CAF Miira
CAF MIIRA is a Spain-based railway components manufacturer (a CAF Group business unit) that designs, produces, and assembles integral wheelset solutions — wheels, axles, resilient wheels, gearboxes, and complete wheelsets — for global rolling-stock OEMs and rail operators across high-speed, metro, locomotive, and light-rail applications.
- Company typePrivate
- Founded1992
- HeadquartersBeasain, Spain
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What CAF Miira does
CAF MIIRA is a Spain-based business unit of CAF Group (Construcciones y Auxiliar de Ferrocarriles, S.A.), headquartered and manufacturing in Beasain, Gipuzkoa. It designs, manufactures, and assembles integral wheelset solutions for the global railway industry, offering forged wheels (550mm to 1,350mm diameter), precision axles, resilient wheels, gearboxes, and complete pre-assembled wheelsets for high-speed trains, EMUs, metros, locomotives, LRVs, and trams. The company is positioned as the only supplier with fully in-house design, manufacturing, and assembly of complete wheelsets, supported by proprietary technology including an automated cold-rolling line for axles, a lightweight gearbox platform achieving up to 30% weight reduction, and a patented sensor-free Condition-Based Maintenance (CBM) strategy that leverages CAF Group's Leadmind platform and validated fatigue-life models.
The business operates a B2B enterprise sales model through a Global Sales Director, a dedicated China Sales Director, and a network of at least eight regionally specialized Key Account Managers covering approximately 19 countries across Europe, North America, Asia-Pacific, and Oceania. Revenue is generated primarily through hardware sales of components and complete wheelsets, supplemented by three professional-service streams: Maintenance Solutions, End of Life Solutions, and Technology Solutions. Pricing is quote-based on customer specification, and customer relationships are anchored by long qualification cycles under EN, AAR, RISAS, GOST, CR, and JIS railway standards.
CAF MIIRA's commercial strategy is increasingly differentiated by sustainability credentials, operating under the proprietary ECOAPPROVED label and holding Ecovadis Platinum, ISO 14001, ISO 26000, EMAS, CDP B, and SBTi commitments, and being the first wheels and axles supplier to publish International EPD-System-verified Environmental Product Declarations across its full core portfolio. It markets primarily via InnoTrans, its website and EPDs, and LinkedIn, and was part of CAF Group's 82nd overall and 2nd industrial-sector ranking in Merco Talento 2025.
CAF Miira firmographics
Firmographics- Name
- CAF Miira
- Legal name
- CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A. (CAF)
- Website
- https://cafmiira.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- CAF MIIRA is a Spain-based railway components manufacturer (a CAF Group business unit) that designs, produces, and assembles integral wheelset solutions — wheels, axles, resilient wheels, gearboxes, and complete wheelsets — for global rolling-stock OEMs and rail operators across high-speed, metro, locomotive, and light-rail applications.
- Ownership category
- akta.pro rank
CAF Miira industry classification
Industry- Product category
- Railway Rolling Stock Components
- NAICS
- Railroad Rolling Stock Manufacturing (3365), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612)
- SIC
- Railroad Equipment (3743)
- akta.pro primary industry
- Bogie/Truck, Wheelset & Bearing Shop Services (Reprofiling, Overhaul) (TLAKAIAD)
- akta.pro secondary industry
- Gearmotors, Gearboxes & Speed Reducers (IMAGACAF)
Keywords
Where CAF Miira is headquartered
LocationHeadquarters
- HQ city
- Beasain
- HQ country
- Spain
- HQ region
- Europe
Offices1 record
Markets served
CAF Miira business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Railway Component Manufacturing: Design, manufacture, and supply of complete wheelsets, forged wheels (550mm to 1,350mm), axles, resilient wheels, and gearboxes for all types of trains including high-speed, EMU, metro, locomotives, LRVs, and trams.
- Maintenance Solutions: Proactive maintenance services for rail components including routine maintenance, emergency repairs, and spare parts supply to ensure uninterrupted rail operations.
- End of Life Solutions: Sustainable transition services for rail components at end of lifecycle, facilitating recyclability and responsible disposal.
- Technology Solutions: Technology assessment, inspections, and life cycle optimization analysis services.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
CAF Miira product offering
Product offeringCore offering
CAF Miira designs, manufactures, and assembles integral wheelset solutions for the railway industry, supplying forged wheels (550–1,350 mm), precision axles, resilient wheels, gearboxes, and complete wheelsets for high-speed trains, EMUs, metros, locomotives, LRVs, and trams. The company complements its product portfolio with three service pillars: Maintenance Solutions, End of Life Solutions, and Technology Solutions. As the sole supplier with in-house capabilities across wheels, axles, and gearboxes, it delivers fully integrated rolling gear assemblies to railway operators and rolling stock OEMs worldwide.
