[AT] Massey Harris Pony dual plow info needed

[Reise David G NPRI]

> 	Subject:	Massey Harris Pony dual plow info needed
> 
> 		Need source for the linkage the selects the drop of either the right or left  plow. This is short set of linkages that are are on frame on left and right side just behind fenders, Plows are lifted by hydraulics and dropped by lifting these short overcenter linkages to drop the required plow. I have seen the set up but need the linkage and the info on how to set up this type of plow
> 	What is this linkage and type of set up called. Is this a rare option???