DH-SERIES
■ PRD (TOP DOWN TEMPORARY COLUMN) 공사용 1. DH608-120M ① Weight of basic machine 44,200kgf ② Counterweight (8,500 + 4,000 + 4,000 kgf) 16,500kgf ③ Standard leader length 0 m ④ Maximum permissible operating weight 120,000kgf ⑤ 기타부착물(리더+케이싱+해머+로드 등) 120,000 - 44,200 - 16,500 = 59,300kgf 2. DH-658-135M ① Weight of basic machine 456 kN (46,500kgf) ② Counterweight (5,500 + 2,700 x 2pcs. + 3,600 + 4,000 ..