The MP8 engine provides the brawn while the engine and transmission controllers manage the power with an eye to fuel efficiency. Check out the video to see how Mack's two power profiles to give fleets the best of both worlds: performance or economy. Check out Part 1 here.
Ultimate Test Drive Video: Small Block, Big Load
Mack's 13-liter MP8 engine may be small in stature, but it's big on performance. It delivers 505 horsepower and 1,860 lb-ft of torque, which is more than enough to pull 138,000 lbs through the mountains on B.C.'s Vancouver Island.