Hy Oldtruck1946, Jim Carter lists a front spring for 1939-46 1/2 and 3/4 ton p/n MES111 $135.00 each, they also list rear shackles for 1933-68 3/4 and 1 tons p/n MEP995 $45.00 each, the rear springs on a 1/2 ton are longer than the front springs I believe, so they can't be used, hope that helps.