Valtra N Series N134 4.9 145hp (107kW) 620Nm — Stage 1 file (+29 hp)

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Chip tuning for Valtra N Series N134 4.9 145hp (107kW) 620Nm ECU

Valtra N Series (I) N134 4.9 145hp (107kW) 620Nm — agricultural diesel engine of the agricultural segment of the AGCO Corporation group (Финляндия, 1951). Stage 1 chip tuning raises power from 145 to 174 hp (+29 hp, +20%) and torque from 620 to 746 Nm (+126 Nm).

Valtra is part of AGCO Corporation. Valtra specialises in tractors built for Nordic conditions. Valtra is a Finnish tractor manufacturer, founded in 1951. Сельхозтехника — основной объект тюнинга в агросегменте; прирост момента критичен для тяговых работ. DPF/SCR с AdBlue — стандарт на современных Tier 4/Stage V агро-моторах. Агро-дизели среднего диапазона — массовый объект чип-тюнинга.

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

Frequently asked questions

How much horsepower does Stage 1 add for the Valtra N Series N134 4.9 145hp (107kW) 620Nm?

After Stage 1 the power of the Valtra N Series N134 4.9 145hp (107kW) 620Nm rises from 145 to 174 hp, a gain of 29 hp (+20%). Torque rises from 620 to 746 Nm (+126 Nm).

How does Stage 1 differ from stock on the Valtra N Series?

Stage 1 chip tuning of the Valtra N Series is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +29 hp with no hardware changes.

Can you do Stage 1 on the Valtra N Series N134 4.9 145hp (107kW) 620Nm?

Yes, Stage 1 for the Valtra N Series N134 4.9 145hp (107kW) 620Nm stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.

How much does Stage 2 add on the Valtra N Series?

Stage 2 on the Valtra N Series N134 4.9 145hp (107kW) 620Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What happens to the Valtra N Series warranty after chip tuning?

The factory warranty of the Valtra N Series does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Valtra N Series take?

On the Valtra N Series N134 4.9 145hp (107kW) 620Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Valtra N Series?

Yes, the original ECU firmware of the Valtra N Series N134 4.9 145hp (107kW) 620Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Valtra N Series?

Stage 1 for the Valtra N Series N134 4.9 145hp (107kW) 620Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno