Drilling Diameter：Φ100-140mm(4″-5 1/2″)
Capacity of Compressor：18m³/min(636cfm)
Pressure of Compressor：2.0MPa(290Psi)
Diesel Engine：Cummins QSL8.9-C325-30,242kw/325hp/ 2200r/min

Drilling Diameter: Φ115-152mm(4 1/2″-6″)
Capacity of Compressor: 20m³/min(706cfm)
Pressure of Compressor : 2.2MPa(319Psi)
Diesel Engine: Cummins QSL8.9-C360-30,265kw/360hp/ 2200r/min

Drilling Diameter：Φ135-190mm(4 1/2″-7 1/2″)
Capacity of Compressor：22m³/min(777cfm)
Pressure of Compressor：2.4MPa(348Psi)
Diesel Engine：Cummins QSZ13-C400-30,298kw/400hp/ 2200r/min

Drilling Diameter：Φ135-190mm(4 1/2″-7 1/2″)
Capacity of Compressor：22m³/min(777cfm)
Pressure of Compressor：2.4MPa(348Psi)
Diesel Engine：Caterpillar C11,287kw/390hp/ 2200r/min

Drilling Diameter：Φ152-203mm(4 1/2″-8″)
Capacity of Compressor：26m³/min(918cfm)
Pressure of Compressor：2.5MPa(363Psi)
Diesel Engine：Caterpillar C13,328kw/446hp/ 2200r/min

Drilling Diameter: Φ135-190mm(4 1/2″-7 1/2″)
Capacity of Compressor: 22m³/min(777cfm)
Pressure of Compressor: 2.4MPa(348Psi)
Diesel Engine:Cummins QSZ13-C400-30,298kw/400hp/ 2200r/min