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FAR FROM HOME. NEVER ALONE. 

Over 460 locations with 15,000 skilled service providers nationwide. That's the comprehensive support you can count on in a Mack.

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OneCall Complete Care

Mack Customer Service

OneCall™ proves that nothing slows down a Mack® truck. Dedicated Mack dealers are available to deliver round-the-clock roadside assistance and diagnose problems with your truck before they happen. Mack cares for you so you can take care of your customers.

GuardDog Connect

GuardDog Connect Mack Truck

GuardDog® Connect delivers a copilot dedicated to protecting you on the road. Using real-time diagnostics and monitoring, GuardDog Connect detects issues facing your vehicle and instantly calls it in for analysis—usually before the driver even knows there’s an issue.