Geislinger

What Geislinger does

Geislinger GmbH is an Austrian, family-owned manufacturer founded in 1958 and headquartered in Hallwang/Salzburg, specializing in torsional vibration management for high-performance drivelines. The company designs and produces steel spring and viscous torsional vibration dampers (Geislinger Damper, VDAMP), torsional elastic high-damping couplings (Geislinger Coupling, SILENCO acoustic coupling), composite misalignment couplings and shaftlines (GESILCO family, CARBOTORQ, COMPOSHAFT), and torsional vibration monitoring systems (Geislinger Monitoring System Mk6 with cloud-based Geislinger Digital Solutions). Under third-generation family leadership by Adrian Geislinger and Torsten Philipp, the company operates wholly-owned subsidiaries in the USA, China, South Korea, and Japan, complemented by a global service partner network, with manufacturing concentrated in Austria (Hallwang HQ and Bad St. Leonhard production site) and South Korea for the world's largest dampers.

Geislinger sells customized, tailor-made powertrain components primarily to enterprise customers in marine (cruise ships, ferries, tankers, LNG carriers), wind power, power generation, rail, and off-highway industries, plus an emerging electric and hybrid powertrain segment (Geislinger E-Drive) and a consumer sports sub-brand (Levitaz Hydrofoils). Revenue is generated through one-time equipment sales of custom-engineered solutions, a growing recurring subscription business via Geislinger Digital Solutions AI-powered fleet monitoring, and ongoing after-sales service agreements. Pricing is quote-based with multi-year contracts, and customer relationships often span decades, with documented product lifetimes exceeding 30 years and 178,000 operating hours.

The company's competitive position rests on 60+ years of torsional vibration engineering expertise, proprietary composite materials and acoustic technologies protected by trademarks (GESILCO, SILENCO, VDAMP, COMPOWIND), and a vertically integrated Austrian manufacturing base. Recent strategic moves include the 2020 capacity expansion at Bad St. Leonhard, the 2022-2023 launch of the GDS platform and Mk6 monitoring system transitioning the company into subscription-based digital services, and the Geislinger E-Drive product line extending the portfolio into electric marine powertrains. Named enterprise customers include Stena Line, CPO Containerschiffreederei, Blohm+Voss, Vestas, and MAN Energy Solutions.

Name

Geislinger

Legal name

Geislinger GmbH

Website

https://geislinger.com

Company type

Private

Founded year

1958

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Geislinger GmbH is an Austrian, family-owned manufacturer (founded 1958) of torsional vibration dampers, high-damping couplings, composite shaftlines, and AI-powered monitoring systems for high-performance drivelines serving marine, wind power, power generation, and industrial enterprise customers globally.

Ownership category

akta.pro rank

Product category

Industrial Powertrain Components (Couplings, Dampers, Shaftlines)

NAICS

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Engines & Turbines (3510)

akta.pro primary industry

Brakes, Clutches & Couplings (Electromagnetic Brakes, Torque Limiters) (IMAGACAK)

akta.pro secondary industry

Motor Encoders, Feedback & Condition Monitoring (Encoders, Vibration, Predictive) (IMAGACAJ)

Keywords

• Torsional vibration dampers
• High-damping couplings
• Composite shaftlines
• Powertrain monitoring systems
• Wind turbine couplings

Headquarters

HQ city

Hallwang

HQ country

Austria

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure

Revenue model

1. Customized Powertrain Components: Geislinger designs, engineers, and manufactures customized couplings, dampers, and shaftlines for high-performance drivelines. Each product is tailored to specific application requirements with minimal cost of ownership, outstanding service life, and high reliability. Revenue is generated through product sales with long-term service relationships.
2. Geislinger Digital Solutions: Cloud-based monitoring and analytics platform for torsional vibrations. Includes hardware (Mk6 monitoring system) and software/subscription services (Geislinger Analytics Platform). Enables predictive maintenance and fleet monitoring with AI-powered anomaly detection. Customers include shipping companies like Stena Line with multi-year service agreements.
3. After-Sales Service & Support: Global network of subsidiaries and service partners provide after-sales services worldwide. Offers tailored service agreements, spare parts supply, and technical support to ensure lowest cost of ownership.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Geislinger designs, engineers, and manufactures tailor-made torsional vibration dampers, high-damping steel spring couplings, viscous dampers, lightweight carbon-fiber composite shaftlines, misalignment couplings, and torsional vibration monitoring systems for high-performance drivelines. The portfolio is sold under trademarks including GESILCO, SILENCO, VDAMP, CARBOTORQ, COMPOWIND, and GMS. The Geislinger Digital Solutions cloud platform adds AI-powered predictive maintenance, monitoring, and fleet analytics on top of the hardware.

