Transmission Fluids
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
Transynd
®
RD
TranSynd™ RD was introduced by Allison Transmission for "Rigorous Duty"
applications where extended drain intervals and reduced life cycle costs
are desired in Allison 5000, 6000, 8000 and 9,000 Off-Highway Series
transmissions.
TranSynd™ RD is a premium, synthetic, universal powershi and automatic
transmission fluid engineered to remain stable under the most severe
conditions.
Features and Benefits
Castrol TranSynd RD delivers:
• Excellent thermal and oxidation stability that resists deposit formation
• High viscosity index synthetic base fluids providing superior high/low
temperature performance
• Excellent shear stability and corrosion/anti-foaming characteristics
• Excellent wear protection
• Extended drain intervals and extended filter change intervals
• One fluid for year-round use in all geographic locations and reduced used oil disposal costs
Industry Specifications and OEM Approvals:
• Allison TES-353 (AN-032001)
• Allison C4 - 31554001
D28
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