Transmission Fluids
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
Transmax
®
Manual HD 75W-90
Castrol Transmax Manual Heavy Duty 75W-90 is a full-synthetic manual
transmission lubricant developed for use in synchronized and non-synchronized
transmissions in long-haul trucks and other severe-duty applications.
Transmax Manual Heavy Duty 75W-90 is approved against Volvo's most
demanding Heavy Duty Manual Transmission specification enabling extended
oil drain intervalsin severe-duty manual and automated manual (i-Shi)
transmission applications.
Features and Benefits
Castrol Transmax Manual Heavy Duty 75W-90 offers the following advantages:
• Excellent oxidation stability helps to ensure suitability in high-temperature and extended-drain
applications.
• Proven synchronizer performance makes for easier gear changes and quieter transmission operation.
• Excellent low-temperature fluidity ensures easy gear shiing during cold starts.
• Excellent wear protection reduces wear and prolongs gear life.
• Long-drain performance offers the potential to lower maintenance costs and increase vehicle availability.
Industry Specifications and OEM Approvals
• API GL-4
• Volvo Transmission Oil 97315:002
• Volvo Transmission Oil 97319:007
D16
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