RENK

Name

RENK

Legal name

RENK Group AG

Website

https://renk-group.com

Company type

Public

Founded year

1873

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

RENK Group AG is a German manufacturer of mission-critical drive systems — transmissions, engines, final drives, suspension, and hybrid propulsion — serving defense ministries, navies, and industrial customers in over 70 armies and 40 navies worldwide, with proprietary HSWL-family transmissions on Leopard 2, Puma, and K2 platforms.

Ownership category

akta.pro rank

Product category

Defense Drive Systems & Propulsion

NAICS

Military Armored Vehicle, Tank, and Tank Component Manufacturing (336992), Motor Vehicle Transmission and Power Train Parts Manufacturing (33635), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612)

SIC

Miscellaneous Transportation Equipment (3790)

akta.pro primary industry

Axle, Differential & Final Drive Manufacturing (Front/Rear/E-axle housings) (IMACAHAG)

akta.pro secondary industries

Military Tactical Wheeled Vehicles (Light/Medium/Heavy) (IMABAJAK), Military & Tactical Off-Highway Vehicles (Armored, Tactical Mobility) (IMAHAIAJ), Propulsion Drives, Gearboxes & Shaftlines (IMAJAHAD), Marine Hybrid & Electric Propulsion Systems (IMAJAHAC), Hydraulic Brake Systems (Master Cylinders/Calipers/Lines/Boosters) (IMACAIAD), Differentials, Axles & Final Drive Rebuild/Remanufacturing (TLAKALAC)

Keywords

• Military vehicle transmissions
• Naval propulsion systems
• Industrial gearboxes
• Slide bearings couplings
• Defense drive solutions

Headquarters

HQ city

Augsburg

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Vehicle Mobility Solutions: Sales of transmissions, engines, final drives, suspension systems, and electrification products for military vehicles including tanks, infantry fighting vehicles, and unmanned ground vehicles. Accounts for approximately 46% of revenue.
2. Marine & Offshore: Propulsion systems, gearboxes, shaft generators, and marine bearings for naval vessels and coastguards. Accounts for approximately 24% of revenue.
3. Energy Solutions & Slide Bearings: Products for energy sector including slide bearings, e-bearings, and solutions for hydropower plants. Accounts for approximately 30% of revenue.
4. Aftermarket Services: Service, maintenance, spare parts, and modernization for installed base. Company targets increasing aftermarket revenue contribution to 30% by end of 2026. Offers 10- to 20-year aftermarket service opportunity after each sale.
5. Test Systems: Test systems for evaluating functionality, load capacity and wear of technical components under realistic conditions across automotive, defense, aviation, railway, windpower, and other sectors.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

RENK designs, engineers, and manufactures mission-critical drive systems including transmissions, gearboxes, engines, final drives, suspension systems, slide bearings, couplings, and hybrid/electric propulsion solutions for military tracked and wheeled vehicles, naval vessels, and industrial applications. The company supplies complete drivetrain platforms to defense ministries, navies, and industrial customers across approximately 20+ global sites, complemented by long-term aftermarket service contracts.

Product overview

RENK Group AG is a Germany-based precision drive systems manufacturer offering a comprehensive portfolio of mission-critical propulsion and drivetrain solutions. The company operates across three primary segments: Vehicle Mobility Solutions (transmissions, engines, final drives, electrification, suspension systems, and UGV systems for military vehicles), Marine & Industry (marine gearboxes, shaft generators, propulsion systems, and industrial gearboxes for mills, extruders, and hydropower), and Slide Bearings & Couplings (e-bearings, vertical/horizontal slide bearings, turbo slide bearings, gear couplings, RAFLEX, ELCO, HYGUARD, diaphragm couplings, and marine couplings). The product portfolio is complemented by Test Systems serving automotive, agriculture, defense, special vehicles, railway, aviation, and windpower sectors. RENK serves over 70 armies and more than 40 navies and coastguards worldwide. The company also offers online configurators (SBCALC-ONLINE and Couplings Configurator) and eShop platforms for product selection and procurement.

