2016 Big Tex Trailers Dump Bed Trailers 12LX, The 12LX tandem axle low profile extra wide dump trailer by Big Tex Trailers is a great medium duty, medium capacity trailer. A few key features include grommet mount sealed LED lighting, j-hooks for tie down, lockable pump & battery box, an electric hydraulic scissor lift, and so much more! Tandem Axle