NEW YORK. A new automatic transmission fluid from Shell Lubricants for heavy-duty Allison transmissions meets that company's specifications for extended warranty and drain intervals. 

Shell Spirax S6 ATF A295 is a synthetic ATF that meets Allison Transmission's TES-295 specification, allowing drain intervals to be stretched as long as 300,000 mi. depending on the application, according to Stede Granger, OEM technical services manager for Shell Global Solutions (US). 

The specification covers viscousity coverage, shear stability, oxidation resistance, corrosion resistance and frictional requirements needed to provide superior performance under severe conditions over long periods, he said at a press briefing.

Shell Spirax S6 ATF A295 available in the US starting this Fall in drums, pails and gallon jugs, with global availability next year, according to the company.