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Full Drivetrain System Solution for Engine Downspeeding.

SPL 350 DriveshaftAs fuel economy and greenhouse gas standards become more stringent, the need for engine downspeeding is becoming increasingly important. Running an engine at lower RPMs, however, can generate significantly higher torque stresses in your vehicle’s drivetrain. That’s where the SPL® 350 driveshaft comes in.

Together with the AdvanTEK 40 tandem axle, SPL 350 driveshafts are part of an overall powertrain solution that lets you achieve the downspeeding you’re looking for without sacrificing efficiency or placing additional stress on your drivetrain.

The SPL 350 driveshaft:

  • Withstands the increased stresses that engine downspeeding can place on high-efficiency on-highway trucks. 
  • Offers the same original-equipment quality you have come to expect from Dana-backed Spicer products.

Get an innovative solution that eliminates restrictions on engine speeds and torque and supports the fastest axle ratios in today’s vehicles.

The Most Robust Heavy-Duty Driveshaft in Its Class.

SPL 350 driveshafts feature:

  • SPL 350 U-Joint ExplodedHigh Power Density™ design
    • Twice the bearing life as the competition 
  • The highest torque-carrying universal joint in the industry
    • 40% more than their nearest competitor 
  • Optional service-free design
    • For more maintenance and life cycle benefits

SPL 350 driveshafts are part of a full-system solution for engine downspeeding.

Learn how you can spec the right engine downspeeding parts from one source—talk with a Spicer parts representative near you today.