Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm — Stage 1 file (+24 hp)

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Chip tuning for Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm ECU

Deutz Agrotron (I) K120 4.0 R4 115hp (85kW) 447Nm — agricultural diesel engine of the agricultural segment of the Deutz AG group (Германия, 1864). Stage 1 chip tuning raises power from 115 to 139 hp (+24 hp, +21%) and torque from 447 to 545 Nm (+98 Nm).

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

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

What is the Stage 1 effect on the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm?

After Stage 1 the power of the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm rises from 115 to 139 hp, a gain of 24 hp (+21%). Torque rises from 447 to 545 Nm (+98 Nm).

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

Stage 1 is a software optimization of the factory ECU firmware of the Deutz Agrotron with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +24 hp with no hardware changes.

What is the risk of Stage 1 on the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm?

A remap of the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm?

Stage 2 on the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Does the factory warranty of the Deutz Agrotron remain valid after Stage 1?

After remapping the Deutz Agrotron, 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 Deutz Agrotron?

Reading and writing via OBD takes 25-30 minutes on the Deutz Agrotron. 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 Deutz Agrotron?

Before Stage 1 the original of the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm cost?

The remap price for the Deutz Agrotron K120 4.0 R4 115hp (85kW) 447Nm 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno