STEINBAUER application

Challenger TerraGator TG8400 Power Module

8.4L Sisu 84CTA Tier 4i

STEINBAUER performance module for the Challenger TerraGator TG8400 8.4L Sisu 84CTA Tier 4i, designed to provide increased power and torque while retaining the original ECU programming and factory engine safeguards.

Key benefits

  • Up to +25% power and torque increase, depending on application.
  • No ECU software overwrite — the STEINBAUER system works alongside the original engine management.
  • Injection duration module developed to add performance without generic one-size-fits-all mapping.
  • Removable solution that can be removed if required.
  • Application-specific development for the individual engine and vehicle or machine application.
STEINBAUER Performance comparison
Power (BHP)
600 1,000 1,400 1,800 2,200 BHP Engine speed (RPM)
Illustrative agricultural engine-speed curve
Standard 393 BHP
STEINBAUER 491 BHP
+98 BHP
Torque (Nm)
600 1,000 1,400 1,800 2,200 Nm Engine speed (RPM)
Illustrative agricultural engine-speed curve
Standard 1,540 Nm
STEINBAUER 1,925 Nm
+385 Nm

STEINBAUER Technology

  • External ECU technology — Works alongside the original engine management system without permanently rewriting the factory ECU software.
  • Load-dependent performance — Additional power and torque are delivered progressively as engine demand increases.
  • Application-specific calibration — Developed specifically for the individual engine and application rather than using a generic universal setting.

Illustrative simulated performance graphic based on published application data. Curves are illustrative and are not measured dyno traces.

Vehicle specification

Vehicle details

Manufacturer
Challenger
Model
TerraGator TG8400
Engine
8.4L Sisu 84CTA Tier 4i
Displacement
8,400 cc
Steinbauer specification

STEINBAUER Module details

Part number
220494
Installation
Plug-in
Availability
Available
Engine management
Factory ECU retained
Module Warranty (3 years upon registration)
1 year
Power and torque upgrade

Challenger TerraGator TG8400 tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a Challenger TerraGator TG8400 power increase without replacing the factory ECU software. The module works alongside the original engine management system and can be removed to return the vehicle or machine to its standard configuration.

For this application, published performance data shows power increasing from 393 BHP to 491 BHP, with torque increasing from 1,540 Nm to 1,925 Nm.

If you are searching for a Challenger TerraGator TG8400 tuning module, this page contains the compatible STEINBAUER part number, installation information, performance figures and available accessories for this exact application.

Why choose STEINBAUER?

Intelligent performance technology

More power

Increased performance where applicable for stronger acceleration and improved working capability.

More torque

Improved pulling power throughout the usable engine speed range.

Safe and reliable

Original ECU programming and factory engine safety parameters remain active.

Removable installation

The vehicle or machine can be returned to its original factory configuration.