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The New Standard of Versatility The Mack Keystone is built to handle demanding vocational tractor work. Designed with higher ground clearance and rugged construction, Keystone delivers the strength, maneuverability, and durability needed for unpredictable jobsites and heavy hauling applications. Built stronger so you dominate the jobsite longer. Exterior features LED lighting Forward Pedestrian Detection Heavy-Duty…
The New Standard of Versatility The Mack Keystone is built to handle demanding vocational tractor work. Designed with higher ground clearance and rugged construction, Keystone delivers the strength, maneuverability, and durability needed for unpredictable jobsites and heavy hauling applications. Built stronger so you dominate the jobsite longer. Exterior features LED lighting Forward Pedestrian Detection Heavy-Duty…
The Mack Keystone is built to handle demanding vocational tractor work. Designed with higher ground clearance and rugged construction, Keystone delivers the strength, maneuverability, and durability needed for unpredictable jobsites and heavy hauling applications.
Built stronger so you dominate the jobsite longer.
13 liter
540 hp max
1,950 lb-ft torque max
Exterior features
LED lighting
Forward Pedestrian Detection
Heavy-Duty Flared Frame Rails
Electropneumatic braking system
Electropneumatic Braking System
Downview Mirror Camera
Construction-Grade Frame
Galvanized Steel Cab
Frontal Collision Mitigation and Rollover Support
Interior features
Spacious Cab with 9 Inches of Added Width
Flat-Bottom Steering Wheel with Multifunction Controls
Ergonomic Dashboard with 12-Inch Mack CoPilot™ Display
Mack Protect Safety Suite
Advanced Automatic Climate Control
Standard Wide-Base and High-Back Seat
Enhanced Interior Storage and Overhead Compartments
Back-Up Camera System
Mack Integrated Uptime Suite
Our relationships with our trusted financing partners ensure that you get the financing that meets your needs.



8
540 HP
1950
12'6” and 13'6” overall height with available roof fairing.
13'6” overall height with available roof fairing.
13'6” overall height with available roof fairing.
12'6” and 13'6” overall height with available roof fairing.
13'6” overall height with available roof fairing.
13'6” overall height with available roof fairing.
12- and 13-speed direct and overdrive
13-speed OD for Dynamic Overdrive
13-speed creeper and multi-speed reverse available
14-speed ultra-low creeper and multi-speed reverse available
5-and 6-speed
12-speed direct and overdrive
13-speed OD for Dynamic Overdrive
13-speed creeper and multi-speed reverse available