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Mack Military – The Mack Trucks Mobile Dynamometers of the U.S. Army

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  • 6 years later...

 The truck is a 1957 XM124. When the 10 tons were being designed, there was to be a tractor, cargo, dump and long wheelbase cab and chassis. Only the tractor and cargo trucks were produced. I believe this is the only XM124 (long wheelbase) built. It is serial number M124-1001. It's powered by a 844ci V-8 gas LeRoi. The truck was used by the Engineer Research & Development Laboratories (ERDL) at FT Belvior, Virginia where I bought it surplus.  I believe the cab was built at Ft Belvior. I have some more photos of it in service. I have since met an engineer that used the truck in the sixties and seventies who gave me the photos.


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  • 5 months later...

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