Home / Products / Drilling Rigs / Top-Hammer Drilling Rigs / ST120H Surface Top-hammer Drilling Rig

ST120H Surface Top-hammer Drilling Rig

The LGMRT ST120H is a fully hydraulic, internal combustion-powered, integrated crawler-mounted, self-propelled surface top-hammer drilling rig. Extensive market testing has proven its ability to combine high-efficiency operation with stable performance, flexibly adapting to diverse, complex surface mining conditions. In terms of ergonomic design, this equipment places particular emphasis on the operator's working experience. Paired with a comfortable, air-conditioned cab, it optimizes the working environment effectively, alleviating fatigue from prolonged operation and consequently enhancing operational efficiency and comfort overall.

Inquire Now

Product Features

The ST120H is a high-performance surface drilling rig equipped with a 22 kW Sandvik series rock drill. It delivers outstanding drilling efficiency with a hole diameter range of 76–127 mm. It also features a CMS air compressor management system and a load sensing hydraulic system to effectively reduce fuel consumption and help users control operating costs. The machine's telescopic drill arm design enhances operational safety and significantly expands drilling coverage. This enables drill holes to be positioned rapidly and precisely, further boosting work efficiency. The ST120H's two-stage dry dust collection system provides powerful suction, effectively purifying the work environment and meeting current stringent environmental protection standards.

The ST120H boasts a wide range of applications, including road cutting, excavation, highway construction and foundation engineering, as well as open-pit mining and quarry drilling. Specifically optimized for challenging environments such as high plateaus, the equipment features a high-output engine that can confidently handle demanding operations at high altitudes. Thanks to its key competitive advantages of high efficiency, low consumption, stability, reliability, ease of operation, safety, and environmental friendliness, it has gained recognition and favour among engineering contractors, mining enterprises, quarries, and the construction equipment rental industry, becoming the preferred choice for various open-pit drilling operations.

Product Advantages

Safety and Environmental Protection

Guided by the principle of “safety first, green environmental protection”, we are laying the foundations for green mine construction.

Lower operating costs deliver greater efficiency

We leverage technologically advanced drilling control systems to ensure robust drilling quality assurance. Equipped with intelligent load sensing hydraulic and air compressor management systems to achieve significant reductions in fuel consumption.

Significantly enhanced overall operational efficiency

Equipped with Sandvik rock drills, it delivers stable and reliable drilling performance and convenient and hassle-free maintenance.

Parameters

Hole diameter (mm)	76-127
Boom type	Telescopic boom
Drilling rod	T51
Rod length (mm)	3,660
Rock drill	LD120H
Rock drill output (kW)	22
Engine output(kW)	Cummins 177
Air Flow & Pressure（m³/min@bar）	8.1@10 (9.6@10)
Dimension (W x H×L)	10,230×2,450×3,520
Weight(kg)	16,140

FAQ

Do you provide technical support?

Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

Sales Coverage

We supply specialized products to customers worldwide.

Do you provide technical support?

Yes. We provide professional pre-sales, in-sales, and after-sales support, along with expert technical guidance and usage precautions.

Warranty Policy

We provide repair service if there is necessary

Payment Methods

30% advance payment,70% balance payment before shipment