Peterbilt Axles

Fuel-efficient performance. Powered by Quality.

  • The PACCAR axle provides robust performance, improved fuel economy and weight reduction benefits. The new PACCAR 40,000 pound tandem drive axle is now standard for Peterbilt Model 579s powered by PACCAR MX engines. Learn more about PACCAR Axles.

PACCAR Tandem Drive Axle

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  • Browse the PACCAR Axle features below or download the complete brochure.


Attention to detail through the integration of systems and the use of the highest quality materials result in long-term customer value. The PACCAR axle features a laser-welded design and simplified power distribution to streamline the product and improve efficiency.

    • Performance

      The PACCAR tandem drive axle is designed for optimized performance. The axle combines durable materials with quality design to achieve torque ratings up to 1,750 lb-ft to deliver heavy-duty Peterbilt performance.

Fuel Efficiency

Excellent fuel economy is achieved through a weight reduction of up to 150 pounds.

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