OSP - EQUIPMENTS Page 4 Reference List of the Main Powers& Equipments 3. EXCAVATOR & JACK  HAMMER Power : 380 HP / 37 ton Type: 235 DLC    S.N / 6  G0039 Model: 1991 Manufacturer: USA 4. EXCAVATOR & JACK HAMMER Power: 410  HP / 35 ton Type: 330 BL    S.N / 8CK00203 Model: 1995 Manufacturer: USA