MACK’S BIG TITAN
Mack Trucks says its bold-looking new Titan is the most powerful truck in the company’s 108-year history. Aimed at heavy freight and construction applications, it’s powered by the new Mack MP10 engine, a 16-liter motor with a top rating of 605 hp and a massive 2060 lb ft of torque. It’s also claimed to have “excellent visibility… and driver comfort,” and Mack is quick to note that it’s a big-block, long-hood, heavyweight machine along the lines of the RW Super-Liner.
You can order one now but don’t hold your breath: deliveries aren’t scheduled to begin until “late this year”.
The truck’s ‘Cornerstone’ chassis, tested and refined on Mack’s Granite model vocational truck, offers high ground clearance and the cab has been moved back and up on the frame in the classic heavy-haul position. An added benefit of the higher cab position is improved air flow for underhood cooling. The chassis is offered in three frame-rail thicknesses – 8, 9.5 and 11mm – with optional full or partial 5mm inside-channel reinforcements and application-specific crossmembers. Frames are rated at 120,000 psi and 2.12 million to 4.26 million rbm (lbs in.). A short 41-in.h front axle position increases load capacity, while providing for maneuverability in tight conditions. Along with the high ground clearance, that gives drivers an approach angle well suited to the sharp inclines and uneven terrain found in logging and construction work.
Front axles and suspensions are available from 12,000- to 20,000-lb capacity, while rear axles and suspensions are offered from 38,000- to 65,000-lb capacity.
The new MP10 engine at the heart of things is certified to EPA ’07 emission standards, an inline six with single overhead cam and high-pressure fuel injection. It will be available in three ratings, with peak horsepower of 515, 565 and 605 hp, all with the MaxiCruise torque rise. Maximum torque ranges from 1860 to 2060 lb ft at 1200 rpm.
The Titan’s cooling system is sized to handle the heaviest demands and the harshest conditions found in North America, Mack says.
The MP10 is matched to the triple-countershaft Mack T300ES series 10-, 13- and 18-speed transmissions, while Eaton transmissions are an available option.
You can’t miss the Titan’s twin cowl-mounted ‘Growler’ air intakes with their size and bright finish, but they’re said to be as functional as they are eye-catching, with advantages over external air-cleaner assemblies. The system’s design is said to minimize moisture and screen debris from reaching the air-filter element. And the air filter elements are located under the cab for easy service.
Other features include: impact-resistant Lexan headlight lens and easy-to-replace lamps; chrome horns; stainless steel sun visor, available in 10- and 13-in. widths (in Rawhide Edition); and large 6-in. dual exhaust stacks, outboard mounted behind the cab.
The cab is mounted on twin wide-spaced air bags with shocks, while stabilizers prevent cab sway. Inside, it has many features aimed at reduced noise and vibration The air-assist clutch pedal is positioned low to minimize leg effort. And the steering column can be adjusted to an infinite number of positions for maximum comfort, increased belly room, and an easy sight line to all gauges.
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