Old-school grit.
Uncompromising comfort.

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Built to shoulder the load.

Durable, reliable, proven—Pinnacle’s tough components and rugged engineering make it a workhorse on the highway.

Advantage™ Chassis

Advantage™ chassis frame rails support heavy loads, even on challenging terrain.

Axle-Forward Cab

Forward axle position spreads the load to maximize your payload.

Engineered Stable

A low center of gravity offers unstoppable stability.


On-road, off-road, every road.

From heavy loads to steep grades to long hauls, Pinnacle is up to whatever challenges the job throws your way.

Pinnacle’s chassis provides clean wheel cuts for quick maneuvering.

High ground clearance for taking Pinnacle off-highway.


Comfortable from start to finish.

Pinnacle’s fully redesigned cab and driver environment are built around the way work gets done on the road, keeping drivers comfortable, safe and focused all day long.

Spacious Cab

Generous headroom lets drivers stand up comfortably in the cab and sleeper.

Premium Seating

Mack-exclusive seats provide unmatched comfort.

Instrument Panel

Easy-to-reach controls reduce driver fatigue and increase productivity.

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