T590 Two-Speed Single Drive Axles


The T590 Double Reduction Drive Axles offer versatile power in a full line of two-speed models. With the strongest axle housing box section in its class as well as a broad ratio range from 4.75 through 10.90:1, the T590 Series is ideal for medium- and heavy-duty applications from 46,000 to 70,000 lbs. GAWR, including construction, heavy-haul, logging, oil field, refuse, and other demanding vocational applications.

Key Features

  • Extra wide face-width gearing 
  • High-capacity gearing and bearing systems
  • Integrated ring gear and wheel differential mounting system eliminates bolted joints
  • Heat-treated steel differential cases
  • Heavy-wall housings
  • Larger wheel differential gearing



  • Industry-leading hub system technology
  • Reduced maintenance and improved reliability
  • Increased efficiency and lower life cycle costs

Wheel Differential Lock

  • Driver-controlled, for maximum traction on slippery surfaces    
  • Increased stability improves operator safety
  • Can be retrofitted on certain models
  • Available on both forward and rear axle

Central Tire Inflation System

  • Maximum mobility on a variety of terrains
  • Enhanced efficiency extends tread life
  • Reliable performance for better ride and reduced maintenance

Carrier Integrated Retarder Mount

  • Increased strength    
  • Improved brake performance
  • Reduced complexity

Lube Pump

  • Spin-out protection    
  • Lower operating temperature

Patented Axle Breather Design

  • Unrestricted air flow    
  • No maintenance feature

Pinion Cage

  • Adds strength    
  • Eliminates leak paths


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