Complex sentence: In 1981 it was removed from static display, in exchange for a smaller Shay and a Porter locomotive, and placed in service on the Cass Scenic Railroad-it has now served in tourist and enthusiast service for longer than it did for its original owners.
Split into simpler sentences: In 1981 it was removed from static display, in exchange for a smaller Shay and a Porter locomotive, and placed in service on the Cass Scenic Railroad. It has now served in tourist and enthusiast service for a longer period than it did for its original owners.