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Keep your Harley-Davidson transmission shifting smoothly with Twin Power 85W140 Semi-Synthetic Transmission Lube — available in a shop-friendly 6-Gallon Bag-In-Box format. This semi-synthetic 85W140 formula delivers ultra-high film strength and exceptional shear stability to protect transmission components under the extreme demands of V-Twin motorcycle use.
The 85W-140 viscosity is the heavy-duty gear oil specification for Harley-Davidson transmissions that require maximum protection. The semi-synthetic base provides outstanding resistance to wear, heat, and oxidation — extending the life of your gears and bearings while ensuring precise, reliable shifting every time you ride.
Purchase six 6-gallon Bag-In-Box units (P/N 539026, 539027, 539028, or 539029) to qualify for a free rack display and shop dispensers. Twin Power — trusted by powersports professionals nationwide.
