balancing model for crankshafts By putting on, taking off or changing the position of different counterweights, a static or dynamic unbalance of crankshafts can be shown. proper selection and positioning of the weights cause a true running. description ordernumber 1010 see also: exhaust turbocharger with charging-pressure control Common rail injection pump from Delphi twin-choke downdraught carburetor four-valve cylinder head, diesel direct injection, lorry