I upgraded the 12000 stock winch with a 16.5 because the 12000 rating is essentially the bare winch uncoiled. There is a significant drop in "pulling" power with increasing coils on the winch (approx. values follow); 2 coils = 9480, 3 coils = 7800, 4 coils = 6720, 5 coils = 5760, 6 coils (full)...