Custom Mack trucks made easy

Factory-engineered customization.
Fully integrated support.

The Mack Customer Adaptation Center (CAC) is where custom requirements become factory-engineered, production-ready solutions—seamlessly integrated into your Mack truck order.

Located alongside our Lehigh Valley Operations plant in Pennsylvania, the CAC brings together dedicated engineers, factory-trained technicians, and support teams who specialize in building customized Mack trucks backed by full Mack warranty and service support.

When you combine CAC engineering with Mack’s network, services and technology ecosystem, you get one partner for the entire lifecycle of your truck.

Custom Solutions

Discover a sampling of the many tailored Mack truck adaptations available.

Built to solve your challenges end-to-end

Factory integration for maximum uptime

CAC adaptations are reviewed, engineered and documented within Mack systems—ensuring clean diagnostics, full service visibility and uninterrupted uptime support across the Mack network.

Purposeful customization for every application

From heavy vocational to regional haul, CAC supports complex, low-volume and specialized adaptations that enable fleets to run the exact configuration their work demands.

One build. One invoice. One accountable partner.

Every adaptation flows through your single Mack truck order. No hand-offs, no multiple transportation steps, no aftermarket uncertainty—just a fully integrated build ready to go to work.

Backed by the full Mack ecosystem

Dealer service tools, parts support, telematics visibility, engineering documentation, and warranty coverage are all aligned. CAC isn’t aftermarket—it’s part of your Mack total solution.

See what’s possible.

From complex axle configurations to specialized vocational integrations, the Mack Customer Adaptation Center delivers factory-engineered solutions tailored to the work your truck is built to do.

Ready to customize?

Work with the Mack Customer Adaptation Center to turn specialized requirements into factory-engineered solutions—fully integrated into your Mack truck order and backed by the Mack ecosystem.

Learn more

Get the full picture of how the Customer Adaptation Center delivers custom axle, chassis, driveline and vocational solutions as part of Mack’s total transportation offering.

Download the brochure  

Contact us

Connect with the Customer Adaptation Center to confirm availability by model or discuss a specific application.

Email the CAC team