AMSOIL SEVERE GEAR is excellent for severe applications, such as towing, hauling, steep-hill driving, commercial use, plowing, racing,off-road use, rapid acceleration, frequent stop-and-go operation and high ambient temperatures. Higher horsepower, towing and hauling capabilities of modern vehicles make pickups, SUVs, vans and delivery/utility vehicles especially prone to severe service. Other severe-duty vehicles include light-, medium- and heavy-duty trucks; buses; heavy equipment; 4X4s; tow trucks; race cars; tractors; and motor homes.