Trailer drilling rig B25-AH for well drilling, geological exploratory drilling and ground exploration up to 50m depth.
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For well drilling, geological exploratory drilling and subsoil exploration

Trailer rig B 25 AH

Our drill rigs are used for well drilling, geothermal drilling and geological exploration drilling. We can also provide you with solutions for almost all types of piling mode. The low weight and compact design enable you to reduce your investment costs to a minimum.

Our technology is innovative, allowing you to achieve excellent performance with minimal effort. We can equip our B-series drill rigs with customised features to meet your requirements.

The powerful B-series compact Drill Rigs allow you to make drill holes even in locations which are difficult to access. With a transport width between 80 and 95 cm and a height of just 195 cm, these Drill Rigs will fit through standard doors, enabling you to access any building.

The standard chain chassis ensures that you reach your drilling location even on difficult terrain. Our small and compact Drill Rigs also ensure that you can travel to the site easily right from the start: All you need is a car trailer to transport them to the site.

With two parking supports as standard, 3 optional. Parking support on the drawbar.
Good usability of the trailer drilling rig B 25 AH.
ADLER geared drill head.
The water pump is always with you!
Stable parking support.
Trailer drill B 25 AH.
other drills on request.


Broschüre Bohrgeräte B-Serie
Size: 5.4 MB


  • short set-up times
  • immediately usable
  • Ideal for depths up to approx. 50 m with drill diameters of approx. 170 mm
  • Excellently suited for geological explorations and subsoil investigations
  • down to 50 m


  • Well drilling
  • Geothermal drilling
  • Geological exploration drilling

Characteristics of B 25 AH

Flush drillingDepth: 50 m / Diameter: 170 mm
Down-the-hole hammer drillingDepth: 50 m / Diameter: 120 mm
Dry drillingDepth: 15 m / Diameter: 125 mm
Hollow stem auger procedureDepth: 15 m / Diameter: 180 mm
Subsoil assessmentyes
Probing for unexploded bombsyes

Technical specifications

Power unit (Kubota engine)3 cyl. / 18,5 kW / 25 hp diesel
Tank capacity30 l
Support feet2 x hydraulic
Drill pipes1,5 m
Feed length1,8 m
Feed8 kN
Retraction force15 kN
Mast lowering 200 mmoptional
FeedsystemHydraulic motor with roller chain
Hydraulic drill head with lateral rinsing head clearanceABK 400: 120 daNm / 90 U/min 2“
hydraulic drill head with transmission (2-stage) passage 2 1/2“1st gear (slow): 213 da.Nm / 41 rpm 2nd gear (fast): 106 da.Nm / 83 rpm other speeds and torques possible
Mud pump40 m3/h – 5 bar
Lift Clamp Passage / Lifting force / strokeup to Ø 219 mm / 80 kN / 200 mm
Oblique drillingoptional
Lift Clamp Passage / Lifting force / strokeup to Ø 219 mm / 80 kN / 200 mm
Offset drillingoptional
Transport dimensions (L / B / H) (incl. trailer)5.100 / 1.800 / 2.100 mm
Weight basic unit with trailer1,7 t

Trailer rig B 25 AH

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