The Deutz Fahr Agrotron M 600 121 - 121hp (All) produces 121bhp and 599Nm in standard form. Our Stage 1 ECU tuning file raises output to 121bhp and 671Nm, a gain of 0bhp and 72Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.