Green’s Dictionary of Slang

(US) a broken-down old car.

1974		Fuentes & Lopez Barrio Lang. Dict. 30: carrucha Car.
1993		L. Rodríguez Always Running (1996) 74: We could cruise in Wilo’s carrucha.
1997		Lil’ Rob ‘Jump in the Ride’ 🎵 Crazy Life [album] Yeah, it’s time for jacking, my homeboys are-a packing / Your fucking carrucha got the fusca so keep trucha / Cuz if you got what we want / If it’s firme as they say and it bumps in your trunk / Then hey man that shit is getting taken.