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What ever works is great !!! The donor truck had a straight control valve , so I had to adapt to overcome the challenge !!!! For the amount invested mine works great so far !!!! Easy to adapt no major effort basic bolt together . As I said it may not be the best but hard to beat for $75.00...

The reason I modified the steering arm is that the Garrison Control Valve must run in a parallel line with the ground. The OEM M35a2 drag link is some what S shaped to make up the difference in height in pittman arm and steering arm. With the power assist control valve and hydraulic cylinder...

Did all of the installation myself. Had the steering arm welded by a nuke certified welder at work. The control valve just senses the direction you are trying to turn the wheels and sends fluid to that side of the cylinder . Very simple in operation, easy to rebuild just 4 o rings in the...

Thanks for the thoughts . Another set of eyes always is helpful . Steering arm is made of froged steel. It was welded and xrayed for penetration by nuke certified welder . It was raised 3 inches with 1x3 bar stock and 3/4 inch thick gusset, also uses 5 ton end to be able to use 1 1/2 inch ball...

Yea,my wife loves it !!! Same just uses hydro instead of air. Steers 100X eaiser . This type of steering was used on GMC or Chevrolet around 1969 40-60 series. let me know if I can be of any help . I found this on a cab over design fire truck 1982 vintage .

Here are the pictures ,Pm if i can be of any help !!! Have a great and safe day,Dave :beer:

I used hydro assist from a used fire truck . Retains the M35a2 steering box, control valve in place of the drag link . 5 ton multi pump, 2 1/2 inch cylinder to turn the wheels. Works great !!! If for some strange reason you loose hydro pump you still have manual steering . This system was...