Adirondack case guy said: (quoted from post at 15:06:23 03/11/11) Your out of tune with tractor tech. ALL farm related tractors with 3pt. have weight transfer systems. Todays are controlled by potentiometers, rather than springs and mechanical linkages. These systems control sensitivity and draft to get the hitch to react in a suitable manor. The depth portion is set manually and most modern systems cycle at least 60 times a min. lifting and lowering the implement hooked to the lower draft arms. Doesn't need to be 3 point mounted. Go sit in a new tractor and you will see several knobs and toggles devoted to controlling the draft/depth/sensitivity, on it.
Adirondack case guy:
I'm not completely in the dark on the post 1985 stuff, just not hands on experienced (lit with a cheap flashlight?). After all I'm posting on a site called Yesterday's tractors...
I know they have push button hitch/hydraulic controls, some videogame-like shifting, auto shift up/down based on load, and fancy one button headland program automation. I didn't make the leap that they could also control trailing implement draft (load).
Just to be clear, you are saying that a "new" tractor pulling an appropriate sized regular old design pull behind disk harrow (attached with one pin to the drawbar, and lifted with a single remote cylinder) can sense driveline load changes and lift/lower the disk's cylinder to maintain load and still cut deep? It would sure beat hitting the remote spool to get out of a tough spot where you're spinning wheels only to find you lifted it too high and barely grazed it.
karl f
This post was edited by karl f at 15:09:06 03/11/11.
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