HC158R Hydraulic drifter is a top-tier premium smart ultra-heavy-duty flagship New Original Hydraulic Rock Drill. It’s engineered for elite high-performance jumbo rigs, leading extreme-precision, ultra-efficient, and mega-scale drilling operations in mega mining, ultra-deep tunneling, and harsh open-pit quarries.

Dimensions and Weight
Weight	190 kg (419)
Length without shank adapter	–
Length with shank adapter	–
Overall Width	–
Height	–
Rotation Specs
Max. Rotation Speed (RPM)	0 – 170 rpm
Oil Flow (I / min)	–
Max. Pressure (bar)	–
Max. Torque (Nm)	1225 Nm (900 Ib-ft)
Impact Ratings
Max. Output	21 kW (28 hp)
Input Range	–
Percussion Flow Range	160 I / min
Percussion Pressure Range	150 bar (2175 psi)
Max. Impact Frequency	38.3 Hz (2298 bpm)
Flushing Flow and Pressure
Front end Lubricating air Consumption	300 I / min
Shank Adapters
T45
T51

With a weight of 190 kg (419), it balances premium operational flexibility, reinforced ultra-high-strength structural design, and extreme power output. Its drill diameter ranges from 85-220 mm, fully covering mega-scale blasting hole requirements for ultra-large mining projects. Notably, its 110 kW ultra-power hydraulic system delivers stable, extreme-impact, and energy-saving force with millimetric precision control. It excels in 3200m ultra-deep underground tunnels and mega open-pit mines, handling extra-hard rock and extreme harsh environments with unparalleled stability.

This Hydraulic Rock Drill undergoes rigorous factory quality control and extreme heavy-duty continuous performance testing (1500+ hours of non-stop operation under ultra-high pressure & vibration). It ensures 100% compatibility with Montabert premium, flagship, and enhanced-series jumbo rigs. Moreover, it eliminates critical flaws of non-original parts: insufficient power reserve, unstable precision control, weak ultra-high-vibration adaptability, and frequent breakdowns. Even in harsh conditions (ultra-high pressure, continuous ultra-high vibration, heavy dust, wetness, corrosion, -35℃ to 65℃ temperature range), it maintains consistent peak performance.

Its precision-machined structure uses aerospace-grade titanium alloy + premium nano-wear-resistant/corrosion-resistant/high-damping composite materials. This enhanced flagship design integrates advanced multi-sensor fusion & real-time vibration monitoring technology while boosting load-bearing capacity by 60%—core advantages of the “HC158R” enhanced series. In addition, the ten-layer sealed system + anti-abrasive/anti-corrosion/anti-temperature-shock coating provides superior protection against moisture, dust, corrosion, vibration, and extreme temperature fluctuations. It extends service life by 62% compared to ordinary hydraulic drifters and 4% more than the standard HC158 model.

As a premium enhanced flagship Hydraulic drifter, it features state-of-the-art AI-assisted adaptive dynamic precision control. It automatically adjusts drilling parameters (impact force, speed, pressure, vibration frequency, cooling intensity, torque) based on real-time rock hardness, depth, vibration amplitude, and environmental data. This maximizes drilling productivity and precision while reducing fuel consumption by 35%. Furthermore, its optimized enhanced ultra-power hydraulic system + shock-absorbing buffer structure ensures smooth operation even under fluctuating ultra-heavy loads and ultra-high vibration, making it ideal for long-term mega-scale 24/7 continuous drilling projects.

Short delivery time ensures timely equipment replacement or project startup (average lead time 5-12 working days). Competitive pricing offers cost-effective solutions for mega mining and construction groups, especially those with continuous operation demands. Importantly, original factory quality assurance (2.5-year warranty) guarantees long-term operational stability, extreme durability, and minimal maintenance costs. It minimizes downtime (less than 0.5% annual failure rate) and project delays, supporting non-stop production in high-demand extreme mining environments.

Whether for 3300m ultra-deep underground tunnel excavation, coal mine drilling in narrow ultra-high-pressure shafts, or mega-scale open-pit continuous blasting, it delivers reliable, high-output, and precise results. For open-pit mining, it maintains efficiency in extreme weather (freezing cold -35℃, scorching heat 65℃, heavy rain, sandstorms, gale-force winds). Specifically, it adapts to extra-hard rock mines, ultra-thick ore layers, ultra-high-pressure narrow tunnels, and extreme dust/wet/corrosive/high-low-temperature quarries—meeting diverse mega-scale continuous drilling needs of ultra-large projects.

Non-original hydraulic drifters often lack enhanced ultra-heavy-duty capacity, next-gen precision control, or have short service lives. They lead to extra maintenance costs (4x higher than original parts), low continuous productivity (30% lower efficiency), and massive financial losses. In contrast, the HC158R Hydraulic drifter retains structural integrity, premium smart precision performance, and enhanced extreme power output. Its advantages (next-gen smart control, extreme vibration resistance, ultra-high continuous efficiency) empower your jumbo rigs to operate at peak efficiency 24/7, driving profitability in mega-scale mining projects.