2-part Diesel multiple unit Class 591.500 "Ferrobus" of RENFE in
"Regional" livery
The Ferrobuses of Series 591 shaped Spanish local and regional
transport for years and were used nationwide due to the low
electrification of lines. With 300 horsepower and a maximum speed
of 90 km/h, they represented an important modernization step for
the RENFE fleet in the 1960s, often replacing very old vehicles.
Although the series was retired in 1988, the newly established U.N.
de Regionales later refurbished, redesigned, and reintroduced two
two-part units of the subclass 500.
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