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Trucks on Display


Below is a sampling of the many trucks on display in our Trucking Hall of Fame® Exhibit Hall. Check out our app for more information, photos, and an audio recording for each truck.  Click here to download.

1960 Mack B 61 ST

Engine Type:
Mack 673 Cubic Inch END 673 Diesel 237 Horsepower

Transmission Type:
5 x 4 Mack Quadraplex

Truck Information:
Mack produced nearly 128,000 B-series trucks from 1953 until 1966. The B-series had a streamlined appearance compared to the boxier L-series trucks that preceded them. The rounded cab, hood, and fenders ushered in a new standard of style for trucks, and the series was one of Mack’s most successful. The same year that Mack began producing their B model trucks, they introduced END Thermodyne engines which feature an open-chamber, direct fuel-injection system. Around 80% of Mack trucks made from 1953 until 1966 – including this 1960 Mack B 61 ST – were equipped with this engine. The company started using Cummins engines in the 1960s, however, because they were more powerful, and they matched the advanced Jacobs Engine Brake system. This truck, which is one of six ordered by Ecoff Trucking of Indianapolis, Indiana to haul acid, has a rare integral sleeper cab that pales in comparison to the sleepers of today, but was considered innovative for 1960. The cab was small; there wasn't much room for a tall driver. Driver comfort and ergonomics were not a priority in 1960. Mr. Cochran was still using this truck for his business when Iowa 80 purchased it in 1990. Top Speed: 53 MPH

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