DOC #CERT-3E8B-4A23-B07D
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
John Deere 8Rserie
All 8320R 320hp Diesel
Original
320HP
1419 Nm
Stage 1
360HP
1570 Nm
+40 HP / +13% +151 Nm / +11%
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.