It uses radar and cameras to provide emergency braking, lane departure, and blind spot warnings.
[1] Mack builds their own major components (engines, transmissions, axles, and suspensions) and promotes an integrated design.
It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine.
The Mack MP8HE engine is a variant of the MP8 with a mechanical drive behind the turbocharger in the exhaust stream.
The Cummins Westport ISX12N is a 762 cubic inches (12.5 L) overhead cam turbocharged inline six-cylinder natural gas engine.
The RDS is a fully automatic planetary gear transmission with a lock-up torque converter.
They let the fenders and bumper taper back to the tires, allowing less wind drag.
An additional on-demand electric power steering pump is operated electronically.
A very light feel and automatic return-to-center feature are useful off-road, at slow speed, and in backing.
Mack powered axles have the drive carrier on top of the housing instead of the front of it like other manufacturers.
The Twin Y air suspension has trailing arms that fork to the rear and attach to both the top and bottom of the axle.
Regional tractors usually have a day cab, short wheelbase, and are often used for fleet service.
With sleeper compartments and longer wheelbases they usually need more powerful engines than regional tractors.