what motor and transmission do i have in my 2006 chevy silverado? the motor is...

[lonelyguy]

...the smallest V8? What motor is in my 2006 chevy silverado? It is the smallest V8?
I would like to know for sure what is the exact liter of my motor in a 2006 chevy silverado . It is the smallest v8, and also is my transmission more than likely a 4 L 60?

 

[Country Boy]

4.8 liter LS truck engine. 4 speed transmission with overdrive.