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Development drill rigs

DD421

Coverage
60 m²
Hole length
3.44 - 4.66 m
Tramming type and distance
Hydrodynamic transmission - Diesel engine - MB OM904LA (110 kW, Tier 3, Stage IIIA)
DD421 Development drill rigs

Sandvik DD421 is a two-boom, electro-hydraulic mining development drill offering highly accurate drilling and efficient control, due to adjustable drilling settings that optimize drilling performance.

Features

Product specifications

Coverage
60 m²
Hole length
3.44 - 4.66 m
Tramming type and distance
Hydrodynamic transmission - Diesel engine - MB OM904LA (110 kW, Tier 3, Stage IIIA)
Hole diameter
43 - 64 mm
Number of booms
2 x SB60
Drift size (H x W)
4.5 x 4.5 m
Feed length
Fixed TF500 12 to 16 ft or telescopic TFX 6-12 ft. to 10-16 ft.
Rock drill
RD525 25kW
Voltage
380 - 690 V (multi voltage)
Controls type
THC561, hydraulic controls
Weight
24,500 kg (depending on options)
DD421 Development drill rigs

Learn more about DD421 features

FOPS/ROPS-approved cabin  

Enhance the comfort and safety of operators with a FOPS/ROPS-approved (ISO 3449) cabin. Features include air-conditioning and safety-laminated windows.  

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Parts and components

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