PennTex manufactures heavy-duty alternators and mobile electronic devices, with outputs up to 330 amps at 28 volts. The PX-833 air-cooled 50DN upgrade was designed specficially for transit bus applications.
![Penntexindustriesinc 10065807 Penntexindustriesinc 10065807](https://img.masstransitmag.com/files/base/cygnus/mass/image/2008/11/penntexindustriesinc_10065807.png?auto=format%2Ccompress&w=250&width=250)
PennTex manufactures heavy-duty alternators and mobile electronic devices, with outputs up to 330 amps at 28 volts. The PX-833 air-cooled 50DN upgrade was designed specficially for transit bus applications.