Expected gains of +51 BHP and +186 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Freightliner Classic MBE - 4000 - 12.8 409hp? A Stage 1 remap can take this All diesel engine from 409 BHP to 460 BHP and from 1964 Nm to 2150 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Freightliner Classic can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Freightliner Classic MBE - 4000 - 12.8 409hp is a turbocharged diesel engine producing 409 BHP and 1964 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 460 BHP and 2150 Nm — a gain of around 51 BHP (12%) and 186 Nm (9%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.
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.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| MBE - 4000 - 12.8 350hp | 350 → 400 | +50 | 1828 → 2050 | +222 | Good (6.5/10) |
| MBE - 4000 - 12.8 370hp | 370 → 420 | +50 | 1828 → 2050 | +222 | Good (6.5/10) |
| MBE - 4000 - 12.8 435hp | 435 → 490 | +55 | 1964 → 2150 | +186 | Good (6.5/10) |
| MBE - 4000 - 12.8 450hp | 450 → 500 | +50 | 2100 → 2350 | +250 | Good (6.5/10) |
Get a personalised remap quote for your Freightliner Classic. We'll connect you with a trusted professional in your area.
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 before proceeding.