Custom crane systems – grab bridge cranes, gravel dredgers and special cranes – from design to service
KW Kranwerke GmbH
Mannheim (headquarters, design and manufacturing) · Shanghai (KW Cranes Shanghai Co., Ltd.)New on Amplifa
Crane building from Mannheim – design, manufacturing and service from a single source
KW Kranwerke GmbH is a medium-sized crane manufacturer based in Mannheim that develops, manufactures, installs and maintains custom crane systems and services. For over two decades, the manufacturing focus has been on fully automated grab bridge cranes for waste-to-energy plants, complemented by gravel and floating dredgers, harbor slewing cranes and special cranes such as beet sorting cranes or stoplog cranes for hydropower plants. Manufacturing encompasses in-house design, welded fabrication according to DIN EN 1090 and DIN EN ISO 3834-2, as well as installation and commissioning from a single source. Customers include waste incineration plants, gravel and sand extraction, the cement industry, inland and industrial ports, as well as biomass and digestion plants in Germany, Austria, Switzerland, Scandinavia, the Benelux countries and the United Kingdom. Since August 2019, the company has also been represented in Asia through its subsidiary KW Cranes (Shanghai) Co., Ltd. KW Kranwerke continues Mannheim's more than 200-year tradition of crane building.
- Site
- Mannheim
- Processes
- Design and engineering of custom crane systems (in-house design, design up to, Welding technology / welded fabrication (certified according to DIN EN 1090 and DIN EN ISO 3834-2), Grab bridge cranes for waste-to-energy (double-girder design with trolley, motor and, Cranes with motor grab (trolley with single-drum hoist, grab on 4 parallel individual ropes), Cranes with rope grabs (coupling-free trolley with double-drum hoist, electronic, Multi-shell and two-shell grabs (multi-shell grabs up to 18 m³), Gravel dredgers / floating dredgers (extraction of gravel and sand from dredging depths up to 180, Special cranes (e.g. beet sorting crane, machine house cranes with special functions, stoplog
- Materials
- Welded fabrication, Full automation, Retrofit
- Certificates
- DIN EN ISO 9001, DIN EN ISO 3834-2, DIN EN 1090 (welding certification), SCC (Safety Certificate for Contractors), ISO 9001, EN 1090, Other
- Founded
- 1998
- Industries
- Waste to energy / waste incineration plants, Gravel and sand extraction, Cement industry, Inland and industrial ports, Hydropower plants, Biomass and sewage sludge
- 01
Design and engineering
- 02
Welded fabrication
- 03
Installation and commissioning
- 04
Full automation and control technology
- 05
After-sales service, retrofit and spare parts service
Manufacturing processes and technology
Welded fabrication
Certified structural steel fabrication according to DIN EN 1090-2 and DIN EN ISO 3834-2 for jibs, bridges and steel load-bearing structures.
Full automation
Drive, automation and control technology including traffic management, assistance systems and energy recovery units.
Retrofit
Modernization of existing crane systems, e.g. slag and waste cranes, with new drive and control technology.
Locations
Mannheim
DEHeadquarters, design and manufacturing
- Part weight / size
- Load capacities up to 60 t
- Lot size
- Individual systems / customer projects
- Materials
- Structural steel, welded fabrication
- Welded fabrication according to EN 1090
Shanghai
CNSubsidiary KW Cranes (Shanghai) Co., Ltd. for the Asian market
Products and components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Design and engineering of custom crane systems (in-house design, design up toEngineering | – | – | – | – | – |
| Welding technology / welded fabrication (certified according to DIN EN 1090 and DIN EN ISO 3834-2)Joining | – | – | – | – | – |
| Grab bridge cranes for waste-to-energy (double-girder design with trolley, motor andEngineering | – | Span up to 38 m × Lifting height up to 40 m | Load capacity up to 30 t | – | – |
| Cranes with motor grab (trolley with single-drum hoist, grab on 4 parallel individual ropes)Engineering | – | – | – | – | – |
| Cranes with rope grabs (coupling-free trolley with double-drum hoist, electronicEngineering | – | – | – | – | – |
| Multi-shell and two-shell grabs (multi-shell grabs up to 18 m³)Engineering | – | – | – | – | – |
| Gravel dredgers / floating dredgers (extraction of gravel and sand from dredging depths up to 180Engineering | – | Dredging depths up to 180 m | Load capacity up to 60 t | – | – |
| Special cranes (e.g. beet sorting crane, machine house cranes with special functions, stoplogEngineering | – | – | – | – | – |
| Slewing cranes for inland and industrial ports (with rigid jib, single-link orEngineering | – | – | – | – | – |
| Portal slewing cranes and ship unloadersEngineering | – | – | – | – | – |
| Retrofit / modernization of crane systems (e.g. slag cranes, waste cranes, bridge cranes)Assembly | – | – | – | – | – |
| Installation and commissioning of crane systemsAssembly | – | – | – | – | – |
| Full automation of crane systems with state-of-the-art drive, automation andEngineering | – | – | – | – | – |
| Remote maintenance, on-call duty, breakdown service and repair (24/7 service)Assembly | – | – | – | – | – |
| Expert inspectionsTesting | – | – | – | – | – |
| Spare parts service for mechanical and electrical componentsAssembly | – | – | – | – | – |
Additional services
Reference customers
Approvals and certificates
The quality management system complies with DIN ISO 9001. Regular audits review process and product quality; welded fabrication is certified according to DIN EN ISO 3834-2 and EN 1090.
| Evidence | Mannheim |
|---|---|
| ISO 9001 | |
| EN 1090 | |
| Other |
History
- 1998
KW Kranwerke continues Mannheim's more than 200-year tradition of crane building (including Mohr and Federhaff, PS Förder- und Lagertechnik); initial focus on portal slewing cranes and ship unloaders as well as modernizations in the WtE sector in Germany and Austria.
- 2000
Changes in legal requirements for waste disposal lead to new waste incineration plants being built in Europe; KW Kranwerke achieves a leading market position in grab bridge cranes in the German-speaking region, Benelux, Scandinavia and the UK.
- 2019-04
Retrofit at Energieversorgung Offenbach AG.
- 2019-08
Founding of its own subsidiary KW Cranes (Shanghai) Co., Ltd. for the Asian market.