DOUBLE HEAD

DH4

The DH4 is a double-head system: two gearboxes head the casing and the inner rod independently. This size is designed to fit standard carrier devices.

DH4 drilling head
DH4

X-Series integrated

OVERVIEW
WEIGHT185 – 215 kg
TRACTION100 kN
TORQUEup to 5000 Nm
ROTATIONup to 192 min⁻¹
PERCUSSION FREQUENCYup to 3000 min⁻¹
TECHNICAL SPECIFICATIONS

Gear box 1 / Casing RH4X

Motor type103103105105
GEAR1212
TORQUE · Nm3300165050002500
ROTATION · min⁻¹9619264128
p = 200 bar · Q = 100 l/min

Gear box 2 / Inner rod RH2X

Motor type87878888
GEAR1212
TORQUE · Nm174086021201060
ROTATION · min⁻¹9218475150
p = 200 bar · Q = 50 l/min

Option percussion unit

Type10
OPERATING PRESSURE · bar140 – 180
OIL CAPACITY · l/min25 – 40
SINGLE BLOW ENERGY · Nm… 180
NO. OF BLOWS · min⁻¹… 3000

Options

Hydraulic, electric or manual shifting
Mounting plates
Floating spindle
Percussion unit type 10
Drilling accessories
DIMENSIONAL DRAWING
DIMENSIONAL DRAWING DH4
ALL DIMENSIONS IN MM
IMPRESSIONS FROM THE FIELD
EURODRILL DH4
DH4
EURODRILL DH4
DH4