Surface down-the-hole drill rigs
Leopard™ DI550
- Hole diameter
- 90.0 - 165.0 mm (3.5 - 6.5 in.)
- DTH-hammer
- 4, 5 and 6 in. (Sandvik RH550)
- Flushing air capacity
- 24.4 m³/min at 24 bar

Leopard™ DI550 diesel-powered, down-the-hole (DTH) drill has enhanced mobility, a smaller footprint and can serve multiple sites. Designed for DTH blasthole drilling in mining, quarry and construction industries, it comes with an operator’s cabin, fixed boom, dry dust collector and drill pipe changer.
Features
-
Accurate control system
The drill rig features an accurate control system with simple icon displays, enabling seamless cooperation of man and machine.
-
Clever compressor management system
The 24.4 m³ compressor airflow at 24-bar pressure and 328 kW diesel engine make the rig a perfect match for the 5-inch DTH hammer. All equipment power is fully utilized, resulting in lower energy consumption and operating costs while driving productivity.
-
Modular design
The simple-to-service modular design means the components are easy to access, reducing downtime and increasing productivity. All daily maintenance points are located at ground level to simplify the process and improve service personnel safety.
Product specifications
- Hole diameter
- 90.0 - 165.0 mm (3.5 - 6.5 in.)
- DTH-hammer
- 4, 5 and 6 in. (Sandvik RH550)
- Flushing air capacity
- 24.4 m³/min at 24 bar
- Drill rod/tube diameter
- 76, 89, 102 and 114 mm (3, 3.5, 4 and 4.5 in.)
- Rotary head
- HTRH6
- Engine type
- Caterpillar C13 (Tier 3 and 4)
- Engine output power
- 328 kW /1800 rpm (Tier 3 and 4)
- Cabin
- HVC550 (High visibility)
- Production capacity
- 1,85 Mt/a, one shift
- Transport length
- 12 m (38 ft)
- Transport width
- 2.5 m (8.2 ft)
- Transport height
- 3.3 m (11.0 ft)
- Weight
- 23,000 kg (50,700 lb)

Learn more about Leopard™ DI550 features
Ergonomic cabin
The modern, overpressurized and ROPS and FOPS-certified ergonomic cabin, with efficient filtration for incoming and recirculating air, excellent visibility and modern LED lighting – further add to operator comfort.
Efficient dust collector
The efficient dust collector with non-stop cleaning decreases dust emissions into the environment. It also improves filter lifetime and therefore reduces the need for maintenance.