Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm — Stage 1 file (+20 hp)

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Chip tuning for Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm ECU

Deutz Agrotron (I) K420 4.0 R4 100hp (74kW) 413Nm — agricultural diesel engine of the agricultural segment of the Deutz AG group (Германия, 1864). Stage 1 chip tuning raises power from 100 to 120 hp (+20 hp, +20%) and torque from 413 to 470 Nm (+57 Nm).

Deutz engines are used across a wide range of agricultural and special machinery. Deutz is a German diesel engine manufacturer, founded in 1864. Deutz is the oldest internal-combustion engine manufacturer in the world. DPF/SCR с AdBlue — стандарт на современных Tier 4/Stage V агро-моторах. Агро-дизели среднего диапазона — массовый объект чип-тюнинга. Сельхоз дизели имеют расширенный набор карт под нагрузку и работу на низких оборотах.

Stage 1 в агросегменте фокусируется на крутящем моменте для тяговых работ. Stage 1 на агро-дизелях — заметный прирост момента для тяги. Сельхозсегмент — расход и тяга важнее л.с. Deutz среднего класса — массовый объект чип-тюнинга в агросегменте.

Frequently asked questions

How much does the power of the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm increase after Stage 1?

After Stage 1 the power of the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm rises from 100 to 120 hp, a gain of 20 hp (+20%). Torque rises from 413 to 470 Nm (+57 Nm).

How does Stage 1 differ from stock on the Deutz Agrotron?

Stage 1 on the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +20 hp with no hardware changes.

Is a Stage 1 remap safe for the K420 4.0 R4 100hp (74kW) 413Nm?

Stage 1 on the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.

How does Stage 2 differ from Stage 1 on the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm?

Stage 2 on the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Does Stage 1 void the warranty on the Deutz Agrotron?

Stage 1 on the Deutz Agrotron voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm done?

The full remap cycle for the Deutz Agrotron — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Deutz Agrotron?

The original Deutz Agrotron ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm?

The cost of Stage 1 for the Deutz Agrotron K420 4.0 R4 100hp (74kW) 413Nm is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno