Quite right Dan. Rated capacity is the MAXIMUM capacity for that machine beit 24" or 12". Ok - heres the boring bit ;-) If you have a machine with a capacity of 4000lbs @ 24" but our load centre is 30". Multiply 4000 (our known capacity) by 24 (our rated centre) = 96000 divide this figure by our new load centre (30") = 3200, our new capacity @30"LC
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