Model: QUY260 1. Max. Lifting Capacity (t): 260 2. Main jib length (m): 18--84 3. Max. Length of main jib plus auxiliary jib (m): 73+34 4. Max. Length of main jib plus auxiliary tower jib (m): 62+61.5 5. Amplitude angle of jib ( degree ): 30-80 6. Lifting wire rope speed (m/min): 140 7. Descending wire rope speed (m/min): 140 8. Ascending wire rope speed of lifting jib (m/min): 50 9. Descending wire rope speed of lifting jib (m/min): 50 10. Lifting moment (t. M): 1300 11. Slewing speed (r/min): 1.5 12. Travel speed (km/h): 1.2 13. Slope climbing capacity (%): 30 14. Rated output power of diesel engine (kW, r/min): 280, 2100 15. Main multiplying factor (Bei): 22 16. Grounding pressure (MPa): 0.12 17. Total weight of the machine (t): 245 18. Weight of counterweight (t): 100+30