The SANY SR405R rotary drilling rig is engineered for large-diameter and deep foundation projects, such as buildings, bridges, high-speed railways, and highways. It offers a maximum drilling diameter of 2,500 mm and can achieve depths up to 106 meters with friction kelly bars or 87 meters with interlocking kelly bars. Powered by a 377 kW ISUZU 6WG1 engine operating at 1,800 rpm, the rig delivers a rated output torque of 405 kN·m with rotation speeds ranging from 5 to 25 rpm. The crowd system provides a crowd force of 350 kN, a line pull of 400 kN, and a stroke length of 10,000 mm. The main winch has a lifting capacity of 400 kN, utilizing a 36 mm diameter wire rope at speeds up to 75 m/min. The auxiliary winch offers a lifting capacity of 105 kN with a 20 mm wire rope, operating at speeds up to 70 m/min. The mast allows for a forward inclination of 4°, a backward inclination of 90°, and a lateral tilt of ±3°. The rig's stability is enhanced by a telescopic undercarriage extending to 4,900 mm, fitted with 800 mm wide track shoes. The overall height of the machine is 27,700 mm, with an operating weight of 131 tons. For transportation, the rig can be configured to a width of 3,500 mm and a height of 3,660 mm




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Factory Address:Room 2301, Building 12, Phase I, China Resources Land, No. 266, East Sixth Road, Xingsha Street, Changsha County, Hunan Province