Cummins Generator Technologies

What Cummins Generator Technologies does

Cummins Generator Technologies, operating under the STAMFORD® and AvK® brands, is a UK-headquartered manufacturer of alternators for the power generation industry, wholly owned by Cummins Inc. (Fortune 500). Founded in 1904 in Stamford, UK, and now headquartered in Peterborough, the company manufactures alternators using both wire-wound (STAMFORD, 7.5-5,000 kVA) and bar-wound (AvK, up to 11,200 kVA) technologies, serving customers across marine, oil & gas, mining, data centres, telecommunications, healthcare, rail, and combined heat & power (CHP) applications. The company operates 5 manufacturing facilities across China (2), India (2), Romania (1), and the UK, supported by an Alternator Technology Centre in Stamford opened in 2018, and serves customers in 116+ countries through Authorized Distributors and Authorized Parts and Service Dealers.

The product portfolio includes the S-Range (S0 through S9), UC and HC ranges, P80, and the AvK DSG and DIG series, complemented by a comprehensive aftermarket parts catalogue of over 7,000 line items including Automatic Voltage Regulators (AVRs) such as the STAMFORD VITA™ 01 Digital AVR, bearings, rectifier service kits, wound components, and upfit accessories. The company generates revenue through hardware sales of new alternators, aftermarket parts, and professional services including service training, application engineering, and the Alternator Technology Centre testing services. Pricing is quote-based through the authorized channel network, with a 3-year standard warranty on S-Range products and a 10+ year post-production parts support commitment.

The business is supported by a multi-tier distribution model combining direct regional sales offices, authorized distributors with upfit capability, and an extensive authorized parts and service dealer network. Recent strategic activity includes the launch of the VITA™ 01 Digital AVR (2024), the AvK A7 marine alternator (2025), the S9 platform in China (2026), and the addition of three new authorised dealers in India (2026). The company employs 5,001-10,000 people and was rebranded from NEWAGE AvK SEG to Cummins Generator Technologies in 2006.

Name

Cummins Generator Technologies

Legal name

Cummins Generator Technologies

Website

https://stamford-avk.com

Company type

Private

Founded year

1904

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Cummins Generator Technologies (STAMFORD | AvK) manufactures wire-wound and bar-wound alternators from 7.5-11,200 kVA for marine, oil & gas, mining, data centres, telecoms, healthcare, and rail applications globally. The UK-based company is a wholly-owned subsidiary of Cummins Inc., operating in 116+ countries with 5 manufacturing facilities.

Ownership category

akta.pro rank

Product category

Industrial Alternators and Power Generation Equipment

NAICS

Turbine and Turbine Generator Set Units Manufacturing (333611), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336), Other General Purpose Machinery Manufacturing (3339)

SIC

Motors & Generators (3621)

akta.pro primary industry

Hydropower Turbines, Generators & Balance-of-Plant Equipment Manufacturing (EUAMAHAF)

akta.pro secondary industry

Specialty Power Systems MRO (Generators, Compressors, Pumps, Welders) (TLAKAHAJ)

Keywords

• Alternator manufacturing
• Power generation equipment
• Industrial alternators
• Marine alternators
• Generator technology

Headquarters

HQ city

Peterborough

HQ country

United Kingdom

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Alternator Sales: Sale of STAMFORD and AvK alternators ranging from 7.5-11,200 kVA for power generation applications in marine, oil & gas, mining, data centers, telecoms, and other industries.
2. Aftermarket Parts & Service: Sale of genuine parts including AVRs, bearings, rectifier service kits, wound components, and accessories. Over 7,000 line items in stock. Parts support available for at least 10 years after production. Services include repairs, maintenance, and inspection through authorized dealer network.
3. Training Services: Service training programs including introductory courses (Fundamentals of AC Generators, Inspection and Lite Repair, Basics of AC Generators), specialist courses (Bearings I & II, Sleeve Bearings, AVR courses), and tailored courses. Delivered in-person at training centres or virtually.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Cummins Generator Technologies manufactures and sells industrial alternators under the STAMFORD (wire-wound, 7.5-5,000 kVA) and AvK (bar-wound, up to 11,200 kVA) brands for power generation applications including marine, oil & gas, mining, data centres, telecoms, rail, healthcare, CHP, and prime power. The portfolio is supported by a 7,000+ line aftermarket parts catalogue (AVRs, bearings, rectifier kits, wound components, accessories), authorized service through a global dealer network, and dedicated technical services including the Alternator Technology Centre in Stamford, UK and structured service training programmes.

