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Home Drilling Rigs Geotechnical Dando Terrier MK2


The new compact, versatile Dando Terrier MK2 has been designed specifically for sampling and testing for site investigation and environmental analysis. Crawler mounted for easy access to areas of restricted space, the Terrier MK2 is extremely reliable, competitively priced and simple to operate and maintain.



Purpose built crawler chassis with rubber tracks.
Steel deck fitted with tilt mechanism, allowing rig to operate vertically on slopes inclined up to 30 degrees from horizontal. Incorporates controls, engine mounting and tool storage.


16HP water cooled diesel engine provides power to the hydraulic system for drilling, rigging and tracking.

Mast Assembly

Steel mast hydraulically raised and lowered, incorporating 300mm hydraulic mast dump.
1.3m stroke.
Swing out pullback ring.
Swing out drive hammer assembly.
Automatically deployed rod guide.
Automatic transit lock.
1m measurement scale for easy monitoring of depth progress.

Mast Capacity

Pulldown: 1000kgf

Pullback: 7000kgf

Drive Hammer

Split-weight drive hammer that runs on a single guide bar. Swings out at any height on a stainless steel guide rod.
Fully guarded weight.
63.5kg reduced to 50kg with the removal of 8 bolts for SPT & dynamic probing.
Single piece drive adapter.
Hydraulic automatic stop for when hammer reaches end of working stroke.
Hammer Speed: 0-50 blows pm.
Hammer Drop: 500-750mm.
Hammer Weight: 50kg or 63.5 kg.

Hydraulic PTO

Flow for PTO: 20 lpm

Max. Working Pressure: 152 bar

Control Panel

Drilling/rigging controls mounted at side of the rig. Includes emergency stop and system pressure gauge. Illuminated digital SPT blow counter available as an option.
Tracking controls at the rear of the rig with folding foot plate. Radio remote control tracking available as an option


Folding stabiliser legs.

Hydraulic stabilisers available as an option.

Quick Connect Circuit

Fitted as standard to the hydraulic system. Circuit is protected by a separate pressure relief valve and has a variable flow control valve fitted to the control panel for fine control.
Powers the trip hammer as well as other optional equipment.

Drilling Depth

30m (depending on geology and sampling technique.)


1128kg (depending on specification.)

PDF Specification Sheet


300mm hydraulic mast dump

Automatic stop on the trip hammer

Swing out trip hammer at any height

Can trip out multiple rods

Stainless steel guide rod

New split weight design- 63.5kg reduced to 50kg with the removal of 8 bolts. No additional brackets

Single piece drive adapter

Swing out pullback ring allows open access to the borehole 

Revised control console 

Lightweight folding stabiliser legs with ball jointed adjustable jack feet. Hydraulic option available

Automatic transit lock. No additional pins needed for road transportation



SPT blow counter

Hydraulic foot clamp


Remote mast kit

Fixed wide track carrier

Hydraulic power take off

Radio remote control

SPT calibration

Rotary mast

Various engine options

Hydraulic stabiliser legs

Concrete coring head

Vice options

Ball clamp

Lift off storage baskets


Terrier MK2 Drilling in the UK