HDT Mack Diesel Tuner for CHN, CXN, CPX, CHU, CXU, Pinnacle, Granite

MP7 & MP8 Power Tuning Fuel Economy MPG Increase

Start saving time and money now!

Increase your MP8 fuel economy .5-1.5 mpg & add an additional 60-100HP!

Increase the MP7 HP +40hp - 80hp!

Your engine will gain both HP and torque through the entire RPM band.

This helps the low end torque to reduce downshifting, increases fuel mileage, reduce turbo lag!

VolvoPM pic
Volvo Harness 2
Volvo OBD2 2014+

2014+ MP8 Power Module


Plug In Adjustable Power module
2014 - 2023 MP8 & MP7 Engines.

(2013/2014 is a split year in ECM models, easiest way to determine if you need the 2008-2013.5 unit is to look at your diagnostic connector under your dash. If it is round then you need the 2008-2013.5 HDT-MackPM unit, if it is rectangular you will need the HDT-Mack14+ unit)

This unit plugs into the engine computer and controls injector timing and injected quantities helping the engine with throttle response and lowering the torque curve by spooling the turbocharger faster.

Increase hill pulling speed and decrease downshifts and start saving money today!

True "plug and play" unit which uses factory ecu connectors and will take less than 20min to install. Simply Connect one end of the HDT wiring to the "A" connector of the ECU, The other end connects to the factory Wiring harness, attach a power and ground wire to the alternator, secure from hazards with the supplied cable ties and you're ready to enjoy the new power!

Each System is preprogrammed with 4 setting you can easily change with our push button type adjustment process.

MP8's have 4 programs to chose from +60HP, +80HP, +100Hp or STOCK.

MP7's have 4 programs to select from also, +40hp, +60hp, +80hp and STOCK

Factory Engine Protection systems such as derate for over temp of exhaust gas and regen systems stay intact and work as stock.

Increased MPG, Throttle Response and Horsepower!

Please note *This service is for increasing POWER ONLY, this DOES NOT EFFECT engine codes or regen equipment.*

Have an older MACK Truck? We have you covered!

1998 - 2007 MACK AI Etech V-MAC 3 / VMAC III:

2008 - 2013 Mack MP7 and MP8 Engines: