Drilling Diameter: Φ90-130mm(3.5″-5 1/2″)
Capacity of Compressor: 15m³/min(530cfm)
Pressure of Compressor: 1.8MPa(261Psi)
Diesel Engine: Yuchai YCA07240-T300,176kw/300hp

Drilling Diameter: Φ80-105mm(3″-4 1/2″)
Capacity of Compressor: 12m³/min(425cfm)
Pressure of Compressor: 1.5MPa(218Psi)
Diesel Engine: Yuchai YC6J220-T303,162kw/220hp

Diesel Engine：Yuchai YC6J220-T303,162kw/220hp
Drilling Diameter：Φ80-115mm(3″-4 1/2″)
Capacity of Compressor：2m³/min(425cfm)
Pressure of Compressor：1.5MPa(218Psi)

Diesel Engine：Yuchai YC6J220-T300,162kw/220hp
Drilling Diameter： Φ90-105mm(3.5″-4″)
Capacity of Compressor：12m³/min(425cfm)
Pressure of Compressor：1.5MPa(218Psi)

Drilling Diameter:Φ80-115mm(3″-4 1/2″)
Capacity of Compressor: 15m³/min(530cfm)
Pressure of Compressor: 1.7MPa(250Psi)
Diesel Engine: Yuchai YC6A260-T30,195kw/265hp

Drilling Diameter:Φ90-130mm(4″-5″)
Capacity of Compressor:17m³/min(600cfm)
Pressure of Air Compressor: 1.7MPa(250Psi)
Diesel Engine: Yuchai YCA08280-T300,205kw/280hp or Cummins QSC8.3-C260-30 ,194kw/260hp