RENK MAAG

What RENK MAAG does

RENK Group AG is a German publicly listed company (Frankfurt Stock Exchange) headquartered in Augsburg that designs and manufactures mission-critical drive solutions for defense and civil end markets. Its portfolio spans six interlocking product families: Marine Systems (single- and dual-engine gearboxes, special marine gearboxes, shaft generators, marine clutches, hybrid and electric propulsion, marine bearings, and onboard power grids for naval vessels); Military Vehicle Drivetrains (mission-critical transmissions including the HSWL 354 for the Leopard 2 main battle tank of which 4,000+ units have been produced, AVDS-1790 combat vehicle engines, final drives, suspension systems, track-tension systems, and electrification/hybrid mobility solutions); high-speed Turbo Gear systems (helical, planetary, integral/MULTICOM, vacuum, clutch gearboxes, and RECOVAR variable-speed systems); Industrial Gearboxes for stationary applications (mills, extruders, hydropower); Slide Bearings (E-bearings with monitoring, vertical, horizontal, and turbo configurations); and Mechanical Couplings (gear, RAFLEX flexible disk, ELCO torsional flexible, HYGARD safety, diaphragm, and synchronous clutch couplings). The company also supplies Test Systems (RDDS automation, plus dedicated test rigs for automotive, agriculture, defense, special vehicles, railway, aviation, and windpower) and supports product selection through SBCALC-ONLINE and Coupling Configurator tooling. End customers include more than 70 armies worldwide and more than 40 navies and coastguards.

The company monetizes primarily through B2B hardware sales across defense, marine, and industrial product lines, complemented by recurring professional-services revenue from after-sales maintenance, modernization, condition monitoring, spare-parts management, lifecycle support, and contract manufacturing (hardening, mechanical and gear manufacturing, metrology, and testing-facility services). Pricing is quote-based and not publicly disclosed. Go-to-market is enterprise field sales with direct engagement of military procurement authorities and industrial customers globally; distribution is supplemented by an online storefront for standardized items such as E-bearings and couplings. Marketing channels center on trade events (Eurosatory, Naval Expert Symposium 2025 in Augsburg), press releases, the corporate website, an investor-relations portal (ir.renk.com), and recruitment marketing. The company has expanded its scope beyond pure mechanical drive solutions into military-vehicle electrification, hybrid propulsion, an energy-transition vertical covering hydrogen applications, and a next-generation heavy unmanned ground vehicle concept co-developed with Patria.

Note on input data: the firmographic block describes a different, much smaller private entity 'RENK MAAG' (Winterthur, Switzerland, founded 2007, 51-100 employees, website renk-maag.ch), which is inconsistent with the detailed record for RENK Group AG (Frankfurt-listed, Augsburg-based, multi-decade history, 70+ army customer base, 4,000+ HSWL 354 transmissions). This analysis is grounded in the dominant, more detailed evidence set describing RENK Group AG.

Name

RENK MAAG

Legal name

RENK Group AG

Website

https://renk-maag.ch

Company type

Public

Founded year

2026

Operating status

Operating

Headcount range

51–100 employees

Short description

RENK Group AG is a German publicly listed manufacturer of mission-critical drive solutions—including gearboxes, transmissions, propulsion systems, slide bearings, couplings, and test systems—serving defense and civil markets via deployments across more than 70 armies and 40 navies worldwide.

Ownership category

akta.pro rank

Product category

Mission-critical drive systems

NAICS

Military Armored Vehicle, Tank, and Tank Component Manufacturing (336992), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing (336415)

SIC

Special Industry Machinery, Nec (3559), Guided Missiles & Space Vehicles & Parts (3760)

akta.pro primary industry

Military & Tactical Off-Highway Vehicles (Armored, Tactical Mobility) (IMAHAIAJ)

akta.pro secondary industries

Propulsion Drives, Gearboxes & Shaftlines (IMAJAHAD), Military Tactical Wheeled Vehicles (Light/Medium/Heavy) (IMABAJAK), Propulsion MRO, Spares & Field Service (Overhauls, retrofits, upgrades) (IMAJAHAN), Propulsion Integration, Commissioning & Testing (Factory/sea trials, alignment) (IMAJAHAM)

Keywords

• Military vehicle transmissions
• Marine propulsion gearboxes
• Industrial gearbox manufacturing
• Slide bearings couplings
• Defense drive solutions

Headquarters

HQ city

Winterthur

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain

Revenue model

1. Defense Products Sales: Sale of mission-critical drive solutions including gearboxes, transmissions, final drives, engines, suspension systems, and electrification components to military customers worldwide
2. Marine Products: Single engine gearboxes, dual-engine gearboxes, special marine gearboxes, shaft generators, marine clutches, marine bearings, and onboard power grid solutions for naval applications
3. Industrial Gearboxes: Gearboxes for mills, extruders, and hydropower plants
4. After-Sales Service & Spare Parts: Maintenance, modernization, condition monitoring, spare parts management, and lifecycle services for installed solutions
5. Contract Manufacturing: Hardening, mechanical manufacturing, gear manufacturing, metrology services, and testing facility services
6. Slide Bearings: E-bearings, vertical bearings, horizontal bearings, and turbo slide bearings along with spare parts, refurbishment, and field service
7. Couplings: Gear couplings, flexible disk couplings (RAFLEX), torsional flexible coupling (ELCO), safety couplings (HYGUARD), diaphragm couplings, and synchronous clutch couplings

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

RENK MAAG engages in the design and manufacture of mission-critical drive solutions, including turbo and integral gears, bespoke gearboxes, and synchronous clutch couplings, serving defense and civil markets with a portfolio covering military vehicle transmissions, marine propulsion systems, and industrial drive technology.

