The Case Farmall 115C 3.4 Tier 4A 113hp (All) produces 113bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 545Nm, a gain of 32bhp and 95Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.