Leopard DI550 Down-the-hole drill rig

DI550 Down the hole drill rig

Leopard DI550 diesel-powered, down-the-hole (DTH) drill has excellent mobility, a smaller footprint and the ability to serve multiple sites. It is a machine trusted by mining and construction companies, and contractors engaged in pre-split and regular production blasthole drilling.

With its 328 kW diesel engine and a 24.4 m³ compressor airflow at 24-bar pressure, it is a perfect match for the 5" DTH hammer. All power is fully utilized, translating into low energy consumption, low operating costs and top productivity. The rig performs efficiently and economically also with 4" and 6" hammers. On top of high performance and productivity, the machine offers a first class operator environment with solutions that enable seamless interaction of man and machine: the operator handles drilling and the automation takes care of all machine controls.


  • Perfect match for the 5" hammer
  • First-rate fuel economy
  • Low operation costs
  • Modern and accurate control system
  • Unobstructed component layout
Technical data
Recommended hole diameter 90 - 165 mm (3 ½ - 6 ½ in.)
Drill rod / tube diameter 76, 89, 102 and 114 mm (3, 3 ½, 4 and 4 ½ in.)
DTH-hammer 4, 5 and 6 in. (Sandvik RH550)
Engine type Caterpillar C13 (Tier 3 and 4)
Engine output power 328 kW /1800 rpm (Tier 3 and 4)
Flushing air capacity 24.4 m³/min, at 24 bar
Operator cabin HVC550 (High visibility)
Certificate ROPS and FOPS
Transport Length 12.0 m (38 ft)
Transport Width 2.49 m (8.2 ft)
Transport Height 3.29 m (11 ft)
Weight approx. 23,000 kg (50,700 lb)