Which STEINBAUER module fits my Caterpillar 521B?
Choose the exact engine or variant and original power output shown on this page. Each application links to the matching STEINBAUER part number and application details.
Caterpillar 521B Power Modules & Tuning
STEINBAUER offers a published performance application for the Caterpillar 521B with the 8.8L CAT C9 ACERT. Published power increases from 300 HP to 361 HP, with torque increasing from 1,500 Nm to 1,875 Nm. The matching STEINBAUER part number is in prep.. Open the application below for installation information and ordering options.
1 published applicationCaterpillar 521B engine and power variants
Caterpillar 521B STEINBAUER performance options
This page brings together the published STEINBAUER applications for the Caterpillar 521B. The published application is for 8.8L CAT C9 ACERT and increases power from 300 HP to 361 HP. Published torque rises from 1,500 Nm to 1,875 Nm. The matching STEINBAUER module is part in prep.. Each application page provides the compatible part number, installation information and published power and torque data where available.
Caterpillar 521B FAQs
Does STEINBAUER remap the Caterpillar 521B ECU?
No. The STEINBAUER performance module works alongside the original engine management system rather than reprogramming the factory ECU software.
How much additional power is available for the Caterpillar 521B?
The published application increases power from 300 HP to 361 HP.
Can I order the Caterpillar 521B STEINBAUER module online?
Where online ordering is available, the exact application page shows the compatible product and purchasing options. If you are unsure which application matches your machine or vehicle, contact STEINBAUER UK before ordering.