DOC #CERT-E106-D333-7422
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
John Deere 9020serie
All 9420 425hp Diesel
Original
425HP
Nm
Stage 1
530HP
200 Nm
+105 HP / +25% +200 Nm / +0%
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.