Trenes Argentinos 6599 pauses at the Haedo shops while MOW workers disembark to store their equipment. The passenger coach seen here is a Sorefame stainless steel car, built in Portugal under license from Budd in the 70s and imported to Argentina in 2006. Only a handful of these are still used, most prominently for the Solidarity Train (Tren Solidario), which runs across the country every year to promote passenger rail service.