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Old 08-04-2021, 09:17 AM   #1
Mini-Skoolie
 
Join Date: Sep 2020
Location: Paragon, IN
Posts: 14
Year: 2005
Coachwork: Thomas
Chassis: Saf-T-Liner HDX
Engine: CAT7
Rated Cap: 56
Belt from Caterpillar C-7 to Compressor

Howdy y'all,

I have a large belt that needs to be replaced on my 2005 Thomas Saf-T-Liner HDX with a Caterpillar C-7 Acert and Allison transmission. The belt runs from the engine to a compressor (on the driver side). The compressor used to be connected to the A/C condenser (which has been removed).

The belt itself is 102" in length and has two ribs.

I've talked to some folks from Thomas at Kerlin Bus Sales and they said based on my description that the part number for the belt is CDU50-62010-00. However, based on the measurements and the diagrams I have found online, I'm not sure that it is the right belt. Does anyone have any advice?

Thanks in advance!








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Old 08-04-2021, 11:02 AM   #2
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Join Date: May 2014
Location: West Ohio
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Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
Why replace it if you don't have the ac system installed? I'd honestly remove the belt, idler, pulleys, compressor, 2nd alternator, etc. to free up space in the rear. You then might be able to resell the components and make some money.

But keeping all of that stuff for a non-functioning system is pointless imo.
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Old 08-04-2021, 01:50 PM   #3
Mini-Skoolie
 
Join Date: Sep 2020
Location: Paragon, IN
Posts: 14
Year