[['model', 'specification', 'build date', 'total produced', 'wheel arrangement', 'prime mover', 'power output'], ['s - 2', 'e1540', '1940 - 1950', '40', 'b - b', '6 - 539t', '-'], ['s - 3', 'e - 1530a', '1950 - 1957', '163', 'b - b', '6 - 539', '-'], ['s - 4', 'e - 1540a , e - 1540b', '1949 - 1957', '146', 'b - b', '6 - 539t', '-'], ['e - 1800', 'e - 1800', '1951', '2', 'b - b', 'none', 'yard slug'], ['e - 1800', 'e - 1800a', '1957', '2', 'b - 2', 'none', 'yard slug'], ['s - 7', 'dl - 1000 or me - 1000', '1957', '29', 'b - b', '6 - 539t', '-'], ['s - 10', 'dl - 066', '1958', '13', 'b - b', '6 - 539', '-'], ['s - 11', 'dl - 406', '1959', '10', 'b - b', '6 - 539', '-'], ['s - 12', 'dl - 410', '1958', '11', 'b - b', '6 - 539t', '-'], ['s - 13', 'dl - 411 , dl - 411a', '1959 - 1967', '56', 'b - b', '6 - 251c', '-']]
the E - 18000 Model was the only Model without a prim Mover , and had a Power Output of Yard Slug
the [ENT] 18000 [ENT] was the only [ENT] without a prim [ENT] , and had a [ENT] of [ENT]