Turning and Milling
High-level Machining for Large Components
TURNING
Our experienced team precisely meets all your requirements — using state-of-the-art vertical lathes.
Big in Shape, Precise in Details.
When it comes to contract manufacturing of large components, Horst Jung GmbH & Co. KG is the place to go. Our specialty is the machining of medium-sized and large individual parts and small-batch series. We machine workpieces weighing up to 160 tons, with diameters of up to 16 m and heights of up to 10 m. Our powerful machines and experienced specialists guarantee precision up to the smallest detail – even when the dimensions are gigantic. Thanks to cutting-edge turning technology, advanced mechanics and customized manufacturing processes, we deliver quality which customers from the mechanical engineering, energy, and plant construction industries have relied on for decades.
Our Vertical Lathes
Double-column vertical lathe with milling and drilling unit and a movable gantry
Technical Specifications
- Maximum turning diameter: 8 000 mm
- Rotary table diameter: 6 300 mm
- Maximum turning height above faceplate: 6 000 mm
- Maximum workpiece weight: 150 t
- Ram cross-section: 400 × 400 mm
Double-column vertical turning lathe with milling and drilling unit and movable table
Technical Specifications
- Maximum turning diameter: 5 000 mm
- Faceplate diameter: 4 500 mm
- Maximum turning height above faceplate: 3 500 mm
- Maximum workpiece weight: 100 t
- Ram cross-section: 320 × 320 mm
Single-column vertical turning lathe with milling and drilling unit
Technical Specifications
- Maximum turning diameter: 16 000 mm
- Faceplate diameter: 6 500 mm / 8 000 mm
- Maximum turning height above faceplate: 10 000 mm
- Maximum workpiece weight: 350 t
- Ram cross-section: 450 × 450 mm
Single-column vertical turning lathe with milling and drilling unit
Technical Specifications
- Maximum turning diameter: 14 000 mm
- Faceplate diameter: 8 000 mm
- Maximum turning height above faceplate: 6 300 mm
- Maximum workpiece weight: 200 t
- Ram cross-section: 400 × 400 mm
Double-column vertical turning lathe with milling and drilling unit
Technical Specifications
- Maximum turning diameter: 4 340 mm
- Faceplate diameter: 3 770 mm
- Maximum turning height above faceplate: 3 550 mm
- Maximum workpiece weight: 40 t
- Ram cross-section: 280 × 280 mm
Single-column vertical turning lathe
Technical Specifications
- Maximum turning diameter: 5 800 mm
- Faceplate diameter: 3 500 mm
- Maximum turning height above faceplate: 3 350 mm
- Maximum workpiece weight: 30 t
- Ram cross-section: 250 × 250 mm

No Need to Worry –Your Workpiece is in the Best Hands!
We ensure a smooth process where you can count on the highest quality. From personal coordination with you and the procurement of any required accessories to the on-time completion of your component, we take care of every detail. So your project can move forward reliably.
Capacities

Do you have questions or need an individual offer? Get in touch with us!
MILLING
With over 40 years of experience, we precisely meet all technical specifications. Using state-of-the-art milling technology, the latest tools, and a wide selection of milling heads, we are able to handle particularly large and heavy workpieces.
Milling Expertise for Large Dimensions
When it comes to the milling of large workpieces, every detail matters. And that’s exactly where our strengths lie: With modern CNC milling machines, highly qualified personnel and decades of know-how, we precisely and efficiently handle even complex workpieces with huge dimensions. Our machines are designed for high flexibility and large dimensions of up to 20 m in length and 7 m in height – ideal for individual pieces, pre-machining, or dedicated drilling operations.
Our customers rely on us to machine heavy components precisely down to hundredths of a millimeter – efficiently, reliably, and at the highest technical standards.
Our Milling Machines
Horizontal Drilling and Milling Machine, type HCW3
Travels:
- Column (X-axis): 16 000 mm
- Headstock (Y-axis): 6 000 mm
- Crossrail ram travel (Z-axis): 1 500 mm
- Drilling spindle travel (W-axis): 1 500 mm
- Combined ram and spindle travel (Z + W): 3 000 mm
Technical Specifications:
- Spindle speed: 0–2 000 rpm
- Main drive power: 100 kW
Horizontal Drilling and Milling Machine, type HNC
Travels:
- Column (X-axis): 20 000 mm
- Headstock (Y-axis): 7 000 mm
- Crossrail ram travel (Z-axis): 1 000 mm
- Drilling spindle travel (W-axis): 1 000 mm
- Combined ram and spindle travel (Z + W): 2 000 mm
Technical Specifications:
- Spindle speed: 0–900 rpm
- Main drive power: 100 kW

When Milling Reaches Mastery
With powerful CNC milling machines, we work on complex and large-scale workpieces precisely according to the customer’s individual specifications – quickly, efficiently and absolutely reliably. Thanks to a wide variety of milling heads, we can economically handle even the most demanding milling tasks – while always maintaining consistently high quality.
Do you have questions or need an individual offer? Get in touch with us!
COMPANY
Horst Jung GmbH & Co. KG – Your specialist for the precise machining of large-dimensioned and heavy workpieces.
Large-part machining in the heart of Siegerland
We are Horst Jung GmbH & Co. KG – your specialist in the machining of large and heavy components. Each of the 200 to 250 workpieces we machine every year is a one-off or part of a small series, either newly manufactured from raw parts or professionally refurbished as components in need of repair. Everything is powered by electricity from 100% renewable energy sources.
What sets us apart? It’s not just our precision, experience, and quality – we’re also known for quick decision-making, direct communication, and a pragmatic approach to problem-solving. We don’t waste time talking; we get things done. And our service ensures that everything runs smoothly.
Our History
1985
Founding of Horst Jung GmbH & Co. KG
1985-1986
Acquisition of real estate and various large-scale machines, construction of our current main production hall, and purchase of drilling, milling, and turning machines.
1989-1990
Expansion of the main production hall and purchase of a new vertical lathe: Schiess-Froriep 80 DV single-column carousel lathe (16 meters diameter, 10 meters turning height).
1997
Acquisition of the SKJT 80–160 single-column vertical turning lathe.
2008
Energy-efficient refurbishment of existing buildings.
2011
Acquisition of a new 160-ton two-bridge crane.
2013
Purchase of the CKD SKDY 63-80D double-column vertical lathe and modernization of a SKODA W250HC HCW3 drilling machine.
2018
Acquisition of a Waldrich Siegen vertical machine ProfiTurn V5000/100-Y.
2023
Commissioning of a 197 kWp PV system, primarily for self-consumption.
2025
Order of a new horizontal drilling machine HCW2-200, transition to 100% renewable electricity.
Do you have questions or need an individual offer? Get in touch with us!
CAREER
We are looking for dedicated professionals to join our team. Start your future with us—we offer a wide range of responsibilities at a modern industrial company that combines tradition, innovation, and a strong team spirit.
Secure Workplace
Long-term perspectives and a stable job.
Health Benefits
We offer company sports programs and an employer subsidy for gym memberships.
Friendly Work Environment
Regular company events and a family-like atmosphere.
Job Bike Leasing
We offer the opportunity to lease your own work bike.
Job Openings
We are looking for hands-on professionals who are willing to take on responsibility. For us, quality is no coincidence – it is the result of decades of experience, specific training and continuous development. Our machining technicians are specialized in handling large work pieces and operate our high-tech machines with the utmost precision and responsibility. Many of them were trained in-house and have gained indispensable expert knowledge over the years. Their passion for technology and their skilled craftsmanship turn each workpiece into a masterpiece.
We purposefully invest into people, not just machines – because true quality starts with the right team.