valley truck parts inc logo green text on transparent background
< Back to Shop Search Parts:
Eaton DSP40 Differential

Eaton DSP40 Differential

Valley Part #

UNT DSP40

The Eaton DSP40 Differential is a heavy-duty, high-torque tandem axle solution designed for commercial vehicles. Engineered for durability and performance, it ensures reliable power distribution and handling for demanding freight and construction applications.

Multiple Eaton DSP40 Differential ratios available in locker and non-locker configurations. Contact us for more information on pricing and delivery.

Valley Ships FASTER. Call to order now.

We deliver daily to every location. Give us a call—we'll get you the part you need, ASAP.

1 (800) 783-8300 Contact Us

Product Specifications

Categories
  • Differentials
  • Forward Differentials
Model

DSP40

Made By

Valley Truck Parts

Valley Part #

UNT DSP40

Part OEM
  • Fuller
OEM Compatibility
  • Freightliner
  • International
  • Kenworth
  • Mack
  • Peterbilt
  • Volvo
  • Western Star

Maintenance Manuals

Differentials Resources

Product Description

The Eaton DSP40 Differential is built to handle the toughest jobs, offering exceptional torque and power distribution in tandem axle configurations. Designed for commercial vehicles such as trucks and trailers, the DSP40 delivers durability and efficiency, making it ideal for heavy-duty applications like freight hauling, construction, and high-load transport.

Multiple ratios available in locker and non-locker configurations. Contact us for more information on pricing and delivery.

Valley Truck Parts completely disassembles, cleans, and reassembles all differentials to OEM specs and tolerances.

  • New bearings, washers, snap rings, shims, and seals
  • Gears not meeting OEM standards are replaced
  • Final inspection ensures quality and real-world performance
*Eaton DSP40 Differential: Additional $925 without exchange.

Contact Us To Order
Eaton DSP40 Differential

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Need Help?

Trying to find or identify a part? Our team members are available to help. Open 7AM - 6PM ET

Call Now:

1 (800) 783-8300