SYN-TS® HD is formally approved by Allison Transmissions for TES 668 specification. It is a technically advanced next generation transmission fluid for on-highway applications in Allison Transmissions offering enhanced protection and extended drain intervals of up to 240,000km. It is backwards compatible with earlier on-highway transmission fluids including Allison TES 295.
SPECIFICATIONS –
ALLISON TES 668® AND ALLISON TES 295 COMPATIBLE