Big Hoss® Diesel Tuner

Banks Big Hoss Diesel Tuner pours on the Cummins power and delivers a host of benefits and built-in safety features:

  • Does not require a T-tap on the pump wire
  • Adds up to +70 hp and +180 lb-ft with recommended airflow improvements
  • Fully compatible with DynaFact electronic gauges
    • If a pyrometer is used, tuner will automatically be enabled with a Temperature Limiting Control feature to keep exhaust gas temperatures in a safe range
  • Built-in torque converter clutch protection
    • When signal is delivered to lock the torque converter, additional fuel delivery is momentarily de-rated to eliminate clutch slippage
  • Incorporates a mission-critical safety-circuit design that functions as an engine and transmission watchdog. The built-in self-diagnostics ensure that the device has no negative effect on the vehicle's electronics.
  • Competitively priced

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ApplicationYear RangePart #
BigHoss Diesel Tuner
1998 1/2-00 Dodge 5.9L
Emissions compliant: CARB E.O. D-161-94
1998-00 62781
BigHoss Diesel Tuner
Dodge 5.9L
Emissions compliant: CARB E.O. D-161-94
2001 62782
BigHoss Diesel Tuner
Dodge 5.9L
Emissions compliant: CARB E.O. D-161-94
2002 62783

Owners Manual(s)

Tuner- Big Hoss Diesel Tuner (connects to pump wire) Tech_icon Download
Tuner- Big Hoss Diesel Tuner (does not connect to pump wire) Tech_icon Download

You ‘Walk the Walk’ Not Just ‘Talk the Talk.’ You ROCK!!


Bob of Page, Arizona, installed a Monster Exhaust system, Power Elbow, Big Hoss Diesel Tuner and a High-Ram air-inlet casting on an ’01 5.9L Cummins 24-valve turbo-diesel

I was driving a ‘66 Dodge pickup for 15 years. I finally got an 01' Dodge Turbo Cummins 2500 4-By...Used, but perfect!…white…beautiful! Stock, this truck was awesome. I say was, because with the Banks stuff I put's now a freakin' "Beast." I Love My truck!!! You guys at Banks no doubt "Walk the Walk"...not just "Talk the Talk." You ROCK!!

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… premier home of turbocharged vehicles and engines of all types, Banks Engineering. Everything is done with state-of-the-art engineering as the first consideration.