With shipping, financing options available, CraneTrader is your one-stop site for all of your POTAIN MD689 M40 needs. Find Crane Attachments for your POTAIN MD689 M40. Browse and search our easy-to-use site for a wide range of Tower Cranes and more from listing members like Bigge Crane and Rigging Co. and others. Find POTAIN MD689 M40 Tower Cranes you need on CraneTrader!