Advantages:
Needless to replace the internals of the engine head, just handle the handle to operate it.
Easy to operate. More time-saving and effortless. Drilling faster and more efficient.
Have reached the Tip-top level of the same field now, and allow to be replaced with the same kind of the domestic products.

Applications:
Available for drilling, splitting breaking, ramming, shovelling. And widely used in mining, road-contruction, quarrying and national defense construction, etc.

Technical specifications:
Weight of the main engine: 27kg
Type of carburetor: Non carburetor float
Ignition system: Controllable silicon contactless system
Exhaustion: 185cm³
Rotating speed of engine with load (measured in five holes drilling): ??2450r/min
Idling rotating speed of drill rods: ??200r/min
End of tool shank hex: 22*108mm
Max. Drilling depth: ??6m
Tank capacity: ??1.14L
Drilling speed: ??250mm/min
Mixing proportion of gas and lubrication(by capacity): 12: 1
Spark plug electrode gap: 0.5-0.7mm