Department of Army supply catalog. Ord 7-8 SNL. Organizational, field and depot maintenance allowances. 6-678. Semitrailer, 6-ton, 2-wheel, gasoline tank, 2,000-gal, M30 (Davis Welding, Hell, Lufkin, Keystone, Kreiger Steel, Progress, Independent Metal Products, model ST6-2M); June 1950.

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