Part Number: 257T3404-4 (Crank shaft assy)Part Number: 257T3404-5 (Crank shaft assy)Part Number: 257T3404-6 (Crank shaft assy)Part Number: 6625-01-079-5832 (Crank shaft assy)Part Number: 872581 (Crank shaft assy)Part Number: 8-74260-1 (Crank shaft assy)Part Number: 8-74260-2 (Crank shaft assy)Part Number: CA48020-3 (Crank shaft assy)