This is a used Engine taken from a John Deere 420 Construction & Industrial but may fit additional John Deere 113 applications. Came out of a paver, but will fit many machines. John Deere 4039TF001 engine only 879 hours of use.What do you think about this mod? Write in comments! John Deere R4045 Fertilizer Spreader: - Capacity 10000 liters - Working width 32 meters - Working speed 35 km/h - Selectable Design: John Deere, New Leader. ECU EUI (Level 32 - Final Tier 4 / Stage IV), Engine Management System, Unit Injector System ECU EUI (Level 22 - Interim Tier 4 / Stage III B), Engine Management System, Unit Injector System. ECU EUI (Level 15 - Tier 3 / Stage III A), Engine Management System, Unit Injector System. ECU John Deere, System identification.Additional Features: Gear-driven auxillary. and Engine Control Unit (ECU) Compact Size. John Deere 4045T EWX 4.5 Liter Diesel Engine.The Engine Control Unit (ECU) sends 5 volts to the sensor, monitors the voltage drop across the sensor.