Generators; natural gas; prime; cat brand genset; continuous; 60 hz; qty (4) g3516's available s#zbc00118/119/116/169; zero hour rebuild at macallister cat; cat opc warranty available; can be converted to 50hz 1300kva; can be re-connected to 600v;; overall rating: excellent, dealer certified, model: G3516B click here for more information