Mack Maxicruise AC - 380 - 12.0 385hp Remap

Name: Mack Maxicruise AC - 380 - 12.0 385hp ECU Remap
Brand: Mack

Expected gains of +60 BHP and +300 Nm torque

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BHP+60 hp (16%)

Standard

385 hp

Tuned

445 hp

Torque+300 Nm (13%)

Standard

2250 Nm

Tuned

2550 Nm

Suitability

Good (6.5/10)

Gains Profile

Balanced

Headroom

Medium

Mack Maxicruise AC - 380 - 12.0 385hp ECU Remapping

Considering an ECU remap for your Mack Maxicruise AC - 380 - 12.0 385hp? A Stage 1 remap can take this All diesel engine from 385 BHP to 445 BHP and from 2250 Nm to 2550 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 Mack Maxicruise can achieve.

How this engine compares

1stof 8 Mack Maxicruise engines by power gain
86%of the 9,842 engines we hold gain data for see a smaller power increase
97%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Mack Maxicruise AC - 380 - 12.0 385hp is a turbocharged diesel engine producing 385 BHP and 2250 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 445 BHP and 2550 Nm — a gain of around 60 BHP (16%) and 300 Nm (13%).

This engine has moderate 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 moderate, based on the percentage gain available from the factory output.

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.

Other Maxicruise All Engines

Engine	BHP	Gain	Torque	Gain	Score
AC - 310 - 12.0 314hp	314 → 370	+56	1844 → 2150	+306	Good (7/10)
AC - 330 - 12.0 314hp	314 → 370	+56	1844 → 2150	+306	Good (7/10)
AC - 330 - 12.0 335hp	335 → 389	+54	1979 → 2250	+271	Good (6.5/10)
AC - 350 - 12.0 335hp	335 → 389	+54	1979 → 2250	+271	Good (6.5/10)
AC - 355 - 12.0 360hp	360 → 420	+60	2115 → 2420	+305	Good (7/10)
AC - 380 - 12.0 360hp	360 → 420	+60	2115 → 2450	+335	Good (7/10)
AC - 410 - 12.0 385hp	385 → 440	+55	2250 → 2350	+100	Moderate (5.5/10)

Technical Specifications

Fuel Type: Diesel
Aspiration: Turbocharged
Type: Commercial
Engine Family: Mack Turbo Diesel

ECU & Transmission

Likely ECU Low confidence: Bosch EDC17-era diesel ECU (varies)
Gearbox Low confidence: Transmission varies by trim and market; check manual/automatic type and torque rating. At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeMack

ModelMaxicruise

GenerationAll

EngineAC - 380 - 12.0 385hp

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.