Peterbilt’s PACCAR engines define reliability, durability and low cost of ownership.
The 6.7-liter PACCAR PX-7 engine delivers superior performance, minimizes operational costs and maximizes uptime for medium-duty customers. Reduced maintenance, long service intervals and excellent fuel efficiency add up to a superior lifetime value. The PACCAR PX-7 is available in horsepower ratings from 200 to 360 hp and offers up to 800 lb-ft of torque.
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The 8.9-liter PACCAR PX-9 engine has one of the highest power-to-weight ratios in its class, with heavy-duty features like replaceable wet liners, roller cam followers, bypass oil filtration and targeted piston-cooling. Available in both medium- and heavy-duty configurations, this engine delivers 260 - 450 hp and up to 1,250 lb-ft of torque with the durability and efficiency needed to lower operating expenses, reduce maintenance and increase productivity.
The PACCAR MX-11 engine provides ideal performance, weight savings and fuel efficiency for a wide range of applications, including regional haul, tanker, bulk haul, construction and refuse. The 10.8-liter engine has an output of up to 430 hp and 1,650 lb-ft. of torque. The PACCAR MX-11 is a technologically advanced engine designed and manufactured to deliver the highest levels of quality, durability, performance, reliability, efficiency and overall return.
The PACCAR MX-13 combines maximum power with outstanding fuel efficiency to optimize performance in virtually any application with an output of up to 510 hp and 1,850 lb-ft. of torque. With a B10 design life of one million miles, the PACCAR MX-13 features innovative designs that contribute to reliability and durability and result in an overall low cost of ownership. The distinctive MX-13 crankshaft reduces weight and increases power for quicker acceleration and smoother overall operation. BROCHURE
Whether you’re hauling 80,000 pounds through the Rockies or you’re an expedited shipper committed to delivering on a moment’s notice, you need a big-bore X15-liter engine to get the job done. The X15 Efficiency Series will deliver best-in-class fuel economy on those kinds of runs, with up to 500 hp and 1850 lb-ft torque. The X15 500 is the ultimate package, pleasing drivers and accountants alike, and can be expected to drive our industry-leading resale value to even greater heights down the road. BROCHURE
The X15 Performance is optimized to deliver the power to get you past traffic and over the next hill with 485 to 605 hp and 1650 to 2050 lb-ft of peak torque. That is more than enough to get you off the line, down the road, and up the steepest hill. But what’s really impressive is what happens when you crest the hill and take your foot off the accelerator. That’s when the most powerful engine brake in the industry kicks in, and you just ease on down the road. BROCHURE
