Geotechnical Engineering picks Isuzu: fleet upgrade and load safety notes for site teams
Reviewed by Joe Ashwell
First reported on The Construction Index
30 Second Briefing
Geotechnical Engineering has replaced its previous 7t light commercials with four 13.5t Isuzu F-Series trucks, supplied via Aquila Truck Centres and fitted with bespoke Truck Hydraulics beavertail bodies. Each vehicle uses a three‑metre ramp to keep load angles below 20°, allowing safer loading of heavier, more sophisticated plant and drilling rigs while increasing payload capacity per trip. The move standardises on Isuzu drivelines already used in much of the firm’s plant, aiming to cut transport cycles and maintenance complexity on ground investigation projects.
Technical Brief
- Four 13.5-tonne Isuzu F-Series chassis supplied via Aquila Truck Centres underpin the new fleet.
- Bespoke Truck Hydraulics beavertail bodies are engineered specifically around Geotechnical Engineering’s plant envelope and weights.
- Three‑metre hydraulic ramps with sub‑20° approach angle reduce winch loads on tracked drilling rigs.
- Low ramp angle also limits undercarriage impact, important for crawler rigs with extended mast overhangs.
- Isuzu F-Series selection was driven by manoeuvrability requirements on constrained ground investigation sites and access tracks.
- Common Isuzu diesel drivelines across trucks and site plant simplify spares holdings and diagnostic tooling.
- Aquila and Truck Hydraulics jointly tuned chassis–body integration to maximise legal payload while retaining stability margins.
Our Take
Isuzu 13.5‑tonne rigids are appearing repeatedly in our UK Infrastructure coverage, with Coyle Equipment Services and Elliotts both recently specifying similar weights, suggesting this size class is becoming a de facto standard for mixed urban–rural construction and geotechnical logistics fleets.
The move from 7‑tonne to 13.5‑tonne gross weight vehicles in the UK context typically allows geotechnical contractors to carry heavier plant (e.g. small rigs, tracked dumpers) in a single trip, which can materially cut mobilisation time and driver hours on short-duration investigation jobs.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
Related Articles
Related Industries & Products
Construction
Quality control software for construction companies with material testing, batch tracking, and compliance management.
Mining
Geotechnical software solutions for mining operations including CMRR analysis, hydrogeological testing, and data management.
GEODB-io
Centralised geotechnical data management solution for storing, accessing, and analysing all your site investigation and material testing data.
QCDB-io
Comprehensive quality control database for manufacturing, tunnelling, and civil construction with UCS testing, PSD analysis, and grout mix design management.