DTH Drilling Rigs · EB-60129C3E5D
Zhigao D440
Blast-hole drilling in quarries and surface minesInquire about this machine ↗Used Zhigao D440 integrated open-air DTH (DTH) drilling rig for quarry, open-pit mine blast-hole and construction rock drilling.
- Brand
- Zhigao
- Model
- D440
Machine applications
The Zhigao D440 series comprises integrated surface DTH drilling rigs for quarry production holes, presplit holes and buffer holes. The D440+ configuration combines an onboard air compressor, automatic rod changing equipment, rotary head and dry dust collection system.
- Construction rock drilling
- Quarry bench and blast-hole drilling
- Surface mining production drilling
Technical Parameters & Equipment Features
Equipment performance and construction applications
Zhigao D440 · Technical Features and Applications Technical Parameters D440+ hole diameter: 90–127 mm (applies to: D440+) D440+ drilling depth with automatic rod changing: 28 m (applies to: D440+) D440+ engine power: 194 kW (applies to: D440+) D440+ air supply pressure: 20 bar (applies to: D440+) D440+ compressor air delivery: 16 m³/min (applies to: D440+) Main Technical Features • D440+ configuration with automatic rod changing equipment • Onboard two-stage air compressor • Dry two-stage dust collection and automatic filter cleaning • Crawler undercarriage, cab and chain feed system Construction Applications • Quarry production blast holes • Presplit and buffer holes • Slope pressure relief and surface rock drilling Configuration and Selection Parameters and corresponding configurations apply to D440+; match the specific version to the full nameplate model and accessory list when purchasing.
Machine features
- A mobile rig configuration integrating key drilling functions on a single carrier
- Integrated drilling and compressed air layout for DTH operations
- Mast and feed structure configured for surface blast-hole drilling
Actual machine photos showing the current appearance, structure, and visible condition of this used equipment.
Buyer considerations
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