Product overview

Cummins Generator Technologies operates under the STAMFORD and AvK brands, offering a comprehensive portfolio of alternators ranging from 7.5-11,200 kVA. The STAMFORD brand utilizes wire-wound technology for outputs from 7.5-5,000 kVA and includes the S-Range (S0-S9, P80) with CoreCooling technology, UC range, and HC range. The AvK brand features robust bar wound alternators from 650-11,200 kVA, including the DSG and DIG ranges designed for heavy-duty applications. The portfolio is supported by a comprehensive range of service parts including Automatic Voltage Regulators (AVRs) such as the VITA 01 digital AVR, bearings, rectifier service kits, wound components, and upfit accessories. The company provides technical services including application engineering, applied technical services, alternator testing, and service training programs. Both brands offer global aftermarket support through an authorized dealer network.

Differentiator

Problem solved

Functional benefit

Brands

• STAMFORD: Wire-wound technology alternators ranging from 7.5-5,000kVA for marine, oil & gas, UPS, telecoms, CHP, construction applications.
• AvK
• MARKON
• NEWAGE International
• STAMFORD VITA 01

Products and services

• STAMFORD S-Range Wire-Wound Alternators (S0, S1, S4, S5, S6, S7, S7 Water-Cooled, S9) Wire-wound industrial alternators from 30 kVA to 4,500 kVA (50 Hz) / 5,000 kVA (60 Hz), integrating CoreCooling technology. Sold globally to genset OEMs and system integrators serving marine, oil & gas, UPS, telecoms, CHP, construction and data centre applications.
• AvK Bar-Wound Alternators (DSG62, DSG74, DSG86, DSG99, DSG114, DSG125, DSG144, DIG120, DIG130, DIG140, DIG142, DIG150, DIG156) Bar-wound industrial alternators from 1,100 kVA to 10,000 kVA (50 Hz) / 11,000 kVA (60 Hz), engineered for the toughest oil, gas, mining and marine applications. Sold globally through Authorized Distributors.
• AvK A7 Alternator Water-cooled 6-pole marine alternator providing 1,625 kVA at 50 Hz / 1,600 kVA at 60 Hz, designed for marine propulsion and offshore applications.
• STAMFORD P80 Alternator Wire-wound high-capacity alternator with 4,200 kVA output at 50 Hz and 5,100 kVA at 60 Hz, designed for high-power mission-critical applications.
• STAMFORD UC22 Alternator Compact wire-wound alternator with 85 kVA output at 50 Hz and 103 kVA at 60 Hz, suited to smaller commercial and standby applications.
• STAMFORD UC27 Alternator Medium-capacity wire-wound alternator with 250 kVA output at 50 Hz and 312 kVA at 60 Hz, targeted at small to mid-range gensets.
• STAMFORD HC4 Alternator High-capacity wire-wound alternator with 400 kVA at 50 Hz and 500 kVA at 60 Hz, used by rail operators (e.g., Korail) for auxiliary repower since 2012.
• STAMFORD VITA 01 Digital Automatic Voltage Regulator (AVR) Next-generation digital AVR sold as a genuine replacement / new-build part for STAMFORD alternators, delivering precise voltage regulation, fast response times, parallel operation capability, and frequency link for 50/60 Hz applications.
• AS440 Automatic Voltage Regulator Automatic Voltage Regulator for STAMFORD alternators, supplied as a genuine replacement part through the Authorized Dealer network.
• AS480 Automatic Voltage Regulator Automatic Voltage Regulator for STAMFORD alternators, supplied as a genuine replacement part through the Authorized Dealer network.
• MX321 Automatic Voltage Regulator Automatic Voltage Regulator for STAMFORD alternators, supplied as a genuine replacement part through the Authorized Dealer network.
• Genuine Alternator Bearings High-wearing replacement bearings engineered for industrial and marine alternator service, supplied through Authorized Parts and Service Dealers.
• Rectifier Service Kits Service kits containing forward and reverse diodes plus transient voltage suppressor (varistor), supplied as genuine parts to maintain alternator efficiency during scheduled and unplanned maintenance.
• Wound Components (Stators and Rotors) Factory-produced stator and rotor replacement components for rewinding, maintaining original specifications and efficiency for installed STAMFORD and AvK alternators.
• Upfit and Accessories (Adapters, Couplings, Flexible Feet, PMG Upfit Kits, Heater Kits, Transformers) Genuine parts for converting or restoring alternator specifications, including adaptors, couplings, flexible feet, PMG upfit kits, heater kits and transformers.
• Planned Maintenance Kits Pre-defined scheduled maintenance kits for each STAMFORD alternator model, supporting planned service and repair through the Authorized Dealer network.
• Applied Technical Services Testing services covering mechanical, electronic, and power performance including application validation, product validation and escalated customer support, delivered through the regional engineering teams.
• Application Engineering Pre- and post-sales technical support providing product knowledge, operating experience and electrical engineering capability for product selection and application, delivered by teams in the US, Europe, India and China.
• Service Training Structured training programmes including Fundamentals of AC Generators, Inspection and Lite Repair, Basics of AC Generators, Bearings I & II, Sleeve Bearings, AVR courses and tailored courses, delivered in-person at training centres (e.g., Daventry, UK) or virtually.
• Alternator Technology Centre State-of-the-art test facility in Stamford, UK opened in 2018, delivering alternator technical testing and development services with compliance to industry standards.

