Tren Loco is an Argentine heavy metal band formed in the suburban town of Grand Bourg, in Buenos Aires Province.
Tren Loco received the Special Jury Prize and signed a contract with the multinational label record company PolyGram, in 1992.
In 2000 Tren Loco released a new record: Carne Viva (Live Flesh) with arrangements on violin, accordion, and an interactive track.
At this time, Mauricio Pregler decided to leave the band, and after the tryouts of several guitarists, Cristian Zombie Gauna joined Tren Loco as the leader guitar.
They participated in Raza Metálica and La Cumbre del Metal festivals, and opened the Paul Di'Anno and Judas Priest's first show (with singer Tim "Ripper" Owens) in Argentina at Obras Sanitarias Stadium.
At this point, another change in the formation happened: they added a second guitar, being Facundo Coral the chosen one and for the first time in years Tren Loco played as a quintet in Montevideo, Uruguay and travelled across Argentina.
In 2008, the band made their fourth appearance at Cosquin Rock festival, in front of 20000 attendees, On May 25, they presented at the Vive Latino Megafestival, in Mexico City.
Venas de Acero (Steel Veins) record features guest musicians like Andre Matos from Angra and Shaaman from Brazil and Oscar Sanchez from Lujuria, the Spanish band.
On May, they presented their latest record in Venezuela and continued for the rest of the year with the Venas de Acero Tour, performing more than 50 shows, including a motorcycle meeting: Motoencuentro Diamante.
Tren Loco celebrated their 20th anniversary in 2010 and performed again at Cosquin Rock, on a pouring day in front of 7000 people becoming an epic concert, powered by the audience.
20 years, moshing on the train platform) and it also included the 20th Anniversary Cd with unreleased acoustic versions of their songs, and an interactive track with a documentary, photos, videos and audio files never published before.
On September, Tren Loco was invited to perform in the Whitesnake and Judas Priest's show at Presidente Perón Racing Club Stadium and the DVD Hoy es mejor que ayer (Today's better than yesterday) was released.
In 2012, they performed once again at Cosquin Rock with Anthrax and later, they began their Hoy es Mejor que Ayer tour all around Chaco, Formosa and Buenos Aires with Iced Earth.