Anything is possible, but they certainly weren't meant to couple together.
Does your MF16 have the 3pt hitch? You'll need some sort of rear lift mechanism.
On the MF10 or 12, that those 2 tillers are built for, there was a manual lift
attachment available. It won't fit on your 16.
Driving the tiller off the electric PTO on your K341 is also going to be a challenge.
You have the shaft and gear box, which you'd have to get belt power to somehow.
Even if you lengthened the shaft, the input to the gearbox is orientated the wrong
way in relationship to the K341 PTO.
I think you'd be better off, looking for the correct tiller, and keeping those two for
the MF10 and 12 that you'll be getting soon, now that your addicted. There was
one for sale a few months ago, up your way. I think it was near Perth.
Here's a couple pics of the correct tiller for the MF16.
I see in your inventory, that you have a cart too. You must have grabbed all that
stuff that was listed on Kijiji. How about some pictures of the treasures? We like