Problem : how to move half a ton of machinery (planer thicknesser) regularly into the centre of the workshop to use it.
Difficulties : limited space to pull between table saw and planer which makes a pallet truck unusable. Plus we need room to store the pallet truck.
Anything with wheels will eventually damage the floor below.
Tracks would constitute a trip hazard
Possible solution: air compressor with air casters.
This works it lifted @joeatkin2 for about 10 seconds but we would need 4 of these and a more powerful compressor.