STEINBAUER application

Fendt Rogator RG934H

8.4L AGCO Power 84LFTN-D4 Tier 4F

STEINBAUER performance module for the Fendt Rogator RG934H 8.4L AGCO Power 84LFTN-D4 Tier 4F, 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 370 BHP
STEINBAUER 469 BHP
+99 BHP
Torque (Nm)
600 1,000 1,400 1,800 2,200 Nm Engine speed (RPM)
Illustrative agricultural engine-speed curve
Standard 1,600 Nm
STEINBAUER 1,920 Nm
+320 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
Fendt
Model
Rogator RG934H
Engine
8.4L AGCO Power 84LFTN-D4 Tier 4F
Displacement
8,400 cc
Steinbauer specification

STEINBAUER Module details

Part number
220812
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 220812 .

Login required. Installation guides are available to registered STEINBAUER customers, dealers and administrators.
220812 / 220900 PDF installation guide · EN Login to download
Power and torque upgrade

Fendt Rogator RG934H tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a Fendt Rogator RG934H 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 370 BHP to 469 BHP, with torque increasing from 1,600 Nm to 1,920 Nm.

If you are searching for a Fendt Rogator RG934H 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 Fendt applications

View all Rogator RG934H applications →
Part 230115 Fendt 1038 12.4L Tier 4 / Tier 4F 390 → 487 BHP View application → Part 230115 Fendt 1042 12.4L Tier 4 / Tier 4F 429 → 536 BHP View application → Part 230115 Fendt 1046 12.4L Tier 4 / Tier 4F 469 → 586 BHP View application → Part 230115 Fendt 1050 12.4L Tier 4 / Tier 4F 510 → 637 BHP View application → Part 220811 Fendt 1149MT 16.8l AGCO Power Tier 4F 451 → 563 BHP View application → Part 220811 Fendt 1154MT 16.8l AGCO Power Tier 4F 489 → 612 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.