2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 36

Maintenance and Specifications • Store DEF out of direct sunlight and in temperatures between 23°F (-5°C) - 68°F (20°C). • DEF will freeze below 12°F (-11°C). • Do not store DEF bottle in vehicle. If it leaks it could cause damage to interior components or release an ammonia odor inside the vehicle. • DEF is non-flammable, non-toxic, colorless and water-soluble liquid. • Do not dilute DEF with water or any other liquid. • An ammonia odor may be smelled when the cap is removed or during refill. Refill DEF in a well ventilated area. Typical Diesel Exhaust Fluid (DEF) Usage The charts below illustrate approximate DEF usage for the given distances traveled under various driving conditions and when using the PTO. Your usage may vary depending on: driving style, trailer towing, loaded vehicle weight, weather, idle time, PTO usage, etc. Pick-up (3.31 axle ratio) Trailer towing / aggressive or city Normal driving driving 4100 miles 7100 miles (6598 km) - (11426 km) - 7100 miles 9600 miles (11426 km) (15450 km) Pick-up (3.55 axle ratio) Trailer towing / aggressive or city Normal driving driving 2800 miles 5800 miles (4506 km) - (9334 km) - 5800 miles 8100 miles (9334 km) (13036 km) Driving style DEF usage Steady highway driving 9600 miles (15450 km) - 10000 miles (16093 km) + Driving style DEF usage Steady highway driving 8100 miles (13036 km) - 9700 miles (15611 km) 36 2011 Diesel (eco) Supplement, 5th Printing USA (fus)