Tire Sizes...

[Border City Transit]

Hi. Forgive my ignorance... trying to learn!

Are there standard tire sizes for leading heavy-duty transit buses?

I recall in the US, when Gillig first introduced their low-floor bus, they made a big deal about it using "full-size" tires -- which I took to mean, the same size as non-low-floor buses.

Now that low floors dominate, are tire sizes identical for, say, a New Flyer and a Nova (...and even an Orion)? With another larger tire size in use for Gillig LFs and non-low-floor buses/highway coaches?

Here is a somewhat on-topic photo montage as I try to figure it out. Thanks!

 

 

 

 

[Bus_Medic]

5 hours ago, Border City Transit said:

Hi. Forgive my ignorance... trying to learn!

Are there standard tire sizes for leading heavy-duty transit buses?

I recall in the US, when Gillig first introduced their low-floor bus, they made a big deal about it using "full-size" tires -- which I took to mean, the same size as non-low-floor buses.

Now that low floors dominate, are tire sizes identical for, say, a New Flyer and a Nova (...and even an Orion)? With another larger tire size in use for Gillig LFs and non-low-floor buses/highway coaches?

Here is a somewhat on-topic photo montage as I try to figure it out. Thanks!

 

 

 

 

Rim size on transit buses are pretty standard at 22.5”

The visual difference is the sidewall height and tread width. Low floors run 305/70R/22.5

Older standard floor models are typically 315/80R/22.5