Characteristics for an American lighter, amphibious, resupply cargo (LARC-5) in March 1961

Dimensions 35 x 9 x 9.3 feet Capacity 5 tons-25 troops with combat equipment. Weight 18,000 pounds (empty). Maximum speed 10 (water)-35 (land) miles. Range 75 (water)-270 (land) miles. Largest equipment carried 0.5cm gun with crew and ammunition.

Source

Army forces in amphibious operations (the Army Landing Force). Department of the Army Field Manual FM 31-12. March 1961.