These are not pre-loaded with 3.0 nozzles, you choose the nozzle size from the nozzle rack.
The part number for the rotors that are preloaded with #3.0 nozzles is B074KPRRYR
40 Degree to 360 Degree Adjustable
3/4" NPT female bottom threaded inlet.
Pressure: 25 to 65 PSI (1.7 to 4.5 bar).
5000 Series Rotor Sprinkler Head - 5004 PC Model, Adjustable 40-360 Degree Part-Circle, 4 Inch Pop-Up Lawn Sprayer Irrigation System - 25 to 50 Feet Water Spray Distance - 20 Pack Case