Drilling Diameter: Φ90-115mm(4″-5″)
Capacity of Compressor: 12m³/min(425cfm)
Pressure of Compressor: 1.5MPa(218Psi)
Diesel Engine: Yuchai YCA07240-T300,176kw/240hp/ 2200r/min

Drilling Diameter：Φ90-125mm(4″-5″)
Capacity of Compressor：17m³/min(600cfm)
Pressure of Compressor ：1.7MPa(250Psi)
Diesel Engine：Yuchai YCA08280-T300,205kw/280hp or Cummins QSC8.3-C260-30 ,194kw/260hp

Diesel Engine: Yuchai 75kw /100 HP
Max Drilling Depth: 280m/918ft
Drilling Dia.: 105-305mm(4 1/8″-12″)

Diesel Engine: Yuchai 85kw /115 HP
Max Drilling Depth: 280m/918ft
Drilling Dia.: 105-325mm(4 1/8″-12 3/4″)

Diesel Engine:Yuchai 92kw /125 HP
Max Drilling Depth:350m/1148ft
Drilling Dia.:105-325mm(4 1/8″-12 3/4″)

Diesel Engine:Deutz 103kw /140 HP
Max Drilling Depth:450m/1476ft
Drilling Dia.:105-350mm(4 1/8″-13 3/4″)