HOUSTON, Tex. — Shell Lubricants has launched a new heavy-duty semi-synthetic automatic transmission fluid. The company says its new Donax TX offers improved performance and allows for extended drain ...

Shell Lubricants has introduced Shell Donax TX, a heavy-duty semi-synthetic automatic transmission fluid. It is designed for use in Allison heavy-duty automatic transmissions and those of other ...

Shell Lubricants developed its Spirax S6 ATF A295 synthetic automatic transmission fluid jointly with Allison Transmission for approval against Allison’s TES-295 specification for extended warranty ...

Every transmission supplier lists the approved oil specification for its products. But there are several other factors that may influence the ultimate choice. “The first thing to note is that ...