On the road or at the jobsite, you need a partner you can trust.
With quality parts and 24/7 comprehensive service and support, we’re committed to keeping our trucks on the road.
Our powertrain components are designed to work together for optimum performance, increased fuel efficiency and lower maintenance costs.
Be part of the Mack Community to stay on top of new information from America’s truck company and to find out how other members of the Community handle the challenges the road throws at them.
We've partnered with the leading natural gas engine manufacturer—Cummins Westport—to bring you one of the cleanest heavy-duty 100% natural gas engines on the market today. The ISX12 G offers high power-to-weight ratio for use in the Mack® Pinnacle™ Axle Back.
Integrated with the muffler, this maintenance-free device provides consistent emissions control performance to help your bottom line.
The ISX12 G is fully compliant with On-Board Diagnostics requirements, and meets 2017 U.S. Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) greenhouse gas and fuel-economy regulations.