Вызывается конструктор по умолчанию

CarList.add(new Truck(name, engine, transmission, TMass, Amount));

class Component
{
protected:
    int Weight;
    int Price;
public:
    Component()
    {
        Weight = 0;
        Price = 0;
        cout<<"Why?";
    }
    Component(int Weight, int Price)
    {
        this->Weight = Weight;
        this->Price = Price;
    }
    int getWeight() { return Weight; }
    int getPrice() { return Price; }
};
 
class Engine : public Component
{
private:
    int HorsePower;
    char EngineType;
    int CylinderAmount;
public:
    Engine()
    {
        HorsePower = 0;
        EngineType = ' ';
        CylinderAmount = 0;
    }
    Engine(const int HP, const char ET, const int CA, int WE, int Price)
    :Component(WE,Price)
    {
        HorsePower = HP;
        EngineType = ET;
        CylinderAmount = CA;
    }
    int getHorsePower() { return HorsePower; }
    void coutEngine() const
    {
        cout << EngineType << CylinderAmount << " " << HorsePower << "HP\n";
    }
};
 
class Transmission : public Component
{
private:
    char WD;
    string TransmisionType;
    int AmountOfGears;
public:
    Transmission()
    {
        WD = ' ';
        TransmisionType = " ";
        AmountOfGears = 0;
    }
    Transmission(int WE, int Price, const char WD, const string& TransmisionType, const int AmountOfGears)
    :Component(WE,Price)
    {
        this->WD = WD;
        this->TransmisionType = TransmisionType;
        this->AmountOfGears = AmountOfGears;
    }
    Transmission(const Transmission& copy)
    {
        WD = copy.WD;
        TransmisionType = copy.TransmisionType;
        AmountOfGears = copy.AmountOfGears;
    }
    void coutTransmision()
    {
        cout << WD << "WD " << TransmisionType << " Transmission with " << AmountOfGears - 1 << "+1 gears\n";
    }
};

Transmission(const Transmission& copy) : Component(copy)
{
//...
}

class Truck : public car
{
private:
    string Name;
    int TMass;
    int AxleAmount;
public:
    Truck()
    {
        Name = " ";
        TMass = 0;
        AxleAmount = 0;
    }
    Truck(string Name, Engine engine, Transmission transmision , int TMass, int AxleAmount)
            :car(engine, transmision)
    {
        this->Name = Name;
        this->TMass = TMass;
        this->AxleAmount = AxleAmount;
    }
    void coutCar() override
    {
        cout<<Name<<endl;
        car::coutCar();
        cout << "Have "<< AxleAmount << " axles and can transport up to " << TMass << "kg\n"
            <<"Weight: "<<getWeight()<<" Price: "<<getPrice();
    }
    int getWeight() override
    {
        return(car::getWeight()+1000);
    }
    int getPrice() override
    {
        return (car::getPrice()+100000);
    }
};