Excavator To Drill Conversion for Tunnel construction
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Model No.: WGQK-300
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The WGQK-300 isn’t just another Drilling Rig—it’s a workhorse built for the harshest job sites. Designed by ANNENG, a leader in Excavator Converted Drilling Rigs and rock processing equipment,
It’s built to pair seamlessly with our other gear, like Mining Rock Splitters, Taking into account blasting and drilling at the same time, it can achieve twice the result with half the effort. It can be applied to various scenarios such as quarrying, port construction, tunnel construction, etc., achieving multiple goals at one stroke.
How it works: Instead of just spinning, the bit pounds while rotating—like a jackhammer on a drill string. This “impact-plus-rotation” method breaks rock more efficiently than rotary-only rigs, especially in hard formations like quartzite.
This rig isn’t picky—it thrives in tough spots across industries:
The WGQK-300 is built to pass strict international checks:
Every rig gets a 48-hour run test before shipping—we don’t send out “testers.”
We don’t cut corners—here’s why the WGQK-300 lasts:
“We switched to the WGQK-300 last year, and it’s been a game-changer. In our granite quarry, we’re drilling 25 more holes per day than with our old rig, and fuel costs are down $1200 a month. The way it pairs with ANNENG’s Mining Rock Splitters? Total workflow win.”
— Carlos Mendez, Quarry Manager, Andes Stone Co. (Peru)
“Reliability is everything in remote mining. Our WGQK-300 runs 12-hour shifts, 6 days a week, in 40°C heat. We’ve had it 3 years, and the only downtime was for scheduled oil changes. Worth every penny.”
— James Wilson, Operations Director, Outback Mining (Australia)
“The dust suppression alone makes this rig better. Our crew used to go home covered in rock dust—now their PPE stays cleaner, and we’ve had zero respiratory complaints since switching. Plus, it’s just a beast at drilling through basalt.”
— Amara Okafor, Construction Manager, West African Roads (Ghana)
A: Daily checks (5 minutes) for fluids and loose bolts. Full service every 500 operating hours—our techs can walk you through it, or we can send a technician.
A: Yes—add our cold-weather package (heated hydraulic fluid lines and battery) and it works down to -20°C. We’ve got clients using it in Siberian mines.
A: 12 months on the engine and frame, 6 months on wear parts like bits and hoses. Extended warranties up to 3 years are available.
A: It depends on the rock—expect 80-100 holes in granite, 150+ in limestone. We sell replacement bits at wholesale for clients who buy the rig.
A: Yes, through our partner banks. Terms up to 36 months with 20% down—ask our sales team for details.
Whether you’re interested in the WGQK-300, our Excavator Converted Drilling Rigs, or Ultra-high pressure Rock Splitters, we’re here to help. Drop us a line for a quote or to schedule a demo:
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.