Heavy Diesel Tuner Performance Products for   JOHN DEERE 8.1 L & 9.0 L Engines

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!

John Deere performance tuning device for customers tuning their equipment
Heavy Diesel Tuner

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.

 

POWER & FUEL ECONOMY TUNER w/ 1 power file

POWER & FUEL ECONOMY TUNER - 2 power tunes  

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!

Heavy Diesel Tuner

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

Heavy Diesel Tuner

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!

HDT-CR5 - Common Rail Injection Engines (2003 and newer)

Installation is very basic for the HDT-CR5 module. You must locate and unplug the connector from the sensor. at the fuel rail. The latch must be depressed to release the connector from the sensor.

Connect the wiring harness supplied with the Power Module to both open connectors from the fuel rail sensor. Make sure both connectors ‘lock-in’, as you should hear a ‘click’ when they connect.

These units are adjustable between 15-30% power increase.

You can simply connect the HDT-CR5 module into the Harness & GO!

Heavy Diesel Tuner

HDT-B2 - Bosch EDC12x Pump (pre 2003)

Heavy Diesel Tuner

Installation is very simple and does not require any tools. Simply unplug the connector from the Back of the injection pump, connect the wiring harness supplied with the Power Module to both open ends of the factory harness and secure to the engine! The HDT-B2 Module is able to add an additional 15% or 30% more power with just a flip of a switch saving you time and money!

This unit comes with our limited lifetime warranty for years of trouble free use!