HFG-33J Jumbo Drilling Rig

  • Hole depth : 5268/5843/6140mm
  • Work coverage: 168 m²
  • Diesel engine power: Cummins 173kW

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Work coverage up to 168 m²
Large tunnel and mining drilling jumbo with direct control,equipped with three heavy duty booms & eagle type high boom base, greatly increasing working coverage. Multiple drifter models used for this machine to meet various needs of customers.


1. Drifter
The dual buffering HF103 /HF 104 rock drill drifter for the best service life of drill tools.
and lubricating all gear connections to reduce inner pollution of the drifter.
2. Hydraulic feed beam
Heavy duty aluminum alloy feed beam with long service life and high tolerance to bending and distortion.
covered by stainless steel wrapper and lined by synthetic wear resistant pads between moving parts.
3. Chassis
Articulated heavy duty chassis, 4 wheels drive.
Driven by six cylinder diesel engine with low
exhaust emission
Four hydraulic support legs keeping the jumbo stable.
4. Drilling system
Drilling auto control system, with auto collaring & rotation pressure controlling feed, feed pressure controlling percussion & auto anti-jamming.
HANFA unique hole bottom flushing system for cleaner holes.
5. Hydraulic boom
Box type heavy duty boom with multiple coordination to realize precise hydraulic all direction parallel holding.

FOPS with height adjustable safety canopy.
Cable reel
Electric driven reciprocal compressor
Electric pressurized water pump
LED working lights


Side view

Work coverage

 Dimensions ( mm )
Width 2,926
Canopy height min. 3,089
Canopy height max. 3,789
Length 16,565
Ground clearance 396
Inner / outer turning radius 6,700 / 12,100
Tramming speed ( km / h )
On flat ground >17
On slope with height / distance ratio of 1 : 8 >6
 Weight ( kg )
Total weight 42,000
Boom side 32,000
Engine side 10,000
Recommended cable specifications & length
Voltage ( V ) 400
Size ( mm² ) 4 x 185 + 3 G 35
Diameter ( mm ) 55
Length ( m ) 100

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