Soil investigation rig

The dynamic probing rig on crawler GTR 790 is very compact and universal combo device for dynamic probing, drilling and impact sampling.

Powered by a reliable Honda GX 390 petrol engine it is designed to support different add-on components. For example, dynamic probing operations with SPT characteristics or shallow core drilling can be carried out. Laid out as a fully hydraulic machine with integrated auto reverse valve and folding mast it features lateral steel boxes for rods and tools and take-up brackets for the hydraulic rod extraction unit, clamps, ground plate and an weather protection umbrella. The GTR 790 is a modern state-of-the-art soil investigation rig and the industry standard.

Main functions - standard and optional:

- dynamic probing DPL, DPM, DPH and DPSH (SPT),

- rotary drilling with flight augers

- hammering the window samplers

The device is designated to geotechnical soil investigation acc to EN 22476-2 standard.