CONVOY HD ATF 668 (Full Synthetic)

CONVOY HD ATF 668 is full-synthetic, heavy-duty automatic transmission fluid designed for use in truck and bus transmissions operating under severe service conditions and extended drain intervals. It has superior shear stability and load carrying ability to protect against viscosity breakdown and wear protection. It has excellent oxidation resistance and thermal stability to minimize the formation of sludge and deposits as well as outstanding durability to ensure smooth shifts for the life of the fluid.

Application

Convoy HD ATF 668 is recommended for use in automatic transmissions in trucks, buses and other commercial vehicles operating in severe or extended drain service, where Allison TES 668 is specified. It is backward compatible and may also be used in transmissions specifying Allison TES 295, Allison TES 389 and TES 468. It may also be used in hybrid transmissions that specify an Allison TES 468 Fluid.

Use in Allison 1000 Series™, 2000 Series™, 3000 Series™, 4000 Series™, H 40/50 EP™ and eGen Flex™ Series on-highway models. It can also be used where ZF TE ML 14B/C transmission fluid is specified. It may also be used in light duty applications specifying JASO M315 1A, DEX IIIH or MERCON fluid.