The 24 volt High-Performance 16 inch Radiator Fan is designed for military or ex-military vehicles with 24 volt electrical systems (Uni-Mog, Pinzgauer, HumVee, Land Rover, Volvo, etc.). Electric fans are ideal for O.E. replacement, supplemental or add-on cooling needs. As a primary cooling source electric fans provide economical replacement for failed OE parts, with a 5-10% increase in horsepower and fuel mileage when replacing belt-driven fan assemblies. As an add-on cooling source electric fans provide increased air conditioning performance due to constant airflow across the condenser, with additional cooling in heavy traffic or while towing, or driving off-road.The 24 volt thermostat is a robust model and is ideal for use with our 24 volt HP radiator fan (see link below). Fully adjustable to your vehicle's individual performance. Additional Details ------------------------------ Product description: The 24 volt High-Performance 16 inch Radiator Fan is designed for military or ex-military vehicles with 24 volt electrical systems (Uni-Mog, Pinzgauer, HumVee, Land Rover, Volvo, etc.). Electric fans are ideal for O.E. replacement, supplemental or add-on cooling needs. As a primary cooling source electric fans provide economical replacement for failed OE parts, with a 5-10% increase in horsepower and fuel mileage when replacing belt-driven fan assemblies. As an add-on cooling source electric fans provide increased air conditioning performance due to constant airflow across the condenser, with additional cooling in heavy traffic or while towing, or driving off-road.The 24 volt thermostat is a robust model and is ideal for use with our 24 volt HP radiator fan (see link below). Fully adjustable to your vehicle's individual performance.