Here is a picture of the underside of the bed. It's being mounted onto a Freightliner FLD112.
The angle iron rails are for a 34.5" frame width. The freightliner frame is 33.5 If I simply cut the 2" angle off and weld 3" back on at the correct spacing, I can bolt it directly to the frame utilizing mostly existing holes. However, I don't know if HDT beds are typically bolted solid like that. If it's OK to bolt solid, how many places along the frame should there be bolts?
Thanks to everyone who responded so far, I was hoping to get some pics of bed attachments before posting these specifics because there might be a totally different and better method of installing a bed.
house- it looks like your bed is bolted solid. Are there springs or other attachment methods at the front?
GlenWest- it sounds like yours is bolts solid also. 8" angle goes down the web quite a ways. I get that's what you had laying around, would you have been comfortable using smaller material; like 3"? How many places along the frame do you have bolts?