3 point

I there any way that I can use my draw bar to fabricate a 3 pt hitch for my D-17 with out buying the adapter thing that I cant seem to find, it seems like with all the stuff at the old farm and fleet store that I would be able to conjour somethimg up, has anyomne done this in the past?

Well, it ain't exactly what you're looking for, but it'll give 'ya an idea of what I did...

http://www.facebook.com/album.php?aid=40000&id=1130541620&l=51151ccc43

My only criticism of the design would be the top link pin hole location may need to be lower down....like maybe 4 to 6 inches?? there could come a time when you can't pick something up high enough and a lower pin hole location will help tilt the implement up higher......other than that it looks well designed and rugged. What do you have for sway control??

Thanks Dave

This is how I made one of mine,I've done several,easy to build.

Here are 3 pics of a 3PH on a D-17 at a local dealership.

Great pics to all thanks much now I have a lot of ideas, now I can sit on the ground behind my D-17 and think how I wannt to go

You're right, Gary, and I considered making the cross-bar 'float', and having a drawbar going from the crossbar, so that draft load goes to the snap-coupler, not so much for draft control, but so that draft forces didn't shear off those four big bolts... but as I thought about it more, I decided that if I were running ground-engaging implements, I would probably sooner get some Allis snap-coupler imps, and just yank the lift arms' n stuff and get it all out of the way... and use the snap-coupler implements as they were originally intended.

I use my 3ph most often for either a lifting boom, or a rear blade, box blade, or a trailer-hitch attachment...  One of these days I'll probably make a doohicky that'll pick up and carry a pallet-load of bricks.  I'm currently getting ready to install a live hydraulics system... at that point, I'll be mounting a little backhoe attachment that is lifted into position using the 3-point lower lift arms... it's the backhoe attachment that became my motivation for putting a 3-point on in the first place.

Ah, and notice-  Ohio Bob's cross-bar, like mine, is spaced out much wider than the others shown.  It has some effect on how implements pull, but having 'em spaced wide, with straighter arms, means the spherical joints are in the middle of their swing-range.


Edited by DaveKamp - 24 Oct 2010 at 8:59pm

Yeah, I looked it over already, and I DO have the proper holes for the coupler, just haven't gotten a round-tuit re. yanking the radiator to install the coupler and shaft.  I'll be using part of the bracketry, and have started a new bracket that'll not only hold the pump, it'll move the tank to one siderail, and make attachment points for a snowblade, additional lights, and probably a few other things...  I'll post those pix later.

Both the snap hitch system AND the 3-point will fully lift the implement, hence they both put all the weight on the rear wheels.  The Traction Booster system allows the tractor to adjust implement depth based on draft load.  It is a comparative system to other draft/depth control systems of the time.

Here's a description of the Ferguson:
http://www.ytmag.com/articles/artint261.htm

The Traction Booster system incorporates lift arm/implement hydraulic output with a sensing valve coupled to the drawbar snap coupler bell located under the transmission... tension on the drawbar modulates the lift arms to keep steady progress through varying soil.

Since my lower arms bear draft load directly to the transaxle, and don't use the coupler, changing draft load on the 3-point does NOT call the traction-booster into action.

To make a 3-point that DOES, the lower lift arm bracket needs to 'float'.  One way I could have done it, is to make a rigid bracket, from which that crossbar is attached by pins or bolts through slotted holes... probably need no more than an inch of travel...  on the front of the crossbar, would be a fixture that rigidly pins to either the original drawbar, or to a drawbar that's been cut down specifically for connection to the 3-point bracket.

In doing so, two things would result:

1) draft loads on the 3-point arms would be transferred to the snap-coupler bell, allowing the traction-booster feedback to function.

2) draft loads would not be applied to the four bolts where I connected my lower bracket.

The downside, is that the lower bracket would slop around a little bit.

Someday, I very well may take the time to do this... I didn't do it at the time because I needed 3-point lifting capability on fairly short notice, and didn't have immediate need for the traction booster system.

Hi Dave what do you think it would cost me to have someone weld me up something like that mainly the top piece that goes under the seat, I just got this tractor and need toys for it, I could make a template out of cardboard or masonite but I dont have the meatl, devil's toothpick or a welder I do have a son-in-law that is at a local college is a welding class and he is looking for stuff to do, how thick is that steel you used, I can usually fabricate i am just lacking in some of the tools