Large-scale rotary YUCHAI YCR405E Rotary Drilling Rig

Torque ceiling, dry hard rock directly

Rated at 405kN · m (over 40% higher than 280), equipped with dual motor super large power heads, capable of directly and violently crushing granite, moderately/strongly weathered, super large pebbles, and ultra deep hard soil into the rock, effectively crushing small and medium-sized machines.

King of Ultra Deep Holes: 103 meters deep, 3-meter large hole

Friction bar 103m, machine lock bar 66m; maximum aperture 2.6m (standard)/3.0m (optional), specially designed for super high-rise buildings, cross sea bridges, high-speed rail super large bridges, wind power foundations, and port terminals.

120 ton heavy machine, stable as Mount Tai, perfect hole forming

The whole machine weighs 120 tons, with a super heavy special chassis, a super large box type mast, and a giant slewing support. The verticality, aperture, and wall stability of the 80-100 meter deep hole are fully maintained, and the supervisor is exempt from inspection.

Top power+top hydraulic, durable and not prone to collapse

Engine: Cummins QSX15 373kW (507 horsepower), National IV, stable in high altitude/low temperature/heavy load, with sufficient power reserve and long service life.
Hydraulic: Rexroth complete set (main pump+valve+motor), 33MPa high pressure, high flow rate, load sensitive, fast composite action, fuel-efficient, and extremely low failure rate.

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