, the hydraulic ram holding the drawbar let go and sent the moco and tractor spearing into the trees sending the driver flying leaving him badly knocked about. The tractor narrowly missed the trees but the moco hit writing it off completely.
I'm just curious if this has happened to many others before or is this just a freak occurrence for us??
 

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Did the ram fail or did the hydraulics move?
Have heard of older magnums doing some weird stuff with the hyd.
Don't know specifics , but gather that spools would operate without command, lock brakes on at speed etc.
 

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Discussion Starter · #9 ·
It's interesting, no the hydraulics on the tractor didn't cause it.
Yes there was no safety pin provided so no it wasn't in!! But if the manufacturer had designed better mounting system for the steering ram it wouldn't have just dropped off when a single 1/2 inch bolt just rattled out.
 

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Ouch, that sounds awful! Hope the guy was okay.

I have seen the nut spin off of the end of shaft on several cylinders doing that same thing on hydra-swing machines. None let got when roading, but usually right after turning to go back down the field.

Tie rod cylinders are not expensive, and not always that well spec'd or built, but normally if you are having trouble with that system, you are being way too hard on the pivot system. Excess speed of swing, ground speed and hitting things are generally the prime causes.

Hope you get it fixed up okay!
 
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