Mack-Diesel-No.-1 Published February 16, 2018 at 1024 × 500 in Diesel Locomotives ← Previous Next → Between 1905 and 1939 Mack Trucks also made locomotives, including this one which was built in 1931. The “Mack” was used as a switcher engine in railroads, and it was one of only eight ever built in this model. Trackbacks are closed, but you can post a comment.