The Deutz Fahr Agrotron TTV 620 6.0 - 156hp (All) produces 156bhp and 693Nm in standard form. Our Stage 1 ECU tuning file raises output to 156bhp and 776Nm, a gain of 0bhp and 83Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.