Looks good mainer.....i have a tilt deck similar to that. Probably would not take much to add the power hydraulics.
i have also been looking at this..
Yea, that's very cool too... reminds me of this photo...
But I think this kind of investment either means you will be hauling them around alot for commercial use (taking folks up to radio towers or renting cats or renting to local authorities in emergency, etc., or taking many cats around for restoration work at various subcontractors), such that trailering may be an annoyance.... or that it's personal use and taking them out to land for adventures on a very frequent basis.
I was going down the route of thinking it would be easy to just have a shorter unit for transport to subs for painting, etc... but then figured a trailer was best for me so I could just use the pickup.
But personally, I think the bus that you have that came with your 4T10 is pretty dang awesome. Really a practical use and so cool looking. I think I'd rather have a tricked out bus than any of the big rigs... I'd paint it Air Force blue though.
I would do a tilt on it or put some sort of winch/pulley/hydraulic system on the ramps to slide out if they're too heavy.