St400 Used Trailer Mounted Water Well Drilling Rigs For Sale Borehole Boring

The ST400 water well drilling rig is a lightweight, efficient, and versatile drilling equipment designed for various applications including well drilling, irrigation wells, geothermal wells, and air holes. This borehole drilling machine is particularly suitable for mountain and rock formation water engineering projects.

Capable of working on different formations with drilling diameters up to 245mm, the ST400 incorporates advanced hydraulic technology featuring high torque hydraulic motor rotation and large bore drill hydraulic propulsion. The system is powered by a branded multi-cylinder engine with two-stage air filter and intake air compressor specifically designed for hydraulic systems, ensuring extended diesel engine life.

Key features include a unique pump design for easy maintenance, reduced maintenance costs, and a centralized hydraulic control console for simplified operation.

• Versatile applications for general investigation, geophysical exploration, highway and building construction, and blast-hole drilling
• Hydro-automatic feeding device for high drilling efficiency
• Hydrochucking unit design replacing slips to ensure continuous drilling during pipe changes
• Close levers for convenient, safe, and reliable operation
• Compact structure with drill, water pump, and diesel engine installed on one base frame for space-saving
• Lightweight design for easy disassembly and transportation, suitable for plain and mountain areas

Our drilling machines are designed for global applications and suitable for various scenarios including deserts, swamps, grasslands, mountains, and orchards.

• Q1: How long can your air compressor be used?
  A: Normally more than 10 years.
• Q2: What are the terms of payment?
  A: TT, transfer.
• Q3: Can you provide us with the documents for customs clearance?
  A: Yes. We provide commercial invoice, sales contract, packing list, bill of lading (FOB, CFR, or CIF terms), insurance policy (if CIF terms), and certificate of origin if needed.
• Q4: How is your customer service?
  A: 24-hour online service with 48-hour problem resolution (except in special cases).
• Q5: How about your after-sales service?
  A: Online installation and commissioning instructions provided. Well-trained engineers available for overseas service (subject to non-epidemic conditions).