Product overview

Geislinger develops and produces torsional vibration dampers, torsional elastic high-damping couplings, misalignment couplings, composite shaftlines, and torsional vibration monitoring systems for high-performance drivelines. The core product portfolio centers on the Geislinger Coupling (steel spring damper), Geislinger Damper (tuned torsional vibration damper), and Geislinger VDAMP (viscous damper), complemented by the GESILCO family of composite products including GESILCO Butterfly, GESILCO Shaftline, GESILCO Composhaft, and GESILCO Disc. Specialized offerings include the SILENCO acoustic coupling for noise reduction, CARBOTORQ elastomer coupling, and COMPOWIND for wind turbine applications. The Geislinger Hub connects fiber-reinforced composite shafts. Monitoring capabilities are delivered through the Geislinger Monitoring System (GMS) hardware and Geislinger Digital Solutions cloud platform with AI-powered analytics. A sports sub-brand, Levitaz Hydrofoils, produces racing hydrofoils. The company operates as a single unified product portfolio where dampers, couplings, shafts, and monitoring systems are sold both individually and as integrated powertrain solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Levitaz Hydrofoils: Sports brand under Geislinger that equips kite- and wingfoil racing athletes with high-performance hydrofoils made in Austria. Powered athletes to three Olympic medals at the 2024 Paris Olympic Games.

Products and services

• Geislinger Coupling A torsional elastic, high-damping steel spring coupling with hydrodynamic damping properties, designed for high-performance drivelines in marine, power generation, rail, construction, wind power, industrial, and motorsports applications.
• Geislinger Damper A tuned torsional vibration steel spring damper that protects engine crankshafts, camshafts, intermediate and propeller shafts by reducing engine-excited torsional vibration and eliminating critical resonances; diameters range from 0.2 m to 5 m.
• Geislinger VDAMP A viscous torsional vibration damper with broadband effect that converts vibration energy into heat to protect engine camshafts and crankshafts; suitable for 2-stroke and 4-stroke engines and industrial applications; producible up to 5 m outer diameter.
• Geislinger SILENCO Coupling Acoustically optimized misalignment coupling that minimizes structure-borne sound transfer; modular system combining composite materials, rubber, and steel with high misalignment capacity and maintenance-free composite membranes.
• Geislinger GESILCO Butterfly Maintenance-free misalignment coupling made from lightweight composite materials that compensates radial, axial, and angular misalignments with low reaction forces and high shock resistance; patented design with openings in the intermediate shaft for easy assembly.
• Geislinger GESILCO Shaftline One-piece carbon fiber composite shaftline with integrated fiber flange connection, approximately 50% lighter than steel solutions, available in lengths up to 12 meters and torque range 1-700 kNm.
• Geislinger GESILCO Composhaft Lightweight misalignment coupling with composite double membranes and intermediate shaft in a modular installation concept; torque range up to 1,000 kNm and diameters up to 2 m.
• Geislinger GESILCO Disc Lightweight, electrically insulating flat membrane coupling providing high torque transmission with non-conductive and non-magnetic properties; intended for closed-coupled generator sets and wind turbine powertrains.
• Geislinger CARBOTORQ Lightweight maintenance-free elastomer coupling combining advanced composite material with silicone elastomer; minimizes reaction forces and bearing loads while delivering torsional elasticity and misalignment capacity.
• Geislinger COMPOWIND Fatigue-resistant, maintenance-free fiber composite low-speed shaft (LSS) coupling for next-generation integrated medium-speed wind turbine drivetrains; enables rigid gearbox mounting without elastomer-hydraulic supports.
• Geislinger Hub Fiber-reinforced composite shaft coupling connecting cylindrical solid shafts via a bolted flange design; offers higher rigidity and lower weight than conventional hub designs with torque range of 140-745 kNm.
• Geislinger Digital Solutions Cloud-based online monitoring and analytics platform combining the GMS Mk6 hardware with AI-powered analytics to deliver predictive maintenance, anomaly detection, and remote fleet performance insights for marine and industrial operators; sold via multi-year subscriptions.
• Geislinger Monitoring System (GMS) - Mk6 Hardware system for torsional vibration measurement and monitoring on large diesel engines, creating warnings and alarms when pre-defined vibration levels are exceeded and enabling damper condition assessment and misfiring detection; Mk6 variant supports up to 4 engines on a single display and connects to the Geislinger Analytics Platform.
• GeislingerE-Drive A lightweight electric marine powertrain product leveraging Geislinger's expertise in composite materials and driveline engineering, targeted at marine operators pursuing electric propulsion.
• Levitaz Hydrofoils Sports hydrofoil product line (sub-brand of Geislinger) producing high-performance hydrofoils for kitefoil and wingfoil racing athletes, including the R5 and R6 Race Series; powered athletes to three Olympic medals at the 2024 Paris Olympic Games.

