The Equipment Horizontal Directional Drill DDW250C adopts the rubber crawler chassis. It is small and movable. The feeding or pulling can be realized by the chain-drive motor system. The rotary head is driven by double motor. It is equipped with its mud pump (250L/min.) and open-type control cabin. The HDD Rig is adaptable for the small diameter tunnel crossing projects in the downtown and outskirts.
PRODUCT PARAMETERS
ENGINE
|
Power rating at 2200rpm
|
(kw)
|
125
|
Fuel tank capacity
|
L
|
200
|
HYDRAULIC SYSTEM
|
Hydr. oil tank capacity
|
L
|
500
|
Pressure Hydr.
|
Mpa
|
20-23
|
ROTARY HEAD UNIT
|
Max torque
|
(Nm)
|
9000
|
Rotary speed
|
(r/min)
|
0-130
|
MAST TYPE
|
Feed force
|
(kn)
|
250
|
Full back force
|
(kn)
|
250
|
Drill rod (dia ×length)
|
(Mm)
|
73×3000
|
Free working length
|
(M)
|
3.55
|
Entry drill angle
|
(°)
|
12-16
|
CHASSIS Track Rubber
|
Gruond Drive Speed
|
Km/h
|
1.5
|
Width Chassis
|
Mm
|
2250
|
Rubber Track Width
|
Mm
|
350
|
Overall Chassis Length
|
Mm
|
2700
|
CLAMP
|
Max.Clamp Forece
|
KN
|
250
|
Max.Wrench Torgue
|
Nm
|
20000
|
MUD PUMP
|
Max flow
|
(L/min)
|
250
|
Max pressure
|
(mpa)
|
8
|
Mud mixing
|
(m3)
|
2 or 3
|
Transport dimensions DDW250C (L×W×H)
|
(m)
|
6.40×2.28×2.15
|
weight
|
(T)
|
7.6
|