Diesel Engine

Model

Cummins 6CTA (turbocharged

and charge water cooled)

Displacement

8.3L (2.19 US Gallons)

Power

178kW (240HP)

Rated RPM(Factory setting)

2200rpm

Drilling Capacity

BQ

2000 m(6560 feet)

NQ

1600 m(5248 feet)

HQ

1300 m(4264 feet)

PQ

1000 m(3280 feet)

Drill Head

Rotation Motor

Double Hydraulic Motor

-variable and Reversible

Maker: SAUER-DANFOSS

RPM

Two Shifts/ Stepless Change 0-1100 RPM

Ratios

1st 8.776:1

2nd 2.716:1

Head Opener

sidewise sliding way with hydraulic drive

Hydraulic Chuck(PQ)

Hydraulically opened, Disc Spring Clamping, Normally C Closed Type Axial Holding Capacity of 222 400 N

Max. Torque

6400 N·m(4717 lbf·ft)

Hold Diameter

121 mm(4.76 inch)

Max. Lifting capacity of Spindle

220 kN(49456 lbf)

Max. Feeding Power

110 kN(24728 lbf)

Primary Pump

Hydraulic pump:

Axial Piston variable displacement Triplex pump for driving of rotator, winch mud pump & leveling jacks.With load sensing system.

Maker: DANFOSS

1st Pump:200LPM at 31.5MPa

2nd Pump:120LPM at 28MPa

3rd Pump:102 LPM at 16MPa

Hydraulic Tank

Capacity

420 L (111 US Gallons)

Capacity of Main

Hoist

Hoisting Speed (single wire)

38-70m/min(bare drum)

Hoisting force (single wire)

120kN(26976 lbf)

Steel Wire Diameter

22 mm(0.86 inch)

Steel Wire Length

50 m(164 feet)

Capacity of Wireline Hoist

Hoisting Force (single wire)

15 kN(3372 lbf) (bare drum)

Steel Wire Diameter

6 mm(0.24 inch)

Steel Wire Length

2000 m(6560 feet)

Mast

Mast Height

11 m(36 feet)

Mast Adjusting Angle

0°—90°

Drilling Angle

45º off horizontal to 90ºvertical down

Feeding Stroke

3800 mm(150 inch)

Slippage Stroke

1500 mm(59 inch)

Feed Pull

22000kg(48510 lb)

Feed Thrust

11000kg(24255 lb)

Rod Pull

3m or 6m(9.84feet or 19.68feet)

Mud Pump

Type

Reciprocating Pump Triplex Plunger

Model

BW320

Stroke

110mm(4.3 inch)

Output volume

320,230,165,118 L/min

(84.5, 61, 44, 31 US Gallons/min)

Discharge pressure

4.0, 5.0, 6.0, 8.0 Mpa

(580, 725, 870, 1160 psi)