Hydraulic Stone Cropper/Splitter/Guillotine

[Woody3]

Does anyone have any experience of hydraulic stone guillotines/croppers/splitters etc?

I've got about 60T of gritstone/sandstone that I need to cut to size (backed to form a cavity wall) and I've been advised that this might be a solution.

Basically I'm after advice on where I can buy one or even hire one? Some seem to be homemade. Should I avoid these? Any good makers? What should I look out for?

I'd prefer one with an onboard engine, as I don't have a tractor to power the hydraulics.

Cheers,

W.