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The only engine brake for ISB & PX-7 Diesel Engines

As the only true engine brake available for the class 3-5 truck market, Pacbrake LoadLeash provides big-rig engine braking performance. In addition to enhanced vehicle control and reduced brake fade, Pacbrake LoadLeash can extend service brake life by up to 500%.

Designed for the heavy hauler!

LoadLeash Highlights

  • For Cummins ISB 5.9L, 6.7L & Paccar PX-7 Engines
  • Provides over 300 retarding horsepower*
  • Lightweight support housing
  • Extends the life of your service brake by up to 5 times
  • LoadLeash offers an increase in safety, ride comfort & saving

LoadLeash Features & Benefits

  • PERFORMANCE Provides over 300 retarding horsepower*
  • DESIGN Lightweight support housing replaces the factory valve cover spacer with no valve cover height increase
  • SAVINGS Extends the life of your service brake by up to 5 times while reducing truck & trailer brake wear
  • WARRANTY 18 month warranty for new vehicles, 12 month/100,000 mile warranty on parts and labor for used vehicles
  • COMPLIANT WITH EMISSION STANDARDS & ALL SOUND BYLAW REQUIREMENTS

*P67 Applications

LoadLeash Specifics

  1. ALUMINUM SUPPORT HOUSING Lightweight support housing replaces the factory valve cover spacer with no valve height increase
  2. MODULAR ENGINE BRAKE CONTROL COMPONENT Easily serviceable
  3. HYDRAULIC CONTROL SOLENOID One per brake assembly

Quick & Controlled Braking For Heavy Duty Trucks Just Got Easier!

LoadLeash kits include:

  • Automotive grade wiring with abrasion protection
  • Precision cast aluminum valve cover spacer
  • IP67 rated controller housing
  • Forged heavy duty bridges
  • SAE & ISO rated fittings
  • Intelligent controller
  • SAE rated hose

LoadLeash Kits

Find for LoadLeash kit for your vehicle.

LoadLeash Application Guide

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Don't see the option you were looking for, or need help identifying your optimal solution? Contact Customer Support at 800.663.0096, available Monday - Friday 6:00am to 4:30pm PST or submit a support request and we'll get back to you ASAP.

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Other Applications

Other Applications using Cummins 6.7L Engines & Paccar PX-7, including medium duty applications.

Technical Support

FAQs

Can you use the LoadLeash with an aftermarket turbo charger?

No, you can't.

Can LoadLeash be installed with ARP studs?

The loadleash may be installed with ARP 2000 studs (part # 247-4202). It is not to be installed with ARP custom age 625 studs (part # 247-4204)

Can LoadLeash be installed in conjunction with H&S Mini Max?

Yes!

Can LoadLeash be installed in conjunction with Edge CTS?

Yes!

Can LoadLeash be installed in conjunction with DPF & EGR Deletes?

Yes!

Warranty Registration

Register your product for warranty HERE.

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