STEINBAUER application Application in development

Miller Nitro 5345

8.9L Cummins QSL Tier 4i

A STEINBAUER application is currently in development for the Miller Nitro 5345 8.9L Cummins QSL Tier 4i. Register your interest and STEINBAUER UK can contact you when development and final validation are complete.

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 321 BHP
STEINBAUER 384 BHP
+63 BHP

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
Miller
Model
Nitro 5345
Engine
8.9L Cummins QSL Tier 4i
Displacement
8,900 cc
Steinbauer specification

STEINBAUER Module details

Part number
in prep.
Installation
To confirm
Availability
In development
Engine management
Factory ECU retained
Module Warranty (3 years upon registration)
1 year
Power and torque upgrade

Miller Nitro 5345 tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a Miller Nitro 5345 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 321 BHP to 384 BHP.

If you are searching for a Miller Nitro 5345 tuning module, this page contains the compatible STEINBAUER part number, installation information, performance figures and available accessories for this exact application.

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Related Miller applications

View all Nitro 5345 applications →
Part 230113 Miller Atlas 3654 8.9L Cummins QSL Tier 3 365 → 456 BHP View application → Part 230045 Miller Condor GC40 6.7L QSB Tier 3 240 → 288 BHP View application → Part 230045 Miller Condor GC75 6.7L Cummins QSB Tier 3 275 → 330 BHP View application → Part 220800 Miller Nitro 4275 6.7L Cummins QSB Tier 3 275 → 343 BHP View application → Part 220188 Miller Nitro 4315 7.2L OM926LA 315 → 378 BHP View application → Part 220800 Miller Nitro 4333 8.3L Cummins QSC Tier 3 304 → 380 BHP View 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.