Other than the suspension components, what are the other differences in truck ratings from F150- F250- F350; Chevrolet uses 1500, 2500 3500 ratings. Chrysler uses similar badges.
150/ 1500 are completely different. Smaller, lighter, weaker everything. 2500 and 3500 are often very similar. Usually the engine, transmission, transfer case, and axles are identical but there are exceptions. Usually the front springs are identical. The difference is mostly, usually, rear springs, wheels, and tires.