Castrol Transynd

Premium synthetic universal powershift and automatic transmission fluid. Extends oil change guidelines for Allison transmissions to 160,000 km/48 months for general duty and, 80,000km/24 months for severe duty. Product sold exclusively through Allison Transmission Distributor Network, i.e. Heavy Automatics, MTU Detroit Diesel &Transdiesel in Australia.

Features & Benefits

  • Premium synthetic technology
  • Extended oil change intervals offering reduced downtime and more on-road operating time
  • Allison approval for extended drain


  • Dexron®III superseded
  • Allison C4-31554001
  • Allison TES-353