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Commercial Vehicles

Efficiency on the Road – Lightweight Design that Moves

In the commercial vehicle sector, every kilogram counts – because weight impacts range, payload, fuel consumption, and CO₂ emissions.
This is where aluminium casting comes into play: as a material, aluminium combines low weight with high strength and corrosion resistance – offering the ideal foundation for powerful, efficient, and sustainable vehicle concepts.

Our Process

Casting technology consulting

Tooling: Pattern and gravity die construction

Processes

Mechanical machining

Surface Treatment

Assembly

Casting technology consulting

We assess the feasibility of your components and develop tailored solutions. With our proficiency in sand casting, gravity die casting, and mechanical processing, we bring your vision to life with precision and high quality.

  • Casting Process Simulation
    Precision starts with planning. Our simulations ensure optimal results and minimize development risks.
  • Aluminum Alloys
    Customized to your requirements: From heat-resistant special alloys for traffic tunnels to corrosion-resistant AlMg alloys for seawater applications, and high-strength AlCuTi alloys for safety-critical components—we offer the right solution for every application.
Tooling: Pattern and gravity die construction

From concept to reality: We produce precise models for sand casting and high-quality steel molds for gravity die casting. These customized foundations perfectly implement your requirements.

Processes
  • Prototype Production
    Fast, flexible, and precise: We bring your ideas to life and develop prototypes that meet your specifications.
  • Sand Casting and Gravity Die Casting
    Our versatility and precision provide the ideal solution for every requirement—whether single parts or series, small or large.
  • Castforging
    For the highest demands on precision, strength, and surface quality: Squeeze casting combines the advantages of casting and forging, delivering exceptional results.
Mechanical machining

Using state-of-the-art 4- and 5-axis CNC machining centers, we produce ready-to-install aluminum cast components, perfectly aligned with the foundry process.

Surface Treatment

Customized finishing and protection: In collaboration with our partners, we offer a wide range of surface treatments—from powder coating and wet painting to anodizing.

Assembly

Ready-to-install components—precisely tailored to your requirements and prepared for immediate use.

From idea to installation

Everything from a Single Source

We provide not just components but complete solutions. From the initial concept through development to assembly-ready components, we support you at every stage of your project. Our comprehensive services guarantee quality and efficiency from a single source:

  • Casting Consultation
    We assist you with our expertise right from the development phase. Together, we develop economical and technical casting solutions perfectly tailored to your requirements.
  • High-End Manufacturing
    With cutting-edge technologies and decades of experience, we realize your components with the highest precision – from prototypes to series production.
  • Assembly
    Ready-to-install components – precisely tailored to your requirements and prepared for immediate use.

Why Grohmann is Your Ideal Partner

The Grohmann Group is more than a supplier of aluminum cast components—we are your strategic partner for innovative and customized solutions in drive technology. Our combination of advanced technologies, decades of experience, and comprehensive service guarantees you the highest quality, precision, and efficiency.

Comprehensive Support:

We guide you through every step of the project – from the initial idea through development to production and assembly. Our goal is not just to deliver components but complete solutions perfectly tailored to your requirements.

Extensive Expertise:

With proficiency in sand casting, gravity die casting, and castforging, we offer the right technology for every application. Our longstanding experience in drive technology makes us a reliable partner for complex and demanding projects.

Customized Solutions:

We don’t think in terms of standards but develop individual solutions precisely tailored to your needs. From prototypes to series production—our flexibility enables us to not only meet but exceed your expectations.

Everything from a Single Source:

With our broad range of services – from casting consultation through manufacturing to surface finishing and assembly – we reduce interfaces and ensure smooth project execution.

Technological Excellence:

State-of-the-art technologies such as casting process simulations and 4- and 5-axis CNC machining ensure the highest precision and efficiency. Through the use of customized aluminum alloys, we offer solutions that combine durability, corrosion resistance, and optimal functionality.

Sustainable Solutions:

Our aluminum cast components contribute to weight and energy consumption reduction, promoting environmentally friendly mobility and industry.

Your added value

Everything from a single source

The Grohmann Group stands for a consistent and seamless range of services. From the initial idea through development to series production and assembly – we keep an eye on the entire process. Our central coordination, combined with the specialised expertise of our locations, guarantees you maximum efficiency, quality and reliability.

With our comprehensive portfolio and our passion for aluminium casting solutions, we offer you more than just products – we create convincing partnerships.

Grohmann Group – aluminium casting in perfection, from a single source.

Stability,
that drives

Whether in the engine, drivetrain, chassis, or structural components – aluminium casting enables significant weight reduction without compromising stability or durability.
This pays off especially in vehicles exposed to high daily loads: reduced axle loads, less wear, corrosion resistance, and improved fuel efficiency.

Every application presents its own unique challenges. Whether for single parts, small batches, or large-scale production, complex geometries or specific material properties – we develop tailor-made solutions to meet your exact requirements.

Our flexibility in manufacturing and service makes us a reliable partner – regardless of your project’s scope.

  • Grohmann ALUWORKS
    Heidelbergstr. 54
    72406 Bisingen
  • +49 (0)7476 / 9413-0
  • info@grohmann-aluworks.de

Driving the Commercial Vehicles of Tomorrow – Together

Aluminium Parts – Perfect for Commercial Vehicles

As an experienced partner to the commercial vehicle industry, we offer far more than just castings: we deliver ready-to-install aluminium components – from the initial design to the fully tested part.
Using advanced casting methods such as forging, sand casting, and gravity die casting, along with high-precision CNC machining, automated assembly lines, and refined surface treatments, we manufacture components built for durability, high load capacity, and consistent series quality.

Our focus lies in expert technical consulting, cast-optimized design, and absolute delivery reliability.
Together with our customers, we develop solutions that perform – on the road, off-road, and under extreme conditions.

Fully Machined Components – Integrated Solutions from One Source

At Grohmann, you get more than just castings – we offer complete solutions.
Thanks to our extensive vertical integration, components leave our production ready for installation and assembly: precisely manufactured, efficient, and ready for use.

Grohmann Group – Smart Aluminium Solutions for Commercial Vehicles

With cutting-edge technology, extensive experience, and a clear focus on quality and efficiency, we develop solutions that set new standards in the automotive industry.
Rely on the Grohmann Group to realise your projects efficiently, reliably, and sustainably.

Grohmann Group – Aluminium Casting Excellence for Commercial Vehicles.