D40-170, D46-170, D50-170 Single Reduction Heavy-Duty Tandem Axle


When optimal operation and durability are critical, the industry-proven D46-170 Single Reduction Heavy-Duty Tandem Axle is the ideal solution for construction, heavy-haul, logging, oil field, refuse, and other demanding vocational applications. With lower maintenance options such as integral welded suspension brackets, the D46-170 heavy-duty tandem axle is hard to beat.

Key Features

  • Ratio coverage from 3.07 through 7.17:1 allows maximum performance across a variety of vocations
  • Extra-wide, face-width gearing for greater strength and added durability
  • High-capacity gearing and bearing system for durability and reliability with higher horsepower/torque engines
  • Carrier integrated retarder increases strength, while reducing complexity
  • Patented axle breather design provides unrestricted air flow – a no-maintenance feature



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

Gen Tech™ Gearing

  • Axle gearing manufactured for the ultimate quiet ride with durability with significantly reduced noise, vibration, and harshness (NVH)

Wheel Differential Lock

  • For maximum traction on slippery surfaces
  • Increased stability improves operator safety
  • Can be retrofitted on certain models

Central Tire Inflation System

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

Lube Pump

  • Industry-proven design improves vehicle reliability
  • Does not require external filters or filter changes
  • Keeps gears lubricated


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