How much oil does a 5.4L V8 Tridant Engine take to fill?

There's no standard "Tridant" engine. There's a Ford Triton 5.4L V8 engine. The oil capacity for a Ford 5.4L Triton V8 engine varies slightly depending on the year and specific application (truck, SUV, etc.), but it generally holds between 5.5 and 6.0 quarts. Always check your owner's manual for the precise oil capacity for your specific vehicle. Don't just rely on a general number.