DTH Drilling Rigs · EB-D8A8602388
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 bench 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.
- Quarry bench and blast-hole drilling
- Surface mining production drilling
- Construction rock 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
- Integrated drilling and compressed air layout for DTH operations
- Mast and feed structure configured for surface blast-hole drilling
- A mobile rig configuration integrating key drilling functions on a single carrier
Actual machine photos showing the current appearance, structure, and visible condition of this used equipment.
Buyer considerations
Is this machine suitable for your project?
When discussing suitability, please explain the target hole diameter, site conditions and delivery schedule to GLOBMACH, and inquire about the specific equipment, configuration and quotation.
Inquire about this machine