Looking for a simple "Plug and Play" type tuner for your medium duty Cummins engine? We have options for both Common Rail and VP44 injection systems!
2003 - 2016 ISC / ISB w/ Common Rail Fuel Injection System
This easy to install and inexpensive product is perfect for that "it has almost enough power" crowd that prefers a more physical installation that allows you to install the unit and forget about it!
HDT-CR4 Module
2003 - 2016 ISC and ISB engines
NO WIRE CUTTING or soldering required.
These units will have the ability to increase HP by up to 25% by simply connecting to the engines fuel rail pressure sensor with our factory weather proof plug and play connections. Please include the engine serial number when ordering, some years require the connection style to be confirmed prior to shipment.
HDT-VP44 Bosch VP44 Pump Power Tuner For Cummins 5.9L
The light pickup truck VP44 tuners WILL NOT WORK on the industrial Cummins engines in RV platforms! Our tuner is specifically engineered for the medium duty pump. The "Plug and Play" performance module allows you to simply connect our harness in between the stock harness and injection pump and you're set! NO CUTTING, SPLICING or SOLDERING REQUIRED!This system is pre-loaded with all 4 industrial VP44 pump protocols to ensue easy trouble free fitment and a physical adjustment inside the box allows you to leave the laptop at home and just plug in the system, set the protocol if needed and enjoy the additional power! Depending on factory HP rating of your engine this tuner will increase your power up to and additional 35%!
Pulling a trailer or tow vehicle? NO PROBLEM!
Need extra fuel economy for those long hauls? This helps fuel economy too!
In the market for a ECU/ECM Flash Tuner for your Cummins with or without a display screen? We also have you covered! Checkout the Flash Tuner Options Below.
Pulling a heavy trailers/tow vehicles or want the best of the best for your rig? The Bully Dog Heavy GT Tuner is for you!
Bully Dog 46500 Heavy Duty GT Power and Fuel Economy ECM Tuner
With real time engine data on its built in display you can be confident in your engines performance and also keep an eye on how the engine is running! This tuning system allows you to change the 3 power levels, read and clear trouble codes and adjust speedometer limiter settings with ease! This unit is compatible with:
N14 - 1998 - 2000 - 14.9L
ISX 12 - 2010 - 2016 - 11.9L
ISX - 2000-2021 14.9L
ISM - 1999-2010 - 10.8L
ISC - 2007-2016 8.3L
ISL - 2007-2010 - 8.9L
ISL 9 - 2010 - 2016 - 8.9L
ISB - 2007 - 2020 - 6.7L
X15 - 2017 - 2021 - 14.9L
(X15 power levels based off factory HP ratings)
Do you prefer a flash tuner but don't need the benefits of the GT's display?
No Problem the ECM Tuner is right for you!
All the benefits and compatability of the Heavy Duty GT without the screen making installation more discrete.
Perhaps you just want to upgrade your gauge display and keep an eye on your engines vitals while still being able to adjust speed limiter settings and also read / clear trouble codes?
The Bully Dog WATCH DOG engine monitor system is right for you! Packed full of functions and handy features this display make a great addition to any Pusher or Puller Coach!