Product overview
CAF MIIRA is a global railway components manufacturer offering an integrated portfolio of wheels, axles, resilient wheels, gearboxes, and complete wheelsets for all types of trains. The company is distinguished as the only supplier capable of designing, manufacturing, and assembling complete integral wheelset solutions with proprietary technology. These products are offered both individually (wheels, axles, gearboxes) and as fully integrated wheelset assemblies. The portfolio is supported by three service pillars: Maintenance Solutions (proactive care for rail components), End of Life Solutions (sustainable component recycling), and Technology Solutions (bridging innovation with rail performance). The company operates under the ECOAPPROVED sustainability label, integrating environmental responsibility across all offerings.
Differentiator
Problem solved
Functional benefit
Brands
- ECOAPPROVED: A sustainability label certifying that all CAF MIIRA solutions meet eco-friendly requirements including Green Steel, Eco Design, Eco Consumption, Green e-Energy, Circular Economy, and Eco Commitment.
Products and services
- Wheels Forged railway wheels with diameters from 550 mm to 1,350 mm, produced in state-of-the-art facilities and compliant with EN, AAR, RISAS, GOST, CR, and JIS standards. Designed for all railway applications including high-speed passenger trains, heavy freight locomotives, and light rail systems. Sold to rolling stock OEMs and railway operators.
- Axles Precision-engineered railway axles for EMU, Metro, LRV, and locomotive applications, featuring hollow design for simplified inspection, cold-rolled enhanced endurance, and molybdenum coating with Class 1 coatings complying with EN 13261. Endorsed by leading clients including DB and SNCF. Sold to rolling stock OEMs and railway operators.
- Resilient Wheels Resilient wheels engineered for trams and LRVs featuring an innovative noise-absorbing damping plate system delivering up to 25 dB squeal-noise reduction at critical frequencies, with over 17,000 units supplied to market. Designed for durability, ride quality, and noise mitigation near tracks. Sold to rolling stock OEMs and railway operators.
- Gearboxes Railway gearboxes with over 50 years of expertise in design, manufacturing, and supply for locomotives, metros, high-speed, regional trains, and trams. New-generation lightweight gearboxes achieve up to 30% weight reduction through weight-optimized housings and gear web designs while maintaining reliability. Sold to rolling stock OEMs and railway operators.
- Wheelset Complete integral wheelset solutions as the sole supplier designing, manufacturing, and assembling complete wheelsets in-house, with 100% torque application recording in quality assurance and integrated gearbox options for high-speed trains, EMUs, locomotives, and metros. Sold to rolling stock OEMs and railway operators.
- Maintenance Solutions Proactive maintenance services for rail components, covering routine maintenance, emergency repairs, and spare parts supply to ensure uninterrupted and reliable rail operations for railway operators.
- End of Life Solutions Sustainable transition services for rail components reaching end of lifecycle, supporting recyclability and responsible disposal with expert guidance for railway operators.
- Technology Solutions Technology assessment, inspections, and life-cycle optimization analysis services that bridge innovation with real-world rail performance for railway operators.
Quantifiable outcome
- Up to 30% weight reduction in gearboxes
- +4 more outcomes
Companies that use CAF Miira
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles2 records
CAF Miira technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
CAF Miira partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- EuskotrencoreStrategic collaboration with Euskotren, the leading transportation operator in the Basque Country, to test and implement innovative wheel soundproofing systems on their train fleet. The partnership aims to significantly reduce noise generated by train wheels, improving quality of life for people living near tracks. Both entities share a long-term vision to improve railway transportation through sustainability, efficiency, and innovation.
Scale indicators8 records
Recent moves6 records
Expansion highlights6 records
CAF Miira competitors and assessment
Company assessmentBroad incumbents
- Alstom: Alstom is one of the world's largest rail OEMs with significant in-house wheelset and bogie capabilities and a large external procurement budget for wheels, axles, and gearboxes. It is both a direct competitor in some components and a key customer, making it a critical comparable in the rail components market.
- Siemens Mobility: Siemens Mobility is a global rolling stock OEM that, through its in-house component capabilities and supply partnerships, competes in the broader wheelset, axle, and drivetrain space. While not a pure wheelset specialist, it is a major buyer and competitor that shapes supplier selection in the rail components market.
