Axle Technology

PACCAR Axle (40K) –
Industry’s Lightest Axle

Innovative laser welded design reduces vehicle weight by up to 150 lbs


Improved Fuel Efficiency


Fuel Economy Improvement

  • Pinion thru-shaft Design
  • Reduced Churning Losses
    • Low  Angle Spiral Gearing
    • Laser Welded Differential



Proprietary Design Elements

undefinedLaser Welding

  • Flange to Ring Gear
  • Differential Case Housing


  • Eliminates Fasteners
  • Reduces Weight
  • Improves Design Rigidity
  • Reduces Oil Churning Losses

Inter-axle Differential

  • Hollow Pinion Design
    • Simplifies Power Distribution
    • Increases Efficiency
    • Unique to the Industry
  • Optimized Forward Carrier Eliminates Additional Gearing
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