DOC #CERT-B91D-5A15-4DC4
10.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
10.09.2026
John Deere 8Rserie
All 8260R 260hp Diesel
Original
260HP
1217 Nm
Stage 1
290HP
1397 Nm
+30 HP / +12% +180 Nm / +15%
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.