John Deere Gen-Set (Non-Certified) Marine Engines PowerTech 4045 Series Generator Drive Marine Engines 4045DFM70 – 1500 rpm 4045DFM70 – 1800 rpm 4045TFM75 – 1500 rpm 4045TFM75 – 1800 rpm 4045TFM85 – 1500 rpm 4045AFM85 – 1500 rpm PowerTech 6068 Series Generator Drive Marine Engines 6068TFM50 – 1500 rpm 6068TFM50 – 1800 rpm 6068TFM76 – 1500 rpm 6068TFM76 – 1800 rpm 6068AFM75 – 1500 rpm 6068AFM75 – 1800 rpm PowerTech 6090 Series Generator Drive Marine Engines 6090AFM75 – 1500 rpm 6090AFM75 – 1800 rpm 6090SFM75 – 1500 rpm 6090SFM75 – 1800 rpm
