Correzione random

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    static class valoriRandom
    {
        static Random r = new Random();

        static public int valRndom()
        {
            return r.Next(0, 1000);
        }
    }
}


 public Mezzo(string t, int c, string m, string mo, int l, int a)
        {
            num = num = valoriRandom.valRndom();
            targa = t;
            cilindrata = c;
            marca = m;
            modello = mo;
            larghezza = l;
            altezza = a;
            tariffa = 0.0;
        }