Lucas Oil Heavy Duty Synthetic SAE 50 Transmission & Drive Train Oil 55 gal (US)

Lucas Oil Synthetic 50 wt. Transmission Oil is a fully synthetic fluid designed for manual heavy-duty truck transmissions. Its advanced blend of synthetic base oils and additives provides optimized frictional properties, excellent wear protection, and superior oxidative stability. With outstanding foam resistance, it prevents cavitation and erosion. Though labeled as 50wt, its polymer-modified formula ensures shear-stable film thickness at high temperatures and excellent low-temperature fluidity for consistent lubrication from start-up to shutdown.