JK830RC Reverse Circulation Drilling Rig 25 Ton Cummins QSZ13 335kW Open Pit Mining RC Drill Machine

This JK830RC reverse circulation drilling rig is a 25 ton class machine built for the heavy end of surface drilling work, where reverse circulation sampling and production drilling demand power, stability, and reliable mobility. The rig is driven by a Cummins QSZ13-C450-30 engine rated at 335 kW, providing ample power for the hydraulic system, the rotary head, and the onboard auxiliary functions. With a maximum tractive force of 170 kN and a grade ability of 20 degrees, the JK830RC tramms confidently across open-pit benches and uneven exploration ground. Its 400 mm wide tracks and 400 mm minimum ground clearance keep the machine stable and protected in rough terrain conditions.

• 25 Ton Working Mass: a heavy, stable platform that keeps the mast steady during deep RC drilling cycles.
• Cummins QSZ13 335kW Engine: proven high-output diesel with global service support and low maintenance cost.
• 170kN Tractive Force: dependable self-tramming capability across benches, ramps, and soft ground.
• 400mm Wide Tracks: low ground pressure and strong flotation for pit-floor conditions.
• 20 Degree Grade Ability: climbs steep access ramps without support equipment.
• Reverse Circulation System: efficient sample return and clean hole flushing for production and exploration drilling.

The JK830RC is used in open-pit mines for RC grade control and ore body definition drilling, in quarries for deep production holes, and on large civil projects where reverse circulation methods are specified for foundation investigation. Its power and traction make it suitable for remote exploration programs that require the rig to move between drill sites under its own power. Mining contractors value the machine for its sample recovery quality, which directly improves the confidence of resource models. The rig also handles geotechnical and hydrological investigation holes that demand clean, continuous sample return.

Each JK830RC is factory tested with a full hydraulic and tramming trial, and the RC flushing system is verified before shipment. The rig ships in a 40ft flat rack container or by RORO vessel with the mast, rod carousel, and auxiliary equipment secured. Documentation includes the CE certificate, Cummins engine papers, operation and maintenance manuals, and a full spare parts catalog. Commissioning support is provided by our engineers either on site or by video link, and spare parts are dispatched from our export warehouse.