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Old 04-06-2022, 01:59 PM   #1
Mini-Skoolie
 
Join Date: Apr 2022
Location: Texas
Posts: 30
Year: 1988
Coachwork: Ford
Chassis: B600 Ward
Engine: 6.6 liter diesel
Wheel / Tire suggestions

Good afternoon all. I recently purchased a 1988 B600 and all of the tires need to be replaced. The 8.25R20 tires are not easy to come by and are expensive where available. Is there a different wheel that would fit my bus that would make it easier and more economical for tires? Has anyone done a conversion? I appreciate the feedback. Thanks

Brian

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Old 04-06-2022, 03:24 PM   #2
Bus Crazy
 
Join Date: May 2018
Location: topeka kansas
Posts: 1,805
Year: 1954
Coachwork: wayne
Chassis: old f500- new 2005 f-450
Engine: cummins 12 valve
Rated Cap: 20? five rows of 4?
20 inch truck tires are more expensive all around. This does not count 20 inch light truck tires. I would change to 9r20 If i was keeping the same rims.

what kind of rims do you have? Look at simple tire or coker tire

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Old 04-06-2022, 03:31 PM   #3
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Join Date: Sep 2017
Location: Swansboro,NC
Posts: 3,022
Year: 86
Coachwork: Thomas
Chassis: Ford B700
Engine: 8.2
Rated Cap: 60 bodies
dayton sells new rims that you can keep the spoked open center rims but upgrade to the tubeless more common tire
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Old 04-06-2022, 04:00 PM   #4
Mini-Skoolie
 
Join Date: Apr 2022
Location: Texas
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Year: 1988
Coachwork: Ford
Chassis: B600 Ward
Engine: 6.6 liter diesel
I'm not sure how to upload pics. They are in my CP.
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Old 04-06-2022, 04:42 PM   #5
Bus Geek
 
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Location: Swansboro,NC
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Year: 86
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Chassis: Ford B700
Engine: 8.2
Rated Cap: 60 bodies
when you reply go down to go advanced and then go to manage attachments.
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Old 04-06-2022, 06:33 PM   #6
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Location: NM USA KD6WJG
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Year: 1991
Coachwork: Bluebird
Chassis: All American RE 40 FEET
Engine: Cummins 8.3
I think you need what is called open center or Dayton 22.5 x 7.5 rims. part number 22575WD. This will allow you to use 9r22.5 tires as a direct replacement for the 8.25 20 tires with split rims.
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Old 04-06-2022, 08:51 PM   #7
Mini-Skoolie
 
Join Date: Apr 2022
Location: Texas
Posts: 30
Year: 1988
Coachwork: Ford
Chassis: B600 Ward
Engine: 6.6 liter diesel
Thank you. Please keep the recommendations coming.
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Old 04-07-2022, 08:49 AM   #8
Bus Crazy
 
Join Date: May 2018
Location: topeka kansas
Posts: 1,805
Year: 1954
Coachwork: wayne
Chassis: old f500- new 2005 f-450
Engine: cummins 12 valve
Rated Cap: 20? five rows of 4?
22.5 x 7.5 dayton rims

I bought my 22.5 x 7.5 dayton rims at a heavy truck salvage. I paid $35 each.

The lowest prices I found were in florida. I could have bough a pallett - 22 rims for I think that would have been $700 but that was three years ago.... I dont remember now....

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Old 04-07-2022, 01:44 PM   #9
Bus Geek
 
Join Date: May 2014
Location: West Ohio
Posts: 3,783
Talk to an HD tire shop. Odds are that if you're asking this question, you won't be doing the work yourself. Any good tire shop will have the answers to what you need to do.

Nobody here knows if you have dayton, hub or stud pilot rims. Do you know what you have? However, we can guess that with the 8.25R20 tires that you have multi-piece rims. Those are rarely serviced anymore. Sometimes you can upgrade your rims to single piece units that will accept a more common 22.5 tire, such as the 9r22.5.

However, not all multipiece rims will have a single piece counterpart. I recently worked on a c60 dump truck that had 6 lug 20 inch rims. Single piece rims weren't available, so we had to source tires for his current ones, which took a week plus to get in.
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Old 04-07-2022, 02:51 PM   #10
Mini-Skoolie
 
Join Date: Apr 2022
Location: Texas
Posts: 30
Year: 1988
Coachwork: Ford
Chassis: B600 Ward
Engine: 6.6 liter diesel
I attached the wheels I have. Hope you can see the attachments.

https://www.skoolie.net/forums/attac...1&d=1649361019

https://www.skoolie.net/forums/attac...1&d=1649361019
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Old 04-07-2022, 05:33 PM   #11
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Join Date: Mar 2022
Location: CSRA Georgia
Posts: 401
Year: 1994
Coachwork: Blue Bird
Chassis: Ford B-700
Engine: 12V 5.9
I have a 1994 B700. It came with 10/22.5 open center wheels. Those tires and wheels went on my 1972 IH Loadstar dump truck and I bought some dayton wheels I sanded and painted from a truck repair shop and put 11R22.5 tires on the B700 bus. Pic of B700 with 11R22.5 attached.
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