DOC #CERT-61F7-3740-6F1E
09.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
09.09.2026
Mack Econodyne
All AC - 427 - 12.0 432hp Diesel
Original
432HP
2115 Nm
Stage 1
490HP
2360 Nm
+58 HP / +13% +245 Nm / +12%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.