The Case Farmall 85C 3.4 Tier 4A 82hp (All) produces 82bhp and 328Nm in standard form. Our Stage 1 ECU tuning file raises output to 105bhp and 430Nm, a gain of 23bhp and 102Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.