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Bully Dog RV & Medium Duty Gauge Tuner (MDGT) for Cummins 2008-2016 8.3L ISC & 8.9L ISL 46502

Part# 46502
$878.90 Now $799.00
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AVAILABILITY: 4 In Stock


Not Available to Ship to California


Product Description

Parleys Diesel presents the new Medium Duty Gauge Tuner (MDGT) from Bully Dog Big Rig. Bully Dog’s new Medium Duty Gauge Tuner empowers drivers of RV’s, tow trucks, tool trucks, and other medium duty applications to unleash the full potential of their rig. Based on the world-renowned Heavy Duty GT – a favorite among big rig drivers, we’ve created a powerful new device to increase horsepower, torque, and fuel efficiency of medium duty applications. With our most advanced dyno-proven calibrations preloaded, the MDGT allows you to take your truck to the next level. A push-button interface, on-screen virtual gauges, and immersive full-color display help you clear DTC codes, monitor data, and adjust performance with dyno-proven calibrations. Driving Coach and Speed Limiter features enable efficient and safe driving.

Preloaded with 3 levels of emissions-tested, dyno-proven tune files to satisfy your unique demands. As your performance needs change, simply choose between loading Economy, Economy+Power, or Power tunes. The perfect combination of horsepower, torque, and efficiency right at your fingertips. Monitor many parameters to keep track of engine performance. Read and clear any DTC’s so there is never a question about an issue before heading to the shop. Increase and decrease the set limit of the vehicles cruise control. Save time and money when continually crossing the US-Canadian border to change the cruise control set limit.

Key Features

  • 3 Power Levels
  • Up To 20% Power Increase
  • Up To 12% Better Fuel Economy
  • Easy Install
  • Switches Easily Back to Stock
  • Digital Gauge Functionality
  • Includes Internet Updates, Upgrades and Customized Tunes
  • For Use On Vehicles With A 6 Pin Or 9 Pin Data Port




Fits The Following Cummins Engines In RV’s & Other Medium Duty Applications (2150, 2250 & 2350 ECM)

  • 2008-2016 ISB 6.7L
  • 2008-2016 ISC 8.3L
  • 2008-2016 ISL 8.9L

Tunes: Save money and pull harder with the available tunes. Select the best tune for the job; economy, power and economy, and power. Safety: Have more confidence while hauling. Set vehicle warnings to alarm if parameters are exceeded for coolant temperature, oil temperature, boost and speed. Fuel Savings: Start saving today with the Bully Dog Medium Duty Gauge Tuner with fuel savings up to 12% and keep the truck running longer safer. Utilize the driving coach to get the best economy possible.

What You Can Adjust

(Adjustable Options vary for each vehicle and are not available on all vehicles)

Boost Warning This gauge option shows the boost. This information is used in warning settings to alarm when the boost limit is exceeded.

Cruise Limiter Increase and decrease the set limit of the vehicles cruise control. Very useful if continually crossing the US-Canadian boarder to change the cruise control set limit.

Speed Limiter Change the top speed that the vehicle will reach before the engine automatically limits the power needed to go faster.

Coolant Temperature Warning This gauge option shows the coolant temperature in °F or °C. This information is used in warning settings to alarm when the coolant temperature limit is exceeded.

Oil Temperature Warning This gauge option shows the engine oil temperature in °F or °C. This information is used in warning settings to alarm when the oil temperature limit is exceeded.

Click here to see a complete Medium Duty Gauge Tuner Quick Start Guide