The Case Farmall 75 3.4 Tier 4A 72hp (All) produces 72bhp and 292Nm in standard form. Our Stage 1 ECU tuning file raises output to 95bhp and 360Nm, a gain of 23bhp and 68Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.