Differentiator

Problem solved

Functional benefit

Brands

• Horstman Group: Hydro-pneumatic suspension systems for military platforms
• HSWL Series Transmissions
• RENK 2030

Products and services

• Military Vehicle Transmissions Mission-critical transmissions for military vehicles including NATO main battle tanks (Leopard 2, K2) and infantry fighting vehicles (Puma), providing torque and speed adjustment and transferring engine power to drive wheels.
• AVDS-1790 Engines Advanced diesel engines for military vehicles, providing propulsion power for armored combat systems.
• Final Drives Final drive units for military vehicles that transfer power from the transmission to the vehicle tracks or wheels.
• Vehicle Electrification Solutions Electrification solutions for military vehicles supporting the transition to hybrid and fully electric propulsion systems for enhanced battlefield capabilities.
• Hybrid Mobility Systems Hybrid propulsion systems combining conventional and electric power for improved fuel efficiency and operational flexibility in military vehicles.
• Suspension Systems Hydro-pneumatic and advanced suspension systems designed to dampen shocks and vibrations on uneven terrain for military vehicles, including the Puma IFV.
• Unmanned Ground Vehicle (UGV) Drive Systems

Quantifiable outcome

• Record Q1 2026 order intake of €582.3 million, up 6.1% year-on-year
• +3 more outcomes

Named customers4 records

Segments3 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 June 2026Patria and RENK unveiled their jointly developed UGV version of the TRACKX featuring a newly engineered HSWL 076 transmission with drive-by-wire architecture. The partnership targets advanced capabilities including remote operation, platooning, and future autonomous functions for unmanned ground vehicles.

Scale indicators16 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• ZF Friedrichshafen: German-headquartered global drivetrain and chassis technology company that manufactures transmissions for both commercial and military vehicles. Directly competes with RENK in heavy-duty and specialized vehicle transmissions, with overlapping defense and industrial customer bases across Europe.
• Allison Transmission: U.S.-based leading manufacturer of fully automatic transmissions for medium- and heavy-duty commercial and military vehicles. Direct peer in military vehicle propulsion, supplying drivetrains for tactical wheeled vehicles and armored platforms to U.S. and allied forces.
• Rolls-Royce Power Systems (MTU): German-based (formerly MTU Friedrichshafen) subsidiary of Rolls-Royce that produces military vehicle engines, marine propulsion systems, and industrial power solutions. Directly comparable to RENK in military engines and marine & offshore propulsion, serving overlapping naval and defense customers.
• Voith: German engineering group that manufactures industrial gearboxes, marine propulsion systems (Voith Schneider propellers), and drivetrain components for rail and industrial applications. Direct peer in marine gearboxes, industrial drives, and slide bearings.
• Wärtsilä: Finnish manufacturer of marine engines, propulsion systems, and ship power solutions. Direct peer in naval and commercial marine propulsion, gearbox systems, and hybrid marine drive solutions — RENK's Marine & Offshore segment competes directly here.
• Kongsberg Maritime: Norwegian provider of marine propulsion systems, gearboxes, and ship automation for naval and commercial vessels. Overlaps with RENK's marine propulsion and gearbox portfolio, particularly in naval and coastguard applications across Northern Europe.

Broad incumbents

• General Dynamics Land Systems: U.S. defense prime that manufactures main battle tanks (Abrams), infantry fighting vehicles (Bradley), and other armored platforms. While primarily a vehicle OEM rather than a drivetrain supplier, it represents both a customer for transmissions and a competitor in integrated vehicle systems.
• Rheinmetall: German defense and automotive technology group that manufactures Leopard 2 main battle tanks, infantry fighting vehicles (Lynx KF41), and a wide range of military propulsion and protection systems. Direct overlap as a German armored vehicle OEM that also produces drivetrain-adjacent systems.
• BAE Systems: Global defense prime that manufactures armored combat vehicles, naval ships, and a broad portfolio of defense electronics and propulsion systems. Competes with RENK in the broader defense propulsion market and is also a customer for naval and ground vehicle drive systems.

Others

• KNDS: Franco-German armored vehicle prime (KMW + Nexter joint venture) and RENK's largest shareholder at 25% plus one vote. While not a direct competitor in drivetrains, KNDS is the OEM of Leopard 2 and Puma — the platforms whose transmissions RENK supplies — making it both a strategic customer and a governance-relevant entity.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/RENKGroup
• LinkedInlinkedin.com/company/renk-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds2 records

Investors

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

M&A2 records

Investments

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

Frequently asked questions about RENK