SKU: 46500

Bully Dog Heavy Duty Gauge Tuner (CAT, Cummins, Detroit, Paccar)


Only the industrys leading tuning manufacturer could bring you a product this revolutionary. Combining the best-in-class features of the Heavy Duty WatchDog and Bully Dogs independently SAE tested tuning, the Heavy Duty Gauge Tuner (HDGT) is the premium performance product for drivers and fleet owners. If you are serious about getting peak performance out of your truck while saving money on fuel and repairs, the HDGT is for you.


The Tuner:

No other product can compete with the superior tuning options of the HDGT. Owners can choose between the Economy tune, the Economy + Power tune or opt for custom tuning.


Economy Tune:

Tuning for Mileage Gains Subjected to Bully Dogs rigorous on-road beta testing and then confirmed by independent SAE testing, the Economy tune consistently helps drivers achieve mileage gains of 6-12% or more.


Economy + Power Tuning:

Tuning for Mileage Gains and Additional Power. The Economy + Power Tune safely increases the horsepower and torque of your truck along with proven economy tuning. Users can expect horsepower and torque gains of 18% allowing your truck to perform better while under load, maintaining speed and gaining up to 1 ½ to 2 gears in the hills.


Custom Tuning:

For drivers who want a little bit more, Bully Dogs professionally trained staff offers complimentary custom tuning.


The WatchDog:

The HDGT includes Bully Dogs state-of-the-art WatchDog technology which automatically monitors the safety of your engine. Simply set the safety parameters and the WatchDog will alert you if something is wrong that could potentially damage your engine or transmission.


The Driving Coach:

The Driving Coach helps you achieve your mileage goal by giving you real-time visual and optional audible feedback. Driving Coach Reports can be generated to track your trucks performance.


The Mini Mechanic:

Waiting for a mechanic to determine why your check engine light is a waste of both time and money. Now you can do it yourself.


The Speed Limiter:

Drivers going in and out of Canada no longer have to waste time having their speed limiter modified and paying costly change fees or fines. The HDGT allow you to switch the speed limiters yourself saving you time and money every trip.



1995-1998 14.6L CAT 3406E

1995-1998 15.8L CAT 3406E

2002-2010 7.2L CAT C-7

2004-2010 9.3L CAT C-9

1999-2003 10.3L CAT C-10

2004-2010 11.1L CAT C-11

1997-2003 12.0L CAT C-12

2004-2010 12.5L CAT C-13

1999-2003 14.6L CAT C-15

2005-2010 15.2L CAT C-15 ACERT

1999-2003 15.8L CAT C-16

1999-2003 18.1L CAT C-18



1998-2000 14.9L Cummins N14 

2000-2003 14.9L Cummins ISX CM570 Signature 

1999-2003 10.8L Cummins ISM CM570 

2007-2010 8.3L Cummins ISC 

2010-2016 8.3L Cummins ISC 8.3 

2007-2010 8.9L Cummins ISL 

2010-2016 8.9L Cummins ISL 9

2004-2010 10.8L Cummins ISM

2010-2011 11.9L Cummins ISX 11.9

2011-2016 11.9L Cummins ISX 12

2011-2012 14.9L Cummins ISX 15 CM2250

2013-2016 14.9L Cummins ISX 15 CM2350

2017-2019 14.9L Cummins X15 Power

2004-2007 14.9L Cummins ISX CM870

2008-2010 14.9L Cummins ISX CM871

2007-2016 6.7L Cummins ISB



2007-2016 12.8L Detroit DD13

2007-2016 14.8L Detroit DD15

2010-2016 15.6L Detroit DD16

1999-2003 12.7L Detroit Series 60 DDEC 4

2004-2007 12.7L Detroit Series 60 DDEC 5

2001-2003 14.0L Detroit Series 60 DDEC 4

2004-2007 14.0L Detroit Series 60 DDEC 5

2008-2010 14.0L Detroit Series 60 DDEC 6

2007.5-2010 7.2L Mercedes MBE 900

2007.5-2010 12.8L Mercedes MBE 4000



2010-2012 12.9L Paccar MX

2013-2015 12.9L Paccar MX-13

2007-2016 6.7L Paccar PX-7

2008-2012 8.3L Paccar PX-8

2013-2015 8.9L Paccar PX-9


Not available for sale in the state of California  Click here to read Emissions Notice.

    © 2023 by American Diesel Power


    (Current Orders or DD214 to qualify)

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