Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm — Stage 1 file (+36 hp)

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Chip tuning for Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm ECU

Fendt 800 serie (I) 826 Vario 6.1 SCR 260hp (191kW) 1120Nm — agricultural diesel engine of the agricultural segment of the AGCO Corporation group (Германия, 1930). Stage 1 chip tuning raises power from 260 to 296 hp (+36 hp, +14%) and torque from 1120 to 1212 Nm (+92 Nm).

Fendt is a German premium tractor manufacturer, founded in 1930. Fendt is part of AGCO Corporation. Fendt sits in the premium agricultural segment with a strong focus on technology. Высокомощные агро-дизели — флагманские тракторы и комбайны. Сельхоз дизели имеют расширенный набор карт под нагрузку и работу на низких оборотах. Заводская калибровка сельхоз-дизелей консервативна — большой запас под Stage 1.

Высокомощные агро-Stage 1 — фокус на снижении расхода под нагрузкой. Stage 1 в агросегменте фокусируется на крутящем моменте для тяговых работ. Сельхозсегмент — расход и тяга важнее л.с. Высокомощные Fendt — флагманские тракторы и комбайны с уверенным запасом под Stage 1.

Frequently asked questions

What is the Stage 1 effect on the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm?

The Stage 1 gain for the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm is 36 hp (+14%) over the stock 260 hp, for a total of 296 hp. Torque rises from 1120 to 1212 Nm (+92 Nm).

What is Stage 1 chip tuning for the Fendt 800 serie?

Stage 1 is a software optimization of the factory ECU firmware of the Fendt 800 serie with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +36 hp with no hardware changes.

Do you need hardware changes for Stage 1 on the Fendt 800 serie?

The high-output Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

What is Stage 2 for the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm?

Stage 2 on the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Does the factory warranty of the Fendt 800 serie remain valid after Stage 1?

After remapping the Fendt 800 serie, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Fendt 800 serie?

Reading and writing via OBD takes 25-30 minutes on the Fendt 800 serie. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Fendt 800 serie?

Before Stage 1 the original of the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm cost?

The remap price for the Fendt 800 serie 826 Vario 6.1 SCR 260hp (191kW) 1120Nm is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno