What does HDX stand for?

[PamAnn]

My boyfriend and I are shopping around online for a school bus to convert into our first house. He came across the acronym HDX in a listing. I googled it and saw the acronym attached to the wheel base and curb weight of a Thomas Saf-T-Liner on Wikipedia, but the site didn't explain it. Does anyone know what HDX stands for? Thanks in advance.

[Twigg]

Originally Posted by PamAnn

My boyfriend and I are shopping around online for a school bus to convert into our first house. He came across the acronym HDX in a listing. I googled it and saw the acronym attached to the wheel base and curb weight of a Thomas Saf-T-Liner on Wikipedia, but the site didn't explain it. Does anyone know what HDX stands for? Thanks in advance.

HDX = Heavy duty X ... replaced ER and WestCoast

EFX = Engine Front X ... to bring the EF inline with the HD.

These buses, while awesome, are generally too new for us although a WestCoast or ER up to around 2003 would be about the best bus you could buy if you want a full-size bus.

The WestCoast, specifically, was built to compete with Crown and Gillig, and it did so very well.