Portland Terminal Co. (MEC-B&M) 198 is a 25-ton Diesel-Mechanical locomotive crane, built 1954 by American Hoist & Derrick, St. Paul, Minn., serial # 2067. Powered by Caterpillar Diesel engine. Purchased from Guilford Rail System (successor to MEC and B&M) in 1996. Cosmetic restoration completed in 1997 to circa-1979 PTM Co. appearance. The unit is fully operational (thanks to countless hours of restoration work by RMNE volunteers), and sees frequent use on the Naugatuck Railroad.