Where do you need one?
40' high scissor, less than 60" wide does not exist.........today, at least.
32' Platform high is the best you could get with a scissor lift.........at least with that width parameter.....
I would suggest and electric narrow articulating boom, for those specs.....such as:
http://www.jlg.com/Products/PDF/Eseries_SS.pdf
Let me know if I can help......... msvatos@ur.com
Shrek