DOC #CERT-8B1C-5615-2E71
10.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
10.09.2026
John Deere RN
All S690i.13.5 538hp Diesel
Original
538HP
Nm
Stage 1
590HP
200 Nm
+52 HP / +10% +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.