Increase HP/TQ, Save Gallons of Fuel Per Hour and Finish Work Faster!!
HDT-JDPG3 Hand Held Flash Tuning Tool
Our revolutionary tuning tool allows the owner/operator to control programming for equipment.
No more costly down time waiting on your engine computer to be re-flashed and returned. This method allows you to return the machine back to stock at any time for service work and does not leave any trace or fingerprint in the computer.
Increase power, gain the ability to up shift gears and pull larger attachments
and start saving fuel today!


This user friendly touch screen flash tuner allows you to read the information from the engine computer using the diagnostic connector located in the cab and takes only minutes to complete. Once the stock engine tune file has been read you can now unplug the tool and continue operating the machine as normal. We specifically engineer a very easy to use communication program that allows you to connect your programmer to a windows enabled computer and read the stock tune file from the programmer and email to us for upgrades.
SUPPORTED ECM’s - L3, L6, L9, L10, L11, L12 L14, L15, L16, L21, L22, L23 & L33 If you have a different ecm number than these then the HDT-JDPG3 tuner will not work on your machine. IF you do not know what model ECM you have, please send a picture of the ecm and also a clear picture of the computer tag with year and model to info@heavydieseltuner.com

HDT PLUG IN ADJUSTABLE POWER MODULES
HDT-90T4r - 9.0L Tier 4 Engine Performance Unit
Plug in style performance and fuel economy increasing module. This unit is adjustable from 60, 80, 100 or 120 additional Horsepower and connect directly into the injector wiring harness. This allows our unit to control injector function such as injected quantities and timing for maximum power gain without the risk of overheating the engine like other brands! Factory style weather proof connections provide fast and trouble free installation for years of reliable service.
All products are backed with a 2 year warranty!

HDT-81/90T3 - 8.1L & 9.0LModule Tier 3 Engines

Unlike the HDT-CR5 module this unit will also connect to the injector harness and will allow more power increase and also will gain the most in fuel savings. This unit is adjustable from 60, 80, 100 or 120 additional Horsepower and connects directly into the injector wiring harness. This allows our unit to control injector function such as injected quantities and timing for maximum power gain without the risk of overheating the engine like other brands! Factory style weather proof connections provide fast and trouble free installation for years of reliable service.
All products are backed with a 2 year warranty!