For Komatsu PC300 7 PC300LC 7L Excavator Hydraulic Pump Repair Parts Kit CA1020834 G10 55A Prior to SN 0160045636 G10 55A Prior to SN 0160045636 John Deere EngineG6 42A Prior to SN 0160048658 Deere Engine R1G6 42A Prior to SN 0160048658 Deere Engine R2G9 43A Prior to SN 0160048669 Deere Engine R2G6 42P Deere Engine R2G6 42P Deere Turbo EngineG9 43A Prior to SN 0160048669 Deere Engine R1534D9 John Deere EngineG6 42A Prior to SN 0160048658 Deere Turbo EngineG6 42P Deere Engine R1G12 55A Prior to SN 0160045636 John Deere Engine544D John Deere Engine1044C 54 Series II SN 0160009654 to Present John Deere Engine534D10 John Deere Engine 2855NJohn Deere Combine:1032 (engine s n 687811 later) For Komatsu Excavator:PC300 7 PC300LC 7L