STEINBAUER application

Steyr 4065 Kompakt S

3.4L Tier 4A

STEINBAUER performance module for the Steyr 4065 Kompakt S 3.4L Tier 4A, 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 64 BHP
STEINBAUER 80 BHP
+16 BHP
Torque (Nm)
600 1,000 1,400 1,800 2,200 Nm Engine speed (RPM)
Illustrative agricultural engine-speed curve
Standard 275 Nm
STEINBAUER 343 Nm
+68 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
Steyr
Model
4065 Kompakt S
Engine
3.4L Tier 4A
Displacement
3,400 cc
Steinbauer specification

STEINBAUER Module details

Part number
230046
Installation
Plug-in
Availability
Available
Engine management
Factory ECU retained
Module Warranty (3 years upon registration)
1 year

Installation guides

Installation instructions for STEINBAUER part number 230046 .

Login required. Installation guides are available to registered STEINBAUER customers, dealers and administrators.
230046 PDF installation guide · EN Login to download
Power and torque upgrade

Steyr 4065 Kompakt S tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a Steyr 4065 Kompakt S 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 64 BHP to 80 BHP, with torque increasing from 275 Nm to 343 Nm.

If you are searching for a Steyr 4065 Kompakt S 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 Steyr applications

View all 4065 Kompakt S applications →
Part 230046 Steyr 4055 Kompakt S 3.4L Tier 4A 58 → 71 BHP View application → Part 230046 Steyr 4075 Kompakt 3.4L Tier 4A 74 → 91 BHP View application → Part 230222 Steyr 4080 Kompakt 3.6L FPT Stage V 79 → 98 BHP View application → Part 230222 Steyr 4080 Plus 3.6L FPT Stage V 79 → 98 BHP View application → Part 230046 Steyr 4085 Kompakt 3.4L Tier 4A 84 → 106 BHP View application → Part 230222 Steyr 4090 Kompakt 3.6L FPT Stage V 89 → 110 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.