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Military Vehicle Spotlight: 1955 M54 Mack 5-ton 6x6 Cargo Truck and M332 Ammo Trailer

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Restored by Dale Bowden

Restored by Dale Bowden

G-744 Mack 5-ton 6x6 Cargo Truck

  • Net Weight: 19,945 lbs.
  • Gross Weight: 39,945 lbs.
  • Engine: Continental R6602 6-cylinder
  • Displacement: 602 cu. in.
  • Fuel: Gasoline
  • Horsepower: 224
  • Maximum Speed: 52 mph
  • Maximum Range: 280 miles


The M54’s all-steel cab and hard-bottom water crossing capability up to a depth of 30 inches without any preparation was a marked improvement over most WWII-era trucks. From 1954 to 1956, Mack produced 1,126 M54 cargo trucks. Over the following decade, Mack, International Harvester, Reo, Diamond T, Studebaker and Kaiser-Jeep all fulfilled M54 production contracts.

G-660 M332 Trailer

  • Net Weight: 2,750 lbs.
  • Gross Weight: 5,800 lbs.


The M332 replaced the WWII-era M10 trailer for transporting ammunition for field artillery. The trailer has a welded-steel, open-topped box mounted on a rectangular tubular steel framework.

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