Connected Support

Your trucks are only profitable when they’re on the road and on the job. Maximize your uptime with intelligent maintenance systems and time-saving repair processes.

Over The Air (OTA) Software Updates

Wirelessly update software without disrupting your schedules, while increasing operational efficiency and uptime. Requires Mack® GuardDog® Connect.

Click here to register for OTA

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Certified Uptime Dealers

Dealers identify quick fixes and put them in the fast lane for completion, while giving larger repairs the attention they need and putting you back on the road faster.

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Preventive Maintenance

Keeps your trucks in top shape by planning a service schedule that matches the usage and miles of your vehicle, so we can repair or replace components before it impacts your business.

Mack OneCall®

Mack OneCall provides 24/7 support and roadside assistance anywhere in the U.S. and Canada. Our support staff will connect you to our network of experienced technicians and state-of-the-art Uptime Center to get you back on the road. OneCall Support Line: 1-800-866-1177


ASIST is a web-based system that compiles consistent, complete and professional estimates of service recommendations, regardless of which Mack Network dealer performs the service. ASIST gives drivers, dealers and Uptime Center staff access to all of the information they need in one place.

Mack’s Uptime Center

Our 24/7 facility is staffed by customer support specialists dedicated to helping truckers reduce—or completely avoid—costly downtime.

Diagnostic Tools

Mack offers excellent software tools to assist customers, service technicians and bodybuilders in performing their own diagnostic work on Mack trucks and components.