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Velson - Drilling Dynamics
V9XL side view with the mast at an incline, hydraulic hose runs and winch visible along the feed beam
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V9XL

Heavy-duty crawler rig for large-diameter mud and DTH drilling.

Heavy-duty crawler rig with a 180HP deck engine, running both DTH and mud-rotary. Drills 4.5″–12″ boreholes to 450 m by DTH, and up to 350 mm (13.77″) to 100 m with mud circulation. A twin-motor rotary head, 7.6 m heavy-duty mast, and four-corner stabilisers carry the 15-ton build across gradient terrain.

Max Depth
450m
Hole Diameter (min)
114mm
Hole Diameter (max)
600mm
Max Pull-up
19000kgf
Platform
crawler

Full spec sheet

01

Application

Hole diameter
4.5″ to 12″ borehole - DTH
350 mm (13.77″) borehole - DTH
600 mm borehole - rotary with mud circulation
Max drilling depth
450 m (1,475 ft) at 4.5″–12″ by DTH
100 m (330 ft) at 350 mm by DTH
100 m (330 ft) at 600 mm by mud rotary

02

Prime mover

Chassis
Crawler-mounted; deck engine 180 HP @ 2,400 RPM
Max engine torque
660 N·m @ 1,200–1,900 RPM
Fuel tank capacity
180 L
Travel speed
2.5 km/hr
Gradeability
35° @ mast rest condition

03

Mast & feed

Mast
Heavy-duty box-type structure
Height 7.6 m
Drill rod length 3.04 m (10 ft)
Drill rod diameter
90–152 mm
Feed system
Hydraulic cylinder driven steel rope and chain
Max pull-up force
19,000 kgf (186 kN)
Max pull-up speed
20 m/min
Max pull-down force
12,000 kgf (118 kN)
Max pull-down speed
30 m/min

04

Rotary head

Configuration
Two hydraulic orbit motors - mud with DTH type
Max torque
5.6 kN·m
Max rotation speed
145 RPM
Head travel length
4.7 m

05

Rod handling

Rod breakout
Hydraulic foot clamp with braking system
Clamping range 89–300 mm

06

Hydraulics

Main pump flow
230 LPM variable-displacement pump
Auxiliary pump
Fixed-displacement gear pump
Max system pressure
200 kgf/cm² (2,850 psi)
Hydraulic tank volume
610 L (160 gallons)
Hydraulic oil cooler
Fin-type with hydraulic fan

07

Operator & controls

Operating panel
Mounted in rear corner

08

Safety & stabilisation

Stabiliser jacks
Four hydraulic jacks, box-type guide

09

Dimensions & weight

Length
7.6 m
Width
2.5 m
Height
3.35 m
Total weight
≈ 15,000 kg

10

Optional equipment

Other features
4-ton top winch
Analog level indicators
Spirit level on mast
Mast rest
Foldable control-box cover
Powder-coated finish

Custom build, parts, or service for the V9XL?

Our team is the team that built the rig. Send a note with your application and we'll route it to engineering.