Shell Spirax S6 ATF A668 Synthetic Transmission Fluid, 1 Gallon, Case of 3

Shell Spirax S6 ATF A668 is a fully synthetic automatic transmission fluid for compatible heavy-duty transmissions requiring Allison TES 668 fluid. Designed to support fluid stability and consistent shift performance in demanding service.

• Package contents: 3 jugs × 1 US gallon each
• Manufacturer part number: 550062008

Follow the transmission manufacturer's fluid specifications and service intervals.