Quantifiable outcome

• VDAMP can reduce noise emission by at least -5 dB depending on installation space and boundary conditions
• +4 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature8 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• ADS van STIGTcoreChannel Partner/ Reseller/ Distributor · 1 September 2024Dutch service partner co-exhibits with Geislinger at major maritime events including Europort Rotterdam, Electric & Hybrid Marine Expo. Provides installation and service support for Geislinger products in Netherlands and broader European region.
• Levitaz HydrofoilscoreOEM/ Whitelabel/ Licensing Partner · 1 September 2024Sports brand of Geislinger producing high-performance hydrofoils for kite- and wingfoil racing. Powered athletes to three Olympic medals at 2024 Paris Games. R6 Race Series latest product.
• Blohm+VosscoreStrategic or Co-development Partner · 1 May 2024Geislinger supplying new damper system and Geislinger Digital Solutions for Blohm+Voss powerplant in Hamburg. Dual-fuel facility upgrade including mechanical and digital monitoring components.
• RWTH Aachen UniversityminorStrategic or Co-development Partner · 1 April 2024Collaboration with Chair for Wind Power Drives at RWTH Aachen on powertrain technology research, specifically investigations on noise and tonality in wind turbines.
• AVL ListminorStrategic or Co-development Partner · 1 April 2024Engineering partnership for powertrain development. AVL conducted pre-post study validating Geislinger coupling effectiveness through 3D multi-body simulation.
• VestasminorStrategic or Co-development Partner · 1 March 2023Co-authored paper on optimizing NVH behavior of wind turbine powertrains through technology transfer across industries. Collaboration on wind power drivetrain technology.
• WinergyminorStrategic or Co-development Partner · 1 March 2023Collaborated with Geislinger on wind turbine powertrain technology transfer studies, particularly regarding structure-borne sound propagation.
• Stena LinecoreStrategic or Co-development Partner · 1 January 2023Swedish shipping company Stena Line partnered with Geislinger for multiple engine monitoring on the Stena Britannica ferry. Upgraded from Mk4 to Mk6 monitoring systems on two MAN diesel engines. Enables predictive maintenance and remote monitoring through Geislinger Analytics Platform.
• CPO ContainerschiffreedereicoreStrategic or Co-development Partner · 1 December 2021German shipping company CPO contracted for installation of Geislinger Mk6 monitoring systems across 8 vessels in their 'Italian Fleet' plus 5-year subscription to Geislinger Digital Services. Pilot installation on MSC La Spezia was successful.
• MAN Energy SolutionscoreTechnology or Integration · 1 January 2011MAN diesel engines equipped with Geislinger monitoring systems and dampers. Long-standing technology partnership for large 2-stroke engine applications in marine propulsion.

Scale indicators6 records

Recent moves9 records

Expansion highlights6 records

Others

• Wärtsilä: Wärtsilä is a major marine engine manufacturer and a direct customer for Geislinger dampers and monitoring systems through long-standing technology partnerships. They are comparable as a maritime powertrain technology integrator.
• MAN Energy Solutions: MAN Energy Solutions is a key OEM customer of Geislinger (dampers and monitoring on marine diesel engines) and a comparable large-scale powertrain specialist. They are adjacent rather than competitive but shape the broader powertrain ecosystem.

Broad incumbents

• Flender (Siemens): Flender, a Siemens subsidiary, manufactures couplings and gearboxes for industrial and wind applications. They compete with Geislinger in wind turbine drivetrain solutions and industrial coupling markets.
• Regal Rexnord (Kop-Flex): Regal Rexnord's power transmission segment produces flexible disc couplings, gear couplings, and torque products for marine and industrial markets. They serve overlapping applications with broad product portfolios.
• Voith Turbo: Voith is a much larger industrial conglomerate offering couplings, Voith Schneider propellers, and drive systems for marine and energy markets. They compete with Geislinger in marine propulsion while serving broader industrial markets.

Direct peers

• Renk Group (formerly Rolls-Royce Power Systems): Renk produces gear units, couplings, and test systems for marine, naval, and stationary applications. Their couplings and torque converters address the same driveline challenges as Geislinger in military and commercial marine markets.
• Centa Power Transmission: Centa manufactures flexible couplings and torsional vibration dampers for marine, rail, power generation, and industrial drivelines. Their high-damping couplings directly overlap with Geislinger's Geislinger Coupling and GESILCO product families.
• David Brown (Clyde Blowers Capital): David Brown manufactures gear drives and couplings for marine, mining, and heavy industrial applications. They compete directly with Geislinger in providing customized high-performance driveline solutions.
• Vulkan Drive Tech: Vulkan is a direct competitor specializing in flexible couplings, torsional vibration dampers, and drivetrain monitoring for marine and industrial applications. They compete head-to-head with Geislinger in marine propulsion couplings and condition monitoring systems globally.
• KTR Systems: KTR Systems is a major German manufacturer of mechanical power transmission components including torsionally flexible couplings, torque limiters, and damping elements. They serve overlapping industrial and power generation markets to Geislinger.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@geislinger

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Geislinger