Spicer® Pro-40 Tandem Axle


Engineered to meet the needs of the professional linehaul customer, the Spicer® Pro-40 Tandem Axle is specifically engineered to dramatically decrease weight and increase your bottom line. It’s 100 lbs. lighter than the nearest competitive product, and is equal in performance to the Dana DS404 in 80,000-lb. GCW applications. This lightweight product offers improved inter-axle driveline angles and is available in a popular range of ratios for the professional linehaul, regional haul, and city delivery fleets.

Key Features

  • Strong and lightweight, more than 100 lbs. lighter
  • Only 40,000-lb. tandem axle for applications up to 80,000-lb. GCW
  • High-Power Density™ (HPD™) for greater payload
  • Optimized for on-highway fleets
  • Serviceable with industry-standard parts
  • Lower installed cost and higher vehicle profit
  • Includes all necessary features with no added weight


Lube Pump

  • Industry-proven design improves vehicle reliability
  • Protects against spin-out while preventing added heat
  • Keeps gears lubricated


  • Optimizes the use of single, wide-based tires
  • Enables full rating of aluminum hub for maximum weight savings
  • Maximizes outer bearing life for most applications

Limited Slip

  • Enhanced traction on slippery or uneven surfaces
  • Improved operator safety
  • Extremely reliable and efficient

GenTechTM Gearing

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

Electromagnetic Retarder

  • Designed for the most effective braking action
  • Reduced complexity
  • Lightweight

Wheel Differential Lock

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


Download Resources

Pairs With

Pairs With