Castrol TRANSYND 668

Premium Full-Synthetic Automatic Transmission Fluid

Product Description

Castrol TRANSYND 668 is a premium full-synthetic automatic transmission fluid specially formulated for Allison heavy-duty on-highway automatic transmissions.

It delivers outstanding oxidation stability, wear protection, and friction durability, while meeting the latest Allison TES 668™ specification and remaining backward compatible with TES-295® and TES-468™ fluids.

This advanced ATF helps extend transmission life, improve shift performance, and reduce operating costs for trucks, buses, and heavy-duty fleets.

Typical Applications

• Allison automatic transmissions in trucks and buses
• Heavy-duty commercial vehicles
• Fleet vehicles requiring TES-668, TES-295, or TES-468 fluids
• On-highway automatic transmissions

Key Features & Benefits

• Improved gear protection
• Extended anti-shudder durability
• Extended clutch-friction durability
• Excellent thermal and oxidation stability
• Superior corrosion and foam resistance
• Outstanding cold-flow performance for fast lubrication
• Cleaner transmission for longer drain intervals
• Reduced friction for longer component life
• Smooth gear shifting in all temperatures

These properties help extend oil-drain intervals and reduce servicing costs.

Specifications & Approvals

• Allison TES 668™ Approved
• Backward compatible with Allison TES-295® and TES-468™
• Volvo Transmission Oil 97341
• MAN 339 V1
• DTFR 13C190 (MB 236.92)
• Voith H55.6335.xx

Typical Characteristics