Aveiro – Portugal

HORSE’s Aveiro plant (Portugal) has been producing gearboxes and mechanical components for the automotive industry since it opened in 1981.

Its location near Aveiro provides it with optimal access to infrastructure, which in turn fosters its economic development. It exports all of its output to eight countries on three continents.

more about
Aveiro plant



LEGAL FORM AND CAPITAL OWNERSHIP: Société Anonyme (limited company) wholly owned by New H. Powertrain Holding (S.L.U.)


ACTIVITY: Transmissions


WORKFORCE: 1,085 people at 31 December 2022


AREA: 11.1 ha of buildings, 39.7 ha in all


CERTIFICATIONS: ISO 14001, ISO 9001-2000, DGert training certification, SMR and RHP



  • Gearboxes: JH, JR, SG
  • Mechanical components for gearboxes and engines


  • 473,270 gearboxes


The HORSE Aveiro plant is aiming for the same environmental objectives as the rest of Renault Group. It is committed to constantly reducing its operation’s ecological footprint and impact on health.

> Waste management plan

Environmental policy (in Portuguese)


Our ISO 9001 certified quality management system puts the customer at the core of all our processes. Our constant adaptation to market changes and the sharp expertise of our employees enable us to continuously improve the quality of our products.

> Projeto n.º: POCI-01-0249-FEDER-009046
> Projeto n.º 46076
> Projeto n.º: POCI-01-0247-FEDER-017583 
> Projeto Test Bed The Smart Lab – Aveiro 
> Projeto nº: | 113381 

Quality policy (in Portuguese)
Hero_Desk (1)


HORSE Aveiro plant wins equal-pay award  

The Portuguese Secretary of State for Labour, the President of the country’s Commission for Equality at Work and local Employment Institute representatives visited HORSE’s Aveiro plant in early 2023 to hand it an award recognising the company’s efforts to promote equal pay for women and men in 2022.


1981: Cacia plant opened.

1996: Started producing for non-Renault Group carmakers, earned ISO 9002 certification.

1999: The plant was subsidiarized.

2000: Earned ISO 14001 certification.

2001: Focused operations on manufacturing ND casings and gearboxes for the Renault-Nissan Alliance.

2002: Discontinued JB gearbox production, started JR gearbox production and earned ISO 9001:2000 certification.

2006: 25th anniversary.

2007: Launched JR gearbox production.

2008: Launched ND4 gearbox production.

2009: Earned “Energy Rationalization” award from EDP (Portugal’s electricity company).

2010: Increased gearbox manufacturing capacity.

2011: 30th anniversary, reached 6.5 million gearbox milestone.

2014: Increased capacity dedicated to H5 parts and new projects (M9T Gen4 balancer shafts and H4 distribution housing).

2016: Portuguese Prime Minister visited the plant, signed a Competitiveness Agreement.

2018: Announced plans to manufacture the T4 gearbox during the Prime Minister’s visit.

2019: Prepared to produce the new JT4 (JX22) gearbox.

2020: Started producing the JX22 gearbox.

2021: 40th anniversary, broke production records with the new JX22 (JT4) gearbox.

2022: Entrusted with manufacturing the Power Electronic Box, which powers Renault Group’s hybrid powertrain.

2023: The Aveiro plant became part of HORSE on 1 July.


HORSE Aveiro plant
Lugar da Junqueira
38000-640 Cacia

+351 234 301 300