| Customization: | Available |
|---|---|
| Certification: | CE, ISO 9001:2008 |
| Condition: | New |
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Horizontal direction drill rig
The DDW-250 HDD Rig adopts the rubber crawlwe chassis. The rotary head driven by chain and motor, pullback force and thrust force is 25T. 
Specifications
| Dimensions | |
| Length/Width/Height Entry angle Machine weight Track width |
6400*2280*2150 mm 11.5-17º 7.6 ton 350 mm |
| Engine | |
| Make Gross power rating Rated speed Fuel tank capacity |
Cummins 125 KW 2200 rpm 200 L |
| Drilling unit | |
| Travel system Speed Rear stabilizer Hydraulic hose carrier Lighting system |
self-propelled on steel track with rubber shoes 0-2.0 km/h, forward & reverse 2 chain type cabin, rotary head |
| Hydraulic system | |
| Max pressure (rotary & carriage) Max pressure (control sys.) Hydraulic tank capacity |
23MPa 21MPa 500 L |
| Operator station | |
| Cabin Control system |
Canopy or full closed, climate control with A/C hydraulic pilot control |
| Rotary drive | |
| Maximum rotary torque Maximum rotary speed Drive shaft floating |
9000 Nm 130 r/min 70 mm |
| Carriage | |
| Carriage system Maximum thrust/pullback force Max travel speed Max travel distance |
rack and pinion drive 250KN 24 m/min, 3.5 m |
| Wrench assembly | |
| Wrench design Max breakout torque Max makeup force Clamp/grip range |
open-top style 20000 Nm 250 KN 50 -120 mm |
| Pipe loader | |
| Automatic pipe loader Magazine capacity |
uses 3 m drill stem. 40 pipes per box |
| Stake down system | |
| Stake down operation Stake down anchors |
Hydraulic 2 |
| Mud pump | |
| Onboard mud pump Volume rate Maximum pressure |
triplex piston pump 250 L/min 8 Mpa |
| Mud minxing unit | |
| Tank capacity Mud pipe inlet |
1.7 m3 2" * 8 m |
| Drill pipe | |
| Length ( each section) Outside tube diameter Thread type |
3000 mm 73 mm NC23/79 |
| Pilot drill bit | |
| Beacon housing | suitable for wireless/wireline transmitter |
| Tools | |
| Back reamer Diameter | 260, 330, 430, 530, 630, 730, 820 mm |
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