Product overview

RENK is a German industrial manufacturer producing mission-critical drive solutions across defense and civil markets. The company offers a comprehensive portfolio of mechanical power transmission products organized into six main categories: Marine Systems (gearboxes, clutches, hybrid propulsion, bearings, power grid solutions for naval vessels), Military Vehicle Drivetrains (transmissions including the HSWL 354 for Leopard 2, engines, final drives, suspension systems, track tension, and emerging electrification/hybrid solutions), Turbo Gear high-speed industrial gearboxes (helical, planetary, integral, vacuum, and variable speed systems), Industrial Gearboxes for stationary applications (mills, extruders, hydropower), Slide Bearings (including e-bearings with monitoring capabilities, vertical, horizontal, and turbo configurations), and Mechanical Couplings (gear, flexible disk under RAFLEX brand, torsional flexible under ELCO brand, safety under HYGUARD brand, diaphragm, and synchronous clutch couplings). The portfolio also includes Test Systems for validating components across automotive, agriculture, defense, special vehicles, railway, aviation, and windpower sectors. Online configurators support product selection for slide bearings and couplings. The company serves over 70 armies and 40+ navies worldwide with products designed for extreme reliability in demanding operational environments.

Differentiator

Problem solved

Functional benefit

Products and services

• HSWL 354 Transmission A transmission product designed for military vehicle applications, supporting tracked and wheeled defense platforms.
• Heavy UGV Solutions Drive solutions engineered for heavy unmanned ground vehicles used in defense applications.
• Hybrid & Electric Marine Solutions Marine propulsion solutions for naval and commercial vessels, incorporating hybrid and electric drive architectures.
• E-bearings Electronic bearings designed for demanding industrial drive applications.
• Test Systems Test systems used to validate and qualify drive technology performance.
• Variable Speed Systems Variable speed drive systems for industrial applications requiring flexible speed and torque control.

Quantifiable outcome

• More than 70 armies worldwide rely on RENK's technological innovations
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• PatriacoreStrategic or Co-development Partner · 1 January 2026RENK and Patria jointly presented a next-generation heavy unmanned ground vehicle (UGV) concept at Eurosatory 2026. This strategic partnership combines RENK's drivetrain and mission-critical drive solutions expertise with Patria's vehicle systems capabilities to develop advanced UGV technology for defense applications.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ZF Friedrichshafen AG: ZF is a direct peer — it produces military drivetrains (transmissions, axles), marine propulsion systems, and industrial gearbox technology, overlapping directly with RENK's military vehicle, naval, and industrial portfolios across both defense and civil markets.
• Patria Oyj: Patria is a direct peer and co-development partner — the two firms jointly developed the next-generation heavy UGV concept presented at Eurosatory 2026, making Patria both a collaboration partner and a competitor in armored wheeled vehicle systems for NATO militaries.
• Flender (Siemens AG): Flender, now part of Siemens, is a direct peer in industrial gearboxes for mills, extruders, marine, and hydropower, and competes with RENK's industrial and marine gearbox lines in identical end markets with overlapping technology bases.
• Rolls-Royce Power Systems (MTU): Rolls-Royce / MTU is a direct peer in military vehicle engines (e.g., Leopard 2 powerpack engine), naval propulsion engines, and diesel/gas drive systems, supplying many of the same 70+ armies and 40+ navies that RENK serves.
• Allison Transmission Holdings: Allison is a direct peer in military and commercial vehicle transmissions (including tracked and wheeled armored vehicle drivetrains), supplying defense customers globally with a comparable mission-critical transmission franchise.
• Voith GmbH & Co. KGaA: Voith is a direct peer in high-power industrial gearboxes (hydro, mills), marine propulsion (Voith Schneider Propeller, marine transmissions), and drive solutions for defense and energy-transition applications, serving similar customers with comparable technology.
• David Brown (Clyde Blowers Capital): David Brown (now owned by Clyde Blowers) is a direct peer in industrial gearboxes for heavy-duty applications (mining, mills, marine) and is one of the closest comparables to RENK's industrial gearbox product family in metallurgy, scale, and end-market exposure.

Broad incumbents

• BAE Systems Land & Armaments: BAE Systems is a broad incumbent in armored combat vehicles (Bradley, AJAX) and a large global defense prime with significant integrated drivetrain capabilities serving the same Western military customer set as RENK.
• General Dynamics Land Systems: General Dynamics (Land Systems) is a broad incumbent that competes in main battle tanks (Abrams), infantry fighting vehicles, and armored platforms — comparable customer relationships and mission-critical drivetrain requirements to RENK's tank-transmission business.
• Rheinmetall AG: Rheinmetall is a broad incumbent and RENK's majority owner; it is the Leopard 2 OEM and vertically integrated prime contractor for armored vehicles and military systems, making it both a customer (Leopard 2 platform) and a potential integrator of drivetrains RENK currently supplies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 RENK MAAG