Educational Tractor Diesel Engine is an advanced training model based on OEM 4-cylinder in-line diesel engine, featuring a Common Rail (CR) fuel injection system. It includes a turbocharger, DOC + DPF exhaust filters, and an SCR + DEF dosing system with a 30L AdBlue tank. Equipped with a 24V system and an OBD 16-pin diagnostic socket, this model facilitates detailed fault code management and live data monitoring. The engine’s open contacts enable precise measurement of system components and circuits, supporting comprehensive diagnostic and troubleshooting practice.