tire size

[sweeney153]

I need new tires for my 4106. I have 11r22.5. I was advised by a Friend who sells car tires that I should switch to metric.  Any opinions. What size would be correct for my 4106?


Kevin

Sweeney 153

[TomC]

Metric are lower in profile.  11R-22.5 have 500rpm (revs per mile).  Either the 295/75R-22.5 or 275/80R-22.5 have 516rpm.  I have 11R-24.5's that have 476rpm.  Stay with the 11R's.  Good Luck, TomC

[RJ]

Kevin -

I posted this just a couple of weeks ago:

http://www.busconversions.com/bbs/index.php?topic=16296.msg175262#msg175262


FWIW & HTH. . .

[sweeney153]

So lets see if I have this straight?

If I have a 4 speed 11R22.5 are best But if I have the auto 11R24.5s are best. I have a 4 speed but am planning on changing to an auto, hopefully over the winter (or when ever I sell my Crown 10  wheel).

Right now I need to replace the steer tires. Am I better off switching to 24s or does it even matter on the steers? Do they have to be the same size as the drive tires?

I think I am confusing myself more.

Kevin

Sweeney153

[Len Silva]

The steers don't have to be the same size as the drives but there is the issue of spares to consider.

[busshawg]

I'd stay with the 11R , readily available

[RJ]

Kevin -

If you re-read the link above that I sent you, you'll see this line:

"Doesn't matter if it's a 12R22.5, an 11R22.5, an 11R24.5, a 315/80R22.5 or an old 10.00X20, look at the revs per mile as one of your guidelines for selecting new tires."


IF you want performance similar to OEM, then the closer the revs per mile of the tires you choose to the factory's 495 rpm, the better you'll be.


If you don't care, choose whatever you want that's on sale. 


Just don't get transit tires, for the reasons my comments pointed out.

FWIW & HTH. . .

[luvrbus]

I do it a little different I weigh the bus 1st I'll give you example on another brand of bus a Eagle with 11r 24.5 tires they have GVW of 38,700 for the model 10's the 05 Eagle with 12r 22.5 has a GAW of 42,000 lbs weigh your bus you may need the metric size what ever you buy make sure the tire is going to carry the weight the rev's don't mean much waiting on the roadside for the tire guy




good luck

[RJ]

Clifford -

I do it a little different I weigh the bus 1st I'll give you example on another brand of bus a Eagle with 11r 24.5 tires they have GVW of 38,700 for the model 10's the 05 Eagle with 12r 22.5 has a GAW of 42,000 lbs weigh your bus you may need the metric size. what ever you buy make sure the tire is going to carry the weight the rev's don't mean much waiting on the roadside for the tire guy

Good point.

OTOH, it's pretty hard to overload the tires on a 4106, they're so light to begin with!

Guess it could be done with granite floors, granite countertops, a full granite shower, granite-lined baggage bins, 24 golf-cart batteries, full 200 gallon water tanks, two packed, full size tool chests, washer/dryer combo, a 27 cuft household fridge,  35 gallon propane tank, and enough "stuff" for a family of four.   

Most 4104 & 4106 conversions weigh in somewhere between 23,500 and 27,000, well within the capacity of the tire sizes used by most busnuts.

But your point is well-taken for those who drive the other popular makes, be it an Eagle, MCI, Prevost, or, (for BK), a Setra.

FWIW & HTH. . .