John Deere PowerTech 6068 Diesel Engines above 130kW (174 hp) (Interim Tier 4/Stage 3 B) Official Service Repair Technical Manual CTM104719
John Deere PowerTech 6068 Diesel Engines Below 130kW (174 hp) (Interim Tier 4/Stage 3 B) Official Service Repair Technical Manual CTM104619
