Amsoil Synthetic Polymeric Truck, Chassis and Equipment Grease is formulated to deliver excellent wear protection and extreme-pressure performance in medium and heavy duty applications. This grease offers rust and corrosion protection from road salt and other deicing chemicals encountered regularly and is resistant to grease pound out, providing long-lasting protection. It also provides critical protection for heavily loaded chassis grease points, wheel bearings, axle assemblies and other greased heavy-duty components.