i've had an M8540 for several years (bought new) and can only highlight triple r's comment, fantastic machine. basic utility use including unearthing huge boulders, mowing, & much more. would highly recommend the 12 sp trannie w/hyd shuttle. this option will also increase the 3ph lift cap. almost 2x. would recommend some kind of rear tire ballast (mine fluid filled)
one safety option not mentioned is the trannie e brake....much safer (imho) than the conventional ratchet type. i work alone in hilly terrain, nice to lock it in when i dismount. unfortunately the price has gone up since then but a solid buy if you intend to keep good luck