Gasoline driven rock drill similar to the Pionjar and cobra rock drills.

Suitable for many different applications.

No compressor or hydraulic power pack needed.

Very practical for work in remote areas were access with bigger machines is limited.

The YN27C is delivered in a practical wooden box with spare parts kit, tools, manuals and drill rod with chisel bit.

We also have wedges, drill rods and drill bits suitable for the YN27C.

Specifications YN27C

Technical specifications

Weight of machine………………….........27kg

Overall dimensions……………………….746*315*229mm

Type of engine…………………………….single cylinder, air cooled two strokes.

Cylinder diameter*stroke of piston……..58*70mm

Rotating speed of engine……………….≥2450r/min

Displacement of engine piston…………185cm3

Type of carburetor……………………….hand needle valve,floatless type

Ignition system…………………………...controllable silican, contactless system

Drilling speed....................................…..250mm/min-400mm/min

Max drilling depth…………………………6m

Fuel consumption………………………..≤0.12L/m

Tank capacity……………………………..≥1.5litre

Mixture ratio of gasoline and lubrication oil (in volumes)………..12:1

End of drill rod dimensions……………..hexagonal 22*108mm

Rotation speed of drill rod………………≥200 rounds/min

Clearance of spark plug…………………0.5-0.7mm