Provides appropriate lubrication for older transmission designs. Transmission fluids for vintage vehicle maintenance are specifically formulated to meet the needs of older transmission designs. These fluids often have higher viscosity and different additive packages compared to modern fluids, aligning with the specifications of classic transmissions. They typically provide good protection against wear and corrosion while being compatible with older seal materials. Vintage maintenance fluids can help preserve the authenticity and functionality of classic vehicles, ensuring smooth operation and protection of valuable historical transmissions.