441-3013 441-3016 441-3018 4413013 4413016 4413018 323F and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi

441-3016 441-3018 480-6766  4413016 4413018 4806766 323E and With 6-12 months warranty，Any quality problem will send free parts to repair. And this model Final Drive used for excavator hitachi