4500 steering - replace wholesale or fix?

Ecnerwal

Member
The power steering on my 4500 has been broken for years - I haven't been using the tractor that much, partly due to other things to do, partly due to no power steering, and it has resisted my efforts to repair it (pin for cylinder just won't come out, and I still haven't tried the exciting "burning it out" method you might find in an old post here).

Despite babying it along (no loader use, and using the loader to pick up the front to turn the wheels) the manual steering is now dead as well. I haven't gotten that (it's the gearbox at the base of the steering column that's not working on that) apart to see what's wrong yet, but I'm throughly tempted to chuck the whole weak business for something that works better - thinking, if I can find the parts, that the fully hydraulic PS seen on the 5500 and 550 in the repair manuals looks like someone at Ford figured out that this system stank and changed it. Presumably there may also be later tractors with steering that could transfer.

Another thought (since I'm where VT,MA and NY intersect, and have not seen much for tractor junkyards locally) is to go get a heavy duty 2WD truck axle and power steering box at the junkyard and bodge (perhaps by welding the truck axle to the 4500 axle) it on there, particularly since one the of the spindle mount castings on the 4500 axle is also pre-boogered (one of many things I didn't know to look for when I bought this thing). An entire 4500 in better shape with a blown motor or crapped out select-o-speed might be another option, but again, not too many 4500's to be found, at least when I go looking for them. I have a good diesel and 6/4 transmission on this one, and a lot of badly worn bushings from a previous owner that didn't believe in using a grease gun.

Of course, nothing much likes to come apart when it should either, so swapping major parts like that would be a frustrating experience, but having no steering at all is pretty frustrating & useless too.

This is a 1969 4500 with 740 loader and 753 (13 ft) backhoe.
 
The 4500 Power steering, a nice setup?

Having been fighting with the inaccessible location and overstressed parts that fail commonly (ie, I'm hardly the first person to have the rod-end snap off the steering cylinder) I'm pretty near to ready to chuck it. It asks far too much of that cylinder and the pot-metal rod-end on it (a couple hundred dollars just for a new rod and rod end, though my intent has always been to see if I could weld the thing if I could ever get the cylinder out). The taper pin from the cylinder to the link has been resisting kroil, PB blaster, heat and hammering for about 6 years now, off and on, without ever showing a sign of budging.

Given the recent additional failure of the manual steering gear (several hundred dollars alone the only place I've even found one), barring that being some easy fix (probably not), I'd be very interested in something like your "component only - two cylinders with pump" setup, only without the pump, since I already have a dedicated PS pump on the 4500, and that seems to work fine. I'll be utterly amazed if I can get the existing steering gear out without the steering wheel self-destructing - the power of rust to hold things together is amazing at times, and as far as I can tell I'm the first person to know what anti-seize is that has ever worked on this 40 year old tractor. So replacing it wholesale looks good to me right now, especially if I can put on external, accessible cylinders.

I guess I'll need to call anyway to find out what price range any of this is from you, since your website is not very forthcoming about prices.

The power steering can, of course, be made more accessible, but it requires extensive dissassembly of the tractor nose, and that is not something that's the least bit fun on a 4500, with 1/4" steel plate instead of "tin" for the nose.
 
I just switched ours from that style to the power integral steering gear off of a 6y 5000. I removed the front cyl, and just locked the two adjusting limit screws down on the steering arm. And rerouted the PS line to the steering gear with brake line. best money I ever spent on the old girl. email open on modern view for more details.
 
Ecnerwal. sounds like you are predetermined to get rid of your unit. go ahead and list it for sale, find something else, and quit being so negative.
 
I have no current plans to sell the unit. I do have plans to fix the steering, and in doing that I'm more likely than not to replace the steering with better designed steering if that is at all feasible. The original design steering has been a wee bit frustrating and tending to promote negativity when attempting to work on it.
 
I've got a 4400 with the same steering setup. Mine works pretty good for know. It sounds like forddoc hit on the best solution. Do what Ford did on the 5000 in '70. Loose that cylinder in the bolster and go with the integral power steering gear. I wonder if it is a direct bolt-in? Does the steering wheel sit at the same height? Forddoc, willing to share anymore details?

The steering gear for the 4400/4500 is part number D7NN3503E and the pre-'70 steering gear for the 5000 is C5NN3503E so there must be some difference between the two. The integral power steering gear for the '70 & later 5000 is E1NN3N503BC and it's still available from NH - $1852 from Messicks. It should be available from a salvage yard for quite a bit less.
 
Thanks for that info. forddoc. I have the same problems with my 4500, and I"m glad to hear that somebody has done what you"ve done to improve one. If I can figure out how to get to modern view, you"ll be hearing from me.
Lawrence,
When I"ve posted questions about my 4500, some responses I received were critical of me for being negative. I know what you are dealing with and how hard it is to get to that cylinder end. The 4500 is a very good tractor with a steering set-up that was ill-conceived.
Butch
 
Modern view.... In the upper right hand corner of the page. under the thick red line. Click on [i:88c450d0bc]modern view[/i:88c450d0bc]

I know, it's tough, Oh! you have to put the chainsaw down first...sl :D
 
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