Not surprisingly, his favorite Mack engine is the hard-working heart of the B61—the Mack Thermodyne 673 diesel. “It certainly earned a reputation for being a very durable and high performing ...

This was the introduction of the famous Mack Thermodyne inline, six-cylinder engine. In a foreshadowing of the future, Mack engineers collaborated with Scania in Sweden on the development of the ...

and the then-new Mack Thermodyne diesel engine became one of the most popular conventional trucks right into the '60s. They At an antique truck show held recently in Mack's hometown of Macungie ...

Miss Marge features a 711 Mack Thermodyne engine with a 10-speed and 3:90 rears. It also features air ride suspension. The rig’s restoration began with stretching the frame and adding faster ...