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Stage 1 ยท Diesel

Volvo Trucks FH13 2005> 12.8l EUR 3 D13A 440bhp remap figures

Stock, this 2005> Volvo Trucks FH13 diesel (12.8L) produces 440bhp and 2201Nm. Our expected figures for a Stage 1 remap are 505bhp and 2477Nm, an expected gain of up to 65bhp and 276Nm.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

StockVanguard expectedExpected gain, up to
Power440 bhp505 bhp+65 bhp
Torque2201 Nm2477 Nm+276 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock440 bhp2201 Nm
Stage 1Maximum software-only performance505 bhp2477 Nm+65 bhp
+276 Nm
Stage 1 EcoPerformance with economy in mind489 bhp2455 Nm+49 bhp
+254 Nm
Eco mapEconomy first484 bhp2441 Nm+44 bhp
+240 Nm

Who is the Stage 1 map for?

  • Drivers who want stronger pulling power for overtaking, hills and towing, with no parts to fit.
  • Daily and motorway drivers who want the engine to feel less strained at cruising speed.
  • Anyone who wants the biggest software-only change we list for this engine.

What this means for your FH13

Diesel remaps work mainly on boost pressure, fuel delivery and torque limiters, which is why the Nm gain is usually the figure you feel in everyday driving, particularly when overtaking or towing.

Engine management is by a Lucas B/C/D unit. Older engine management is simpler to work with, but age matters: worn sensors, leaks and tired components can hold back what a remap delivers, which is why we run a diagnostic check first.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the Volvo Trucks FH13 12.8l EUR 3 D13A 440bhp?

We expect 505bhp and 2477Nm against 440bhp and 2201Nm as standard: up to +65bhp and +276Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the Volvo Trucks FH13 12.8l EUR 3 D13A 440bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 489bhp and 2455Nm expected. The Eco map is economy first: 484bhp and 2441Nm. Both still sit above the standard 440bhp and 2201Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.