[AT] John Deere 4200 compact tractor power steering Alert

charlie hill charliehill at embarqmail.com
Fri May 31 05:49:18 PDT 2013


I'm not the litigious type but that sounds like a law suit to me!
A part that fails on a relatively new tractor causing a major steering 
malfunction
and the part is non-inspectable and  unserviceable.  Lawyers must be
lining up on that one.

Charlie


-----Original Message----- 
From: Ernst Borchert
Sent: Friday, May 31, 2013 7:59 AM
To: 'Antique tractor email discussion group'
Subject: [AT] John Deere 4200 compact tractor power steering Alert

My neighbor has a 2000 John Deere 4200 tractor with loader. The other day
while driving it on 226 in W.NC the steering quit and turned the wheels
completely to the left and sent him across the highway into the other side
of the road. It was lucky that no traffic was coming and there was no ditch
on the side of the road. The steering on these tractors have no mechanical
connection between the steering wheel and the front wheels, but are
controlled by hydraulic pressure diverted to a cylinder connected to the
front wheels. The bolt that holds the piston to the rod in the cylinder came
unscrewed due to vibration, thus forcing the wheels to the left. The
cylinder is of welded construction so you can not check the tightness of the
bolt and you can not repair the cylinder. The replacement cylinder is
repairable. The thing is that if the cylinder fails at road speed or in a
difficult situation the results can be fatal. Be careful out there,


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