BHP+80 hp (19%)
Standard
420 hp
Tuned
500 hp
Torque+450 Nm (23%)
Standard
2000 Nm
Tuned
2450 Nm
Suitability
Good (7.5/10)Gains Profile
BalancedHeadroom
HighVolvo Trucks FH 12 420hp ECU Remapping
Considering an ECU remap for your Volvo Trucks FH 12 420hp? A Stage 1 remap can take this Euro 3 Euro 4 -->2006 diesel engine from 420 BHP to 500 BHP and from 2000 Nm to 2450 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Volvo Trucks FH can achieve.
How this engine compares
- 6thof 22 Volvo Trucks FH engines by power gain
- 95%of the 9,842 engines we hold gain data for see a smaller power increase
- 99%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Volvo Trucks FH 12 420hp is a turbocharged diesel engine producing 420 BHP and 2000 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 500 BHP and 2450 Nm — a gain of around 80 BHP (19%) and 450 Nm (22%).
This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!High tuned torque: check transmission torque capacity and service history.
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.