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From drop-down menu, select your FREE Custom T-Slot Gauge Mount Adaptor 30420 - Limited Time Offer - SALE !

This custom mounting adaptor allows you to mount the Bully Dog Triple Dog GT into any standard gauge pod with hole size of 2 1/16in. Note: Gauge Pods are sold separately.

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FREE Product Information Download

Product Information Sheet
Vehicle Application Chart
Instructions Manual

40420 Bully Dog Triple Dog GT Includes:

1 Triple Dog GT Diesel 40420
1 Triple Dog GT OBDII Adapter Plug
1 Triple Dog GT Main Wire Harness
1 Triple Dog GT Power Wire
1 Triple Dog GT Micro SD Card
1 Triple Dog GT Windshield Mount
1 Triple Dog GT USB Cable
1 Triple Dog GT User Guide

What is the Bully Dog Triple Dog GT Diesel?

The Bully Dog Triple Dog GT (Gauge Tuner) is a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit.
Triple Dog GT Features:
• Huge horsepower and torque gains (over 100 hp)
• Improved engine efficiency (fuel economy potential)
• Four On-the-fly power levels
• Safety Defueling
• Loads of download features ie. Speedometer calibration
• Display over 15 vehicle parameters (PIDs)
• Read and Erase Diagnostic Trouble Codes (DTCs)
• Vehicle Performance Testing (including drag tree)
• Free Performance Testing Software for PC online
• Exclusive Driving Coach feature, Patent Pending
• Full Color display with multiple color themes
• User set daytime and nighttime driving modes
• Easy Installation
• Free internet updates and upgrades
• Initiate DPF burnoff on ‘09 GM and Dodge diesel

Bully Dog Triple Dog GT Diesel - Performance Tunes

The Bully Dog Triple Dog GT dramatically improves the utility of several vehicle applications by providing an increase in horsepower and torque and by improving fuel economy through better engine tuning. Hold on tight because Bully Dog provides the best engine tuning in the market place with high quality engine tuning aimed at improving your driving experience. Proper tuning is key to achieving that teeth gritting adrenaline pumping horsepower, so the focus is in tuning all applicable vehicle systems, not just peak horsepower. Bully Dog tunes vehicles to perform at every point in the RPM range.

Bully Dog Triple Dog GT - Improved Fuel Economy

The Driving Coach is a special feature designed to help drivers drive more efficiently. It coaches drivers into better driving habits by providing real time visual and audio feedback as to how efficient a driver is driving. The driving coach also provides the driver with a “grade,” on how efficiently they drove during a particular trip. This makes driving efficiently, fun, drivers can coach themselves to constantly improve driving habits. Every driver can challenge themselves to be: “The perfect driver.”

Bully Dog Triple Dog GT - Performance Testing

The Bully Dog Triple Dog GT performance testing will accurately calculate and record a vehicles 1/4 mile times and everything in between. The performance testing allows the user the ability to trigger a performance test based upon when the vehicle begins rolling or based on a custom designed drag racing tree that is displayed on screen.
Display and Record performance results:
• 60 ft. Time
• 0-60 mph time
• 1/8 mile time
• 1/8 mile speed
• 1/4 mile time
• 1/4 mile speed
Free Performance Analysis Software
Free PC software program will download performance tests that were performed on the Bully Dog Triple Dog GT to a PC and allow the user to analyze their performance runs. Analyze speed curves, RPM, horsepower and torque and even get a time slip that is printable and can be emailed. Free download from bullydog.com

Bully Dog Triple Dog GT Add-On Options: Pyrometer Kit 40390 and Pyrometer Probe 40391:

Pyrometer Probe Kit 40390
- Includes all the parts and pieces necessary to acquire exhaust gas temperatures to display on the Bully Dog Triple Dog GT. This kit includes one pyrometer probe which will capture one temperature reading along the exhaust stream.
- The PCH board (the electronic dock for the pyrometer probe) can accommodate up to two pyrometer probes offering the ability to capture exhaust gas temperatures for two different locations along the exhaust stream. The Bully Dog Triple Dog GT has the ability to display up to two pyrometer temperature readings simultaneously.
Pyrometer Probe 40391
- The enclosed pyrometer probe is 5 ft in length with a two wire connection. This unit connects to the PCH board that is included in the Pyrometer Kit 40390.

