DOC #CERT-0813-A4DA-5648
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
John Deere 8000serie
All 8400 260hp Diesel
Original
260HP
1164 Nm
Stage 1
325HP
1314 Nm
+65 HP / +25% +150 Nm / +13%
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.