China Hard Soil and Rock Rotary Drilling Rig Sr285 with Interlocking Kelly

New model rotary drilling rig SR285R with best price

SR285R rotary drilling rig with full-stroke system and various casing adaptive is suitable for hard soil and rock drilling.
High drilling capacity
12-17m friction Kelly, 13-17m interlocking Kelly made of high strength steel tubes are available; Maximum output torque reaches 285kN.m, the maximum pile depth is 93.5m down, maximum pile diameter is 2200mm without casing, 1900mm with casing.
engine with rated power of 300kW@1800rpm, six gears control provides strong power to the machine, improving the drilling capacity.
Main winch with dual reducer and dual motor delivers faster line speed of 70m/min, bigger lifting power with 330kN line pull.
Safe and reliable
The 5th generation rotary drive adopts multi-gear control, self-adaptive techniques, and double buffering system which can increase drilling efficiency and safety.
Anti-shock heavy duty hydraulic system tailor-made with renowned brands and heavy extended chassis with low gravity ensure efficient, safe and stable operation.
Advanced welding robots, CNC automatic cutting machines ensure high precision and quality of the core components.
Easy to operate & maintain
Auto center lubrication system is equipped to facilitate the secure and efficient lubrication of the drilling rig.
Optimized layout, larger spaces for pumps and valves is for easy maintenance during work.
Spacious cab with panorama sunroof, intelligent operation system designed to give the operator a comfortable environment and wide visibility.