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40420 Bully Dog Triple Dog GT Diesel - Vehicle Applications

Vehicle Application Chart

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Dodge Cummins

2003 Dodge RAM 2500 - 5500 Cummins Diesel 5.9L
2004 Dodge RAM 2500 - 5500 Cummins Diesel 5.9L
2005 Dodge RAM 2500 - 5500 Cummins Diesel 5.9L
2006 Dodge RAM 2500 - 5500 Cummins Diesel 5.9L
2007 Dodge RAM 2500 - 5500 Cummins Diesel 5.9L

2007 Dodge RAM 2500 - 5500 Cummins Diesel 6.7L
2008 Dodge RAM 2500 - 5500 Cummins Diesel 6.7L
2009 Dodge RAM 2500 - 5500 Cummins Diesel 6.7L

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Chevrolet, GMC Duramax

2001 Chevrolet Silverado 2500 3500 Duramax 6.6L
2002 Chevrolet Silverado 2500 3500 Duramax 6.6L
2003 Chevrolet Silverado 2500 3500 Duramax 6.6L
2004 Chevrolet Silverado 2500 3500 Duramax 6.6L
2005 Chevrolet Silverado 2500 3500 Duramax 6.6L
2006 Chevrolet Silverado 2500 3500 Duramax 6.6L
2007 Chevrolet Silverado 2500 3500 Duramax 6.6L
2008 Chevrolet Silverado 2500 3500 Duramax 6.6L
2009 Chevrolet Silverado 2500 3500 Duramax 6.6L
2010 Chevrolet Silverado 2500 3500 Duramax 6.6L

2001 GMC Sierra 2500 3500 Duramax 6.6L
2002 GMC Sierra 2500 3500 Duramax 6.6L
2003 GMC Sierra 2500 3500 Duramax 6.6L
2004 GMC Sierra 2500 3500 Duramax 6.6L
2005 GMC Sierra 2500 3500 Duramax 6.6L
2006 GMC Sierra 2500 3500 Duramax 6.6L
2007 GMC Sierra 2500 3500 Duramax 6.6L
2008 GMC Sierra 2500 3500 Duramax 6.6L
2009 GMC Sierra 2500 3500 Duramax 6.6L
2010 GMC Sierra 2500 3500 Duramax 6.6L

2006 Express / Savannah 2500 3500 Duramax 6.6L
2007 Express / Savannah 2500 3500 Duramax 6.6L
2008 Express / Savannah 2500 3500 Duramax 6.6L
2009 Express / Savannah 2500 3500 Duramax 6.6L
2010 Express / Savannah 2500 3500 Duramax 6.6L

2006 Chevrolet Kodiak 4500 5500 Duramax 6.6L
2007 Chevrolet Kodiak 4500 5500 Duramax 6.6L
2008 Chevrolet Kodiak 4500 5500 Duramax 6.6L
2009 Chevrolet Kodiak 4500 5500 Duramax 6.6L
2010 Chevrolet Kodiak 4500 5500 Duramax 6.6L

2006 GMC Topkick 4500 5500 Duramax 6.6L
2007 GMC Topkick 4500 5500 Duramax 6.6L
2008 GMC Topkick 4500 5500 Duramax 6.6L
2009 GMC Topkick 4500 5500 Duramax 6.6L
2010 GMC Topkick 4500 5500 Duramax 6.6L

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Ford Powerstroke

1999 Ford 250-550 Powerstroke 7.3L
2000 Ford 250-550 Powerstroke 7.3L
2001 Ford 250-550 Powerstroke 7.3L
2002 Ford 250-550 Powerstroke 7.3L
2003 Ford 250-550 Powerstroke 7.3L

2003 Ford 250-550 Powerstroke 6.0L
2004 Ford 250-550 Powerstroke 6.0L
2005 Ford 250-550 Powerstroke 6.0L
2006 Ford 250-550 Powerstroke 6.0L
2007 Ford 250-550 Powerstroke 6.0L

2008 Ford 250-550 Powerstroke 6.4L
2009 Ford 250-550 Powerstroke 6.4L
2010 Ford 250-550 Powerstroke 6.4L

1999 Ford Excursion Powerstroke 7.3L
2000 Ford Excursion Powerstroke 7.3L
2001 Ford Excursion Powerstroke 7.3L
2002 Ford Excursion Powerstroke 7.3L
2003 Ford Excursion Powerstroke 7.3L

2003 Ford Excursion Powerstroke 6.0L
2004 Ford Excursion Powerstroke 6.0L
2005 Ford Excursion Powerstroke 6.0L
2006 Ford Excursion Powerstroke 6.0L