STEINBAUER application Application in development

Caterpillar 973D SH

8.8L CAT C9 ACERT

A STEINBAUER application is currently in development for the Caterpillar 973D SH 8.8L CAT C9 ACERT. 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 263 BHP
STEINBAUER 329 BHP
+66 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
Caterpillar
Model
973D SH
Engine
8.8L CAT C9 ACERT
Displacement
8,800 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

Caterpillar 973D SH tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a Caterpillar 973D SH 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 263 BHP to 329 BHP.

If you are searching for a Caterpillar 973D SH 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 Caterpillar applications

View all 973D SH applications →
Part in prep. Caterpillar 216B Series 3 Skid-Steer 2.2L CAT C2.2 47 → 59 BHP View application → Part in prep. Caterpillar 226B Series 3 Skid-Steer 2.2L CAT C2.2T 56 → 71 BHP View application → Part in prep. Caterpillar 226D Skid-Steer 2.2L CAT C2.2 CRDI 66 → 82 BHP View application → Part in prep. Caterpillar 232D Skid-Steer 2.2L CAT C2.2 CRDI 66 → 82 BHP View application → Part 220886 Caterpillar 236D Skid-Steer 3.3L CAT C3.3B DIT 74 → 93 BHP View application → Part 220886 Caterpillar 242D Skid-Steer 3.3L CAT C3.3B DIT 74 → 93 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.