![]() It is suited for dump, flatbed, and lowboy use. The Pinnacle has the high ground clearance, strong chassis, and available components for on/off-road construction. It is available with a sleeper but it is commonly used as a day cab for local and regional hauling, where local laws and conditions restrict length or affect weight distribution. The Pinnacle's set-forward front axle and high rectangular grille make it high drag and not well-suited for long-distance hauling. Vendor spring and air-ride axle/suspension combinations are rated up to 40,000 pounds (18,000 kg). This has multiple leaves mounted above the bogey pivot which curve down and under the axles. The Camelback tandem (two powered axles) was offered in earlier models. It has trailing arms that fork to the rear and attach to both the top and bottom of the axle. With the higher level above the ground the driveshafts and u-joints are less prone to dirt and damage, important in on/off-road construction. This lets the driveshafts be in line from the transmission to and between the axles at a higher level above the ground. Mack powered axles have the drive carrier on top of the housing. Front air disc brakes are available.įront axles are available with 12,000 or 14,000 pounds (5,400 or 6,400 kg) rating. Meritor supplies S-cam air brakes, steering systems, driveshafts, and other components. Wheelbases are from 166 to 247 inches (420 to 630 cm) The base rear suspension is a Mack tandem (two powered axles) but other axle/suspension combinations are available. The set-back axle version was replaced by the Anthem in 2017. The front axle is set forward on semi-elliptical leaf springs. The RDS is a fully automatic planetary gear transmission with a lock-up torque converter.Ī ladder frame with beam axles is used. Other Mack manual transmissions have 8-18 speeds.įuller UltraShift™automated shifting systems are available on all transmissions from 9- to 18-speeds.Īllison RD series 6-speed transmissions is available. The driver can override it but it is normally driven in "D". It has no clutch pedal and shifts itself on demand. Mack mDRIVE™ automated manual is the base transmission. Allison transmissions are available as fully automatic only. Both Mack and Fuller have manual and automated shifting models. Transmissions Īll Mack transmissions have aluminum cases and three counter-shafts. The Mack MP8 is a 783 cubic inches (12.8 l) overhead cam turbocharged inline six-cylinder engine. The Mack MP7 is a 659 cubic inches (10.8 l) overhead cam turbocharged inline six-cylinder diesel engine. The MP8 is currently the only engine available in the Pinnacle. When introduced for 2006 the Pinnacle used the new MP7 engine, the MP8 was available in 2007. Total loaded weight can be up to 62,000 pounds (28,000 kg) and over 80,000 pounds (36,000 kg) including trailers. Trucks can also be custom-designed with vendor components. Mack builds most of their components (engines, transmissions, and axles) to work together. It uses radar and cameras to provide emergency braking, lane departure, and blind spot warnings. In 2019 a new generation Bendix Wingman Fusion was available in the Anthem. Roof fairing, side shields, and skirts aerodynamic aids are offered.Īdvanced electronics are used for engine and chassis controls, as well as maintenance. Designed for local and regional use it usually has a day-cab but five sleepers, from a 48 inches (1,200 mm) flat top to a 70 inches (1,800 mm) hi-rise, are available. The Pinnacle is a long-hood conventional semi-tractor. Mack assembles the Pinnacle in its Lehigh Valley Operations facility in Macungie, Pennsylvania. Marketed primarily as a highway tractor, the Pinnacle is sold in a set-forward front-axle configuration (the set-back axle version has been replaced in the United States and Canada by the Mack Anthem). Currently, the product line is sold in the United States and Canada in Venezuela and Peru, the Pinnacle is marketed as the Mack Vision Elite. Introduced in 2006, the Pinnacle is the successor of the Mack Vision. The Mack Pinnacle is a series of heavy duty ( Class 8) trucks produced by Mack Trucks. ![]()
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