The Shell Rotella Spirax S6 GME 40 Eaton PS-386 approved Transmission Fluid is the perfect choice for your vehicle's transmission. This transmission fluid container is designed to provide outstanding low temperature performance, a smoother ride for a more extended period, superior dispersant for maximum anti-wear and reduced wear and long service life. With this transmission fluid, you can be sure your vehicle's transmission will run smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.