STEINBAUER application

McCormick X6.420

4.5L Tier 4i / Tier 3B

STEINBAUER performance module for the McCormick X6.420 4.5L Tier 4i / Tier 3B, 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 110 BHP
STEINBAUER 137 BHP
+27 BHP
Torque (Nm)
600 1,000 1,400 1,800 2,200 Nm Engine speed (RPM)
Illustrative agricultural engine-speed curve
Standard 495 Nm
STEINBAUER 618 Nm
+123 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
McCormick
Model
X6.420
Engine
4.5L Tier 4i / Tier 3B
Displacement
4,500 cc
Steinbauer specification

STEINBAUER Module details

Part number
220550
Installation
Plug-in
Availability
Available
Engine management
Factory ECU retained
Module Warranty (3 years upon registration)
1 year
Power and torque upgrade

McCormick X6.420 tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a McCormick X6.420 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 110 BHP to 137 BHP, with torque increasing from 495 Nm to 618 Nm.

If you are searching for a McCormick X6.420 tuning module, this page contains the compatible STEINBAUER part number, installation information, performance figures and available accessories for this exact application.

Explore more

Related McCormick applications

View all X6.420 applications →
Part 220824 McCormick X6.420 4.5L FPT NEF Tier 4F 113 → 141 BHP View application → Part 230028 McCormick CX 60L 3.3L Yanmar 4TNV98 58 → 72 BHP View application → Part 230028 McCormick CX 70L 3.3L Yanmar 4TNV98 70 → 86 BHP View application → Part 230028 McCormick CX 80L 3.3L Yanmar 4TNV98T 76 → 94 BHP View application → Part 230028 McCormick CX 85L 3.3L Perkins 804C-33T 82 → 101 BHP View application → Part 230028 McCormick CX 85L 3.3L Yanmar 4TNV98T 82 → 101 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.