STEINBAUER application

John Deere T660

9.0 Tier 3B

STEINBAUER performance module for the John Deere T660 9.0 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 366 BHP
STEINBAUER 457 BHP
+91 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
John Deere
Model
T660
Engine
9.0 Tier 3B
Displacement
9,000 cc
Steinbauer specification

STEINBAUER Module details

Part number
220632
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 220632 .

Login required. Installation guides are available to registered STEINBAUER customers, dealers and administrators.
220632 PDF installation guide · EN Login to download
Power and torque upgrade

John Deere T660 tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a John Deere T660 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 366 BHP to 457 BHP.

If you are searching for a John Deere T660 tuning module, this page contains the compatible STEINBAUER part number, installation information, performance figures and available accessories for this exact application.

Explore more

Related John Deere applications

View all T660 applications →
Part 240133 John Deere T660 6.8L PowerTech PSS Stage V 334 → 417 BHP View application → Part 220100 John Deere T660 9.0 349 → 436 BHP View application → Part 220687 John Deere T660 9.0L 6090H Tier 4F 321 → 401 BHP View application → Part 230121 John Deere T660 9.0L 6090H Tier 4F 321 → 401 BHP View application → Part 220028 John Deere 1010D Forwarder 4.5 DE 118 → 141 BHP View application → Part in prep. John Deere 1010E 4.5L PowerTech Plus 4045 Tier 3 156 → 194 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.