Quantifiable outcome

• Over 7,000 parts line items in stock with worldwide distribution
• +4 more outcomes

Named customers10 records

Segments9 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• Sawafuji Electric CompanyminorStrategic or Co-development Partner · 1 January 2002Joint venture with Sawafuji Electric Company of Japan to manufacture and distribute 2 pole alternators from 0.1 kVA to 15 kVA at the MARKON site in Oakham, United Kingdom. Established 2002.
• AvK/Elektroputere S.A.coreStrategic or Co-development Partner · 1 January 1999Joint venture established in Craiova, Romania for production of LV alternators. Strategic location providing access to European and global markets.
• Jiangsu Haixing Electric Machinery GroupcoreStrategic or Co-development Partner · 1 January 1996Joint venture for production of generators in Wuxi, China. First STAMFORD brand alternators manufactured in China began 1996. Later achieved 100% ownership in 2002.
• AvK SEG Controls Ltd.minorStrategic or Co-development Partner · 1 January 1995Joint venture in Noida, India for the production of alternators and electronic devices. Established 1995.
• Caldic Techniek Belgium N.V.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Belgium and Luxembourg. Provides sales support and upfit capability for localized regions.
• Shenzhen Chongfa Cummins Engine Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for China - Shenzhen Province. Part of Cummins network for regional support.
• Sawafuji Electric Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Japan. Located in Ota-Shi, Gunma, Japan. Manufacturing partner for 2 pole alternators.
• PT Mitra Pratama ListrindocoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Indonesia. Located in Jakarta Industrial Park Pulogadung.
• Powertecs Electric Sdn BhdcoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Malaysia. Located in Shah Alam, Selangor.

Scale indicators6 records

Recent moves13 records

Expansion highlights7 records

Direct peers

• Marelli Motori: Italian manufacturer of generators and electric motors including alternators for power generation, marine, oil & gas, and industrial applications; overlaps with STAMFORD's bar-wound AvK range in higher kVA industrial segments.
• WEG: Brazilian industrial electrical equipment manufacturer producing alternators and generators across industrial, energy, and marine applications; competes with STAMFORD | AvK globally, especially in Latin American and emerging markets.
• Mecc Alte: Italian-headquartered Mecc Alte is a leading European manufacturer of alternators in the same kVA range as STAMFORD, serving genset OEMs and distributed generation customers with very similar product positioning and channel model.
• Hyundai Electric & Energy Systems: Korean manufacturer of motors, generators, and power systems that competes with STAMFORD | AvK in Asia-Pacific markets for marine, industrial, and grid applications with comparable kVA offerings.
• Nidec Power (formerly Leroy-Somer): Leroy-Somer (now Nidec Power following Nidec's 2017 acquisition) is the most direct global competitor to STAMFORD | AvK, manufacturing alternators across a similar kVA range for genset, marine, and industrial applications with comparable technology and customer base.
• TMEIC (Toshiba Mitsubishi-Electric Industrial Systems): Joint venture of Toshiba and Mitsubishi Electric manufacturing large rotating machines including generators and motors for industrial, marine, and power generation applications; competes with AvK in high-kVA bar-wound segments.

Regional players

• Kirloskar Electric: Indian manufacturer of generators, motors, and alternators primarily serving the Indian and South Asian markets; a regional peer in the same kVA ranges where STAMFORD | AvK also manufactures through its India operations.

Broad incumbents

• Siemens Energy: Siemens Energy is a broad power equipment incumbent offering large generators, including for power plant and industrial applications; competes with AvK in the high-kVA bar-wound segment for oil & gas, marine, and grid applications.
• ABB: ABB is a broad industrial incumbent in motors, generators, and power systems, offering alternators and large rotating machines as part of a wider electrification portfolio; overlaps with STAMFORD | AvK in large industrial and utility applications.

Emerging players

• Brush SEM: UK heritage manufacturer of large generators and electrical machines with focused capabilities in high-power industrial and marine applications; partial overlap with AvK's bar-wound large-kVA product line.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/stamfordavk
• YouTubeyoutube.com/stamfordavk
• Facebookfacebook.com/stamfordavk
• LinkedInlinkedin.com/company/stamford-avk

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries6 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 Cummins Generator Technologies