Direct peers
- Bonfiglioli Riduttori: Bonfiglioli is an Italian manufacturer of gearboxes, gearmotors, and power transmission solutions with a dedicated rail business. It competes directly with CAF MIIRA's gearbox product line for locomotives, metros, and rail applications, with comparable European OEM relationships.
- Lucchini RS (BANGO Group): Part of the BANGO rail industrial group alongside GHH-Bonatrans, Lucchini RS manufactures forged railway wheels, axles, and complete wheelsets for high-speed, freight, metro and tram applications across Europe and globally — directly competing with CAF MIIRA across the same product portfolio and customer base.
- DAKO-CZ: DAKO-CZ is a Czech manufacturer of wheelsets, wheels, and axles for locomotives, passenger coaches, and freight wagons. It supplies European OEMs and rail operators with comparable certified products, making it a close competitor in the Central and Eastern European OEM market where CAF MIIRA also actively sells.
- GHH-Bonatrans (BANGO Group): GHH-Bonatrans is a major European manufacturer of railway wheels, axles, and wheelsets serving locomotives, freight wagons, and passenger trains. Its product range, certification coverage (EN, AAR), and global OEM customer base overlap directly with CAF MIIRA's core wheelset and axle business.
- Amsted Rail: Amsted Rail is a leading North American supplier of railway wheels, axles, bearings, and wheelset assemblies for freight and transit applications. As one of the largest integrated rail components suppliers globally, it competes with CAF MIIRA particularly in North America and on AAR-spec freight applications.
- Standard Steel: Standard Steel is a US-based manufacturer of forged railway wheels and axles for freight and passenger service, holding AAR certifications. It directly competes with CAF MIIRA in the North American market segment where both supply forged wheels and assembled wheelsets to operators and OEMs.
- Valdunes: Valdunes (formerly Société des Forges et Ateliers du Creusot) produces forged railway wheels, axles, and wheelsets for high-speed trains, metros, and freight. Based in France, it serves many of the same European OEMs and operators as CAF MIIRA, with comparable EN/AAR-certified product lines.
Others
- SKF (Rail Business): SKF supplies bearings and condition-monitoring solutions for rail wheelsets and gearboxes. While it does not manufacture complete wheelsets, it is an adjacent ecosystem player whose bearings and sensor-based monitoring approaches contrast with CAF MIIRA's sensor-free CBM strategy.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
CAF Miira social profiles
Digital presenceCAF Miira compliance and trust
Trust signalCompliance10 records
CAF Miira financial estimates
Financial estimateRevenue estimate
Valuation estimate
CAF Miira leadership team
Management profileNumber of profiles
Profiles13 records
CAF Miira funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
CAF Miira M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about CAF Miira
What does CAF Miira do?
CAF Miira designs, manufactures, and assembles integral wheelset solutions for the railway industry, supplying forged wheels (550–1,350 mm), precision axles, resilient wheels, gearboxes, and complete wheelsets for high-speed trains, EMUs, metros, locomotives, LRVs, and trams. The company complements its product portfolio with three service pillars: Maintenance Solutions, End of Life Solutions, and Technology Solutions. As the sole supplier with in-house capabilities across wheels, axles, and gearboxes, it delivers fully integrated rolling gear assemblies to railway operators and rolling stock OEMs worldwide.
Is CAF Miira a public or private company?
CAF Miira is a private company. It is classified as corporate owned and is currently operating.
When was CAF Miira founded?
CAF Miira was founded in 1992. It employs 11 to 50 people.
Where is CAF Miira based?
CAF Miira is headquartered in Beasain, Spain, in the Europe region.
How does CAF Miira make money?
Four revenue lines are on record. Railway Component Manufacturing is the primary driver. The others are maintenance Solutions, end of Life Solutions and technology Solutions.
Who are CAF Miira's main competitors?
Broad incumbents on record are Alstom and Siemens Mobility. Direct peers are Bonfiglioli Riduttori, Lucchini RS (BANGO Group), DAKO-CZ, GHH-Bonatrans (BANGO Group), Amsted Rail, Standard Steel and Valdunes. SKF (Rail Business) is listed as an others.
Does CAF Miira have an API?
No public API is recorded for CAF Miira.
What industry is CAF Miira in?
CAF Miira's product category is Railway Rolling Stock Components. Its primary akta.pro industry code is TLAKAIAD, Bogie/Truck, Wheelset & Bearing Shop Services (Reprofiling, Overhaul), with a secondary code of IMAGACAF, Gearmotors, Gearboxes & Speed Reducers. Its NAICS code is 3365 and its SIC code is 3743.