Life in Sector 7 G.

[Rigjockey]

Crazy. We moved from 48' trailers to 53' trailers and only load them up to the 48' line.
What was the point?

 

[Duck]

Crazy. We moved from 48' trailers to 53' trailers and only load them up to the 48' line.
What was the point?

I think I remember seeing the 48' line marked inside of trailers before I started at Van Wyk for 15 years (they did not mark theirs) but I don't remember WTF for.

Is it for high mass, low bulk freight? Or stupid union rules? At Roadway we didn't have any 53 footers. Just pups and 48's.

 

[Electric Chicken]

I think I remember seeing the 48' line marked inside of trailers before I started at Van Wyk for 15 years (they did not mark theirs) but I don't remember WTF for.

Is it for high mass, low bulk freight? Or stupid union rules? At Roadway we didn't have any 53 footers. Just pups and 48's.

It's for when you weigh out before you cube out. I haul some light stuff and it's loaded to the ceiling and the doors but the heavy stuff like laundry detergent you can't load past the line

 

[Duck]

It's for when you weigh out before you cube out. I haul some light stuff and it's loaded to the ceiling and the doors but the heavy stuff like laundry detergent you can't load past the line

I guess I forgot all that shit.

It's because a semi trailer, "semi" meaning it's wheels only carry some of the load, in this case roughly half, while the tow vehicle carries the other half of the weight.

Tongue weight on a bumper hitch trailer is negligible compared to its axle weight.


Anyway it's a bridge. Structurally it functions as a covered bridge, and the length of the span is chosen by the driver when he slides the tandems.

Longer spans can't support as much weight as shorter spans.

When they embiggened trailers from 48 to 53 feet it was just to add volume for light shit. They didn't re-engineer the portable covered bridge, they simply made them longer.

I guess the only reasons they make it possible to run the tandems all the way to the rear is for at the loading dock.

 

[Electric Chicken]

I guess I forgot all that shit.

It's because a semi trailer, "semi" meaning it's wheels only carry some of the load, in this case roughly half, while the tow vehicle carries the other half of the weight.

Tongue weight on a bumper hitch trailer is negligible compared to its axle weight.


Anyway it's a bridge. Structurally it functions as a covered bridge, and the length of the span is chosen by the driver when he slides the tandems.

Longer spans can't support as much weight as shorter spans.

When they embiggened trailers from 48 to 53 feet it was just to add volume for light shit. They didn't re-engineer the portable covered bridge, they simply made them longer.

I guess the only reasons they make it possible to run the tandems all the way to the rear is for at the loading dock.

Blame the state pin to axle laws for not being able to run them all the way back.

Schneider had a chart for every state in the break room for that and IIRC there are some states that have no such laws. But you gotta drive through states that do have those laws to get to those states. So it's moot.

At the rail pretty much everyone loads for California because that's where most of it either came from or is going and they're the shortest of everyone.

Our chassis pretty much stay at the 40 foot hole here in Pennsylvania because 99% of the crap we haul is trans loaded off of the sea cans and into ours then slapped onto a train.

There are some exceptions but they're not heavy enough to bother. IOW it would be for comfort not legality.