Crankshaft Grinder. Get Price Quote. Net Weight : 3500kg. Grinding Length : 1500mm (60") The Automatia Crankshaft Grinding Machines, ACG 1500 & ACG 2100 are high precision products designed for regrinding of Crankshaft. The machines combine. high precision operation with a length of up to 1500mm and 2100mm respectively.