Shell Spirax S6 ATF A668

Shell Spirax S6 ATF A668 – Synthetic commercial vehicle automatic transmission oil for suitable Allison transmissions with TES-668 specification.

Application

For suitable commercial vehicles and mixed fleets. Extended oil change intervals only according to specific transmission and maintenance instructions.

Approvals according to Shell

• Allison TES-668 (668-10222021)
• DTFR 13C190
• DANA-OHTM-ATF-X 22A-0004
• Voith H55.6335.xx

Suitable according to Shell for specifications

• Volvo 97340/97341
• Ford Mercon
• GM DEX II/IIIG/IIIH
• JASO 1-A
• MAN 339 Type V1
• Caterpillar AT-1

Selection and Use

Check product quality and required approvals against the operating or maintenance instructions. Carry out conversions and change intervals according to the manufacturer's specifications. Observe the product and safety data sheet.

Product information from Shell · As of: 07.10.2025.

Packaging and delivery scope

• 20 liters

Image for illustration purposes only. Packaging may vary. The product name and selected packaging size are decisive.