Blue reefer semi trucks and semi trailers stand in row
Diesel Max

Maximize Your Diesel Engine Performance With Diesel Max

diesel max pump topper

Power. Performance. Protection.

Whether for your road fleet or job site equipment, you need to get the most out of your diesel fuel. Which is why Bear Oil Company makes sure your diesel fuel always delivers power, performance, and protection. The detergent cleaner with lubricity helps get the most of today’s cleaner burning fuels. No need to mess with additives yourself, Diesel Max is already pretreated - the perfect blend to maximize your diesel engine performance. Now available exclusively at Bear Oil locations' pumps and on-site fueling service delivery direct to equipment on job sites.

Premium Diesel Fuel

  • Increases fuel economy and mileage
  • Clean dirty injectors and prevents sticking
  • Protects fuel pump from low sulfur fuels
  • Reduces the need for downshifting


Filling up at a Bear Oil gas station