PowerSpec Web is now available and includes 2021 Engine information!

Cummins PowerSpec Web is an accessible website resource for complete powertrain spec’ing for Cummins engines in the on-highway market. PowerSpec Web along with the original PowerSpec PC-based software allows the tailoring of Cummins engines in every on-highway engine application.

PowerSpec Web supports all North American On-Highway Cummins products including Diesel and Natural Gas and is expanding globally.

The new site can be accessed at https://www.powerspecweb.cummins.com

(Note that first-time users will be required to create an account by clicking on the "Sign In" button at the top-right corner of the screen)

Features include a gearing calculator, complete descriptions of electronic features with video content, instructions on how to optimize parameter settings, additional resources that help with the spec’ing process and access to trip information and fault code data. It also supports fault codes and trip information on all On-Highway Products.

PoweSpec Web functionality will be updated monthly to help streamline the spec'ing process with Cummins products.

PowerSpec PC

PowerSpec PC is a software tool still required to connect to engines that can be downloaded, at no charge, to any PC running Windows 7 SP1, Windows 8.1 or Windows 10. Windows 7 will not be supported after June 2020.

PowerSpec PC Website Link:  http://www.powerspec.cummins.com

An INLINE 7 adapter cable - available for order at the Cummins PowerStore or through your Cummins distributor – is recommended to communicate with and gear your vehicle, configure electronic features, and read engine data. *PowerSpec works with most RP1210 compliant adapters.


o   INLINE 5
o   INLINE 6
o   Noregon DLA+
o   Noregon DLA+ PLC
o   Noregon Wireless
o   NEXIQ Technologies USB-Link
o   Dearbon DPA 4
o   Dearbon DPA 5
o   Grandview Engineering
Please note:
Licensing: PowerSpec PC does not require a license to connect to a vehicle, read data, or use the gearing calculator. A license is only required to write changes to the adjustable features.
It offers users:
• The ability for authorized users to spec their own feature and parameter settings
• Gearing recommendations for specific engines and applications
• The ability to read and reset trip information
• The ability to read and reset any fault codes that have been logged.


For further details, please contact your local distributor.