Type Rotary Diameter 100 120 150 180 200 225 250 285 315 350 390 440 490 550 620 BH Type Lmin 390 485 590 810 850 920 1035 1190 1315 1410 1590 1875 1985 2300 2500 Weight G 7 12 26 75 105 130 180 273 389 601 758 1210 1602 2503 3200 Flexible Ls 55 80 80 100 100 140 140 140 140 150 170 190 190 240 240 BF Type Lmin – – – 810 850 920 1035 1190 1315 1410 1590 1875 1985 2300 2500 Weight G – – – 90 120 148 210 315 440 662 857 1380 1731 2667 3367 Flexible Ls – – – 100 100 140 140 140 140 150 170 190 190 240 240 DH Type Lmin – – – 550 580 640 735 880 980 1070 1200 – – – – Weight G – – – 62 84 102 148 240 350 500 655 – – – – Flexible Ls – – – 40 60 70 70 80 90 90 90 – – – – CH Type Lmin – – – 1425 1450 1500 1615 1875 2000 2115 2245 2510 2620 3085 – Weight G – – – 114 163 192 250 375 544 853 1000 1620 1860 3150 – Flexible Ls – – – 700 700 700 700 800 800 800 800 800 800 1000 – WH Type Lmin 243 307 350 480 500 520 620 720 805 875 955 1155 1205 1355 – Weight G 5 8.5 20 52 67 85 144 215 302 415 566 870 1140 1526 – WF Type Lmin – – – 560 580 610 715 810 915 980 1100 1290 1360 1510 1690 Weight G – – – 68 88 104 150 240 332 452 668 980 1274 1763 2442 WD Type Lmin – – – 440 460 480 560 640 720 776 860 1040 1080 1220 1360 Weight G – – – 60 75 90 140 201 291 395 554 854 1156 1624 2220 kg/Extended 100 0.35 0.55 0.85 2.8 3.9 4.9 5.3 6.3 8 15 15 21.7 21.7 34 34