Fleet Managers and Owner Operators across North America have been quick to take advantage of the many benefits offered by the Heavy Duty Gauge Tuner, or HDGT, from Bully Dog Big Rig.

The HDGT incorporates SAE tested and emissions tested diesel engine tuning with a complete gauge package, diagnostic features and Bully Dog’s famous economy focused driving coach to bring you a tool that will fully maximize each semi’s performance and fuel economy.

The list of semi’s that can now be tuned using the Heavy Duty Gauge Tuner continues to grow as Bully Dog Big Rig invests considerable assets into expanding the utility of these amazing tool. Many 2012 model year Cummins diesels are now supported, including many ISC, ISL, and ISX engines.

With substantial fuel economy gains of 6% up to 12% and a 30 day money back guarantee, you owe it to yourself or your business to consider investing in the Bully Dog Big Rig Heavy Duty Gauge Tuner. Call us at 801-938-4891, option 1 if you have any questions.