Precision Formula™

Keep your trucking fleet on the road. Advanced coolant technology for every vehicle in your fleet.

Trucking and industrial fleets rely on maximum uptime to stay in business, so every minute of downtime costs money. HD Expert’s proprietary formulas were developed by engineers to keep your heavy duty trucking equipment in peak condition through even the harshest conditions.

These specialized formulas defend against corrosion, deterioration, rust and extreme temperatures—keeping your fleet’s engines cool and clean so you can get the job done. Get maximum protection for the hardest HD engines on earth.

HD Expert Classic
HD Expert Premium
HD Expert Extra
HD Expert Endurance
HD Expert Extreme

Does Your Coolant Hold Up?

Nearly half of all engine breakdowns occur due to cooling system problems. Prevent engine failure and make sure your coolant is maximizing your fleet’s performance with a free testing kit from HD Expert.

Get Your Free Test Kit Today

  • What's in your fleet?*

Your free HD Expert analysis includes detailed information on:

  • Contamination levels
  • pH levels
  • Corrosion inhibitor levels
  • Foaming properties
  • Freezing & boiling points

Specialized Formulations for Heavy Duty Engines

Engine protection

HD Expert coolants have special additives for unparalleled engine protection.

Temperature control

Not too hot and not too cold – HD Expert coolants keep your engine at the right operating temperature.

Long service life

Avoid unnecessary service with HD Expert extended life coolants.

Introducing Proshield®

• Reduced need for coolant extender
• 2-EHA free organic additive technology

Extreme temperatures
Aluminum engines
Wet Sleeve liner cavitation