Manual. Automatic. Semi-Automatic. It doesn’t matter what’s driving your truck, Phillips 66 can drive the performance of its transmission. We have a full line of premium-quality conventional, synthetic-blend and full-synthetic transmission fluids. And while you’re looking, consider this: when you use our Triton Synthetic Transoil 50 in conjunction with Triton Synthetic Gear Lube in the final drive, you gain up to a 3% advantage in fuel economy when compared to conventional products.