XHRC-350 Reverse Circulation Drilling Rig Hydraulic Crawler RC Rig

Technical Specifications
Drilling Capacity

• Max drilling depth: 350 m
• Hole diameter: 140–400 mm
• Drill pipe diameter: 76 / 89 / 102 / 114 mm
• Single rod length: 1.5 / 3 / 6 m

Rotation & Feeding System

• Rotary torque: 8000–12000 N·m
• Rotation speed: 40–160 rpm
• Max lifting force: 300 kN
• Max pull-down force: 150 kN
• Fast lifting speed: 20 m/min
• Feeding speed: 40 m/min

Power System

• Engine model: Cummins diesel engine
• Rated power: 132 kW
• Rated speed: 2400 rpm

Air System

• Working pressure: 1.7–3.5 MPa
• Air consumption: 17–42 m³/min

Mobility & Dimensions

• Walking speed: 2.5 km/h
• Climbing ability: 30°
• Transport size: 6300 × 2100 × 2500 mm
• Working size: 4000 × 2900 × 6800 mm
• Weight: 12 tons

Fully Hydraulic Operation

All key movements — mast lifting, mast compensation, rotation, feeding, winch, crawler walking and loading/unloading — are controlled by a hydraulic system, improving operational stability and reducing labor intensity.

Customized Reverse Circulation Drilling Solutions

As a professional reverse circulation drilling rig manufacturer, XinHao provides customized solutions based on:

• Required drilling depth
• Rock formation conditions
• Air compressor matching
• Drill rod specifications
• Project sampling requirements

The XHRC-350 can be adjusted or upgraded to meet specific project demands, ensuring maximum drilling efficiency and cost control.