Nordex has extended service deals covering 150MW of wind farms in Uruguay and the US.
The German company will stay on for five more years to maintain 21 N117/2400 machines at the 50MW Florida project near Montevideo for operator Akuo.
Turbines have been spinning since December 2014.
Also in Uruguay, Nordex has bagged a six-year extensions for an unnamed 50MW project in Cerro Largo, in the north-east of the country.
Twenty N100/2500 units have been in operation there since October 2015.
Nordex claims both sites have had availability of between 98% and 99% in recent years.
The German manufacturer has meanwhile extended a third deal to service an unnamed 50MW project in Maryland, in the US, for a further 10 years.
Twenty N90/2500 turbines are employed at the site, where Nordex has been providing O&M services since operations commenced in 2011.