rotary drum cutter close-up with twin cutting drums

transverse drum cutter attachment front view for excavator rock cutting

hydraulic drum cutter attachment isolated product image

twin drum cutter attachment side view for rock excavation

Heavy-Duty Rock Grinder for Excavators

Rock Grinder is a strong search term for buyers looking for precise rock and concrete grinding on excavators. It emphasizes controlled removal, cleaner cuts, and low-impact operation.
As a professional manufacturer of Rock Grinder, we provide more cost-effective products. Whether you want to buy or become a distributor, you are welcome to contact us anytime.

Cable Drum Trailer

Rock Grinder is one of the most practical commercial names for this product family because many buyers search by job result rather than attachment structure. This page should focus on grinding rock, concrete, asphalt, and other compact materials with precision and control. It fits trenching, demolition, utility excavation, slope shaping, mine scaling, and foundation work where a cleaner cut and lower vibration are important. The term also works well for leads who compare grinders, drum cutters, and cutterheads before making an inquiry. Use this page when you want stronger reach around rock cutting and grinding intent.

Parameter Model

Model	HX-X1	HX-X2	HX-Z1	HX-Z2	HX-D
Applicable Carrier (t)	6–9	10–18	20–27	30–40	45–60
Operating Weight (kg)	450	550	1200	1450	2450
Milling Width (mm)	420	650	850	950	1150
Drum Diameter (mm)	340	450	560	660	850
Number of Picks	40	56	64	64	60
Recommended Speed (rpm)	95	85	78	75	55
Recommended Flow (L/min)	80	120	220	320	360
Max Pressure (MPa)	35	35	35	35	35
Max Torque (Nm)	4700	7000	14300	23300	40300
Components / Brands	Motor / SAI, Bearings / SKF, Cutter Picks / Tungsten-Molybdenum Alloy, Gears / 20CrMnTi	Motor / SAI, Bearings / SKF, Cutter Picks / Tungsten-Molybdenum Alloy, Gears / 20CrMnTi	Motor / SAI, Bearings / SKF, Cutter Picks / Tungsten-Molybdenum Alloy, Gears / 20CrMnTi	Motor / SAI, Bearings / SKF, Cutter Picks / Tungsten-Molybdenum Alloy, Gears / 20CrMnTi	Motor / SAI, Bearings / SKF, Cutter Picks / Tungsten-Molybdenum Alloy, Gears / 20CrMnTi

Excavator-mounted drum cutter prepared for rock excavation on an open hillside jobsite.	Hydraulic milling cutter cutting into a concrete block during urban construction work.	Rock grinder attachment cutting and grinding stone in a dusty demolition area.	Transverse drum cutter mounted on an excavator at a field excavation site.
Excavator carrying a drum cutter attachment during hillside excavation work.	Hydraulic drum cutter milling rock and producing fine material on site.	Excavator with a rock grinder attachment operating on a large outdoor jobsite.	Drum cutter attachment performing concrete and excavation work in an urban construction area.