Hy Stooz, I don't have a 56 truck salesmans data book, but my 59 book lists option 82 as Heavy Duty Equipment [includes 7000lb. front axle, 16000lb. rear axle; front shocks; 2750 lb. front springs; 9100 lb. rear springs] opt. 2 Frame Reinforcement, and 362 [9" Hydrovac], hope that helps.
