DOC #CERT-CF1E-5787-5B28
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
John Deere 6020serie
All 6620 125hp Diesel
Original
125HP
520 Nm
Stage 1
155HP
630 Nm
+30 HP / +24% +110 Nm / +21%
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.