I'm using a powered crane by Mark Toland (250 Ton Crane, available here: http://www.railserve.com/Computers/MSTS ... h_America/). It can be driven in Explore Route mode, but whenever I use it in an activity (as a locomotive) it crashes MSTS. I've been using MSTS for over seven years and I've never known a "loco" to be driveable in "Explore Route" only!!!!! The crane can be used in activities, as part of loose consists ..... any suggestions?

Thanks!