Wagon Drill JRD-120 Top Hammer Bull Drifter (BBC-120F) capable of drilling hole Range from DIA 48 to DIA 76mm used in open cast mines and underground for tunnel works etc…for drilling and blasting purposes. The Drill is mounted on rugged box frame, fitted on wheels for easy shifting from hole to hole can drill holes from vertical to horizontal. The drill is fitted with TOP Hammer Bull Drifter Model Equivalent to BBC-120F, Feed unit and Self propulsion Units.

Drifter (BBC-120F) Bull Drifter is a powerful & Robust Pneumatic Top-Hammer ideally suited for mechanized drilling applications such as Bench drilling, Grout-hole drilling, Long-hole production drilling, Ditching or Trenching work. Bull Drifter is capable of drilling holes between DIA 48mm to DIA 76mm (1.89” to 3.0”) with the use of R32 (1¼”) / R38mm (1½”) extension drill rods.


  • Stable drilling capabilities
  • Structurals designed for extra rigidity
  • Rear wheel swivelable by 90oto prevent movement during toe hole drilling
  • Effectively braked wheels with telescopic adjustable stabilizers in the front, holding the unit firmly
  • Easy maneuverability – both in manual and self-propulsion modes


Hole Diameter48mm ~ 76mm ( 1⅞” ~ 3”)
Extension Rod (Dia)R32 / R38 ( 1¼” / 1½”)
Extensions Rod Length3mtrs. (10ft) (optional 2mtrs (6ft))
Top Hammer Bull Drifter Model Equivalent to BBC-120F
Piston Diameter120 mm
Piston Stroke65 mm
Impact Rate35 Hz
Impact Power7.2 KW
RPM Range0 – 180
Chuck for Drill Steel38.1 mm
Feed Force21.5kN
Total Length (Feed)5000mm
Travel Length4650mm
MountingMounted on Rugged Box Frame, Fitted on wheels with front Wheel drive
Recommended Air Compressor7Bar Working Pressure / FAD : 450 up to 600CFM
Transport Length5000mm (16.4ft)
Transport Width2040mm (6.7ft)
Transport Height1050mm (3.5ft)
Weight approx.1500kg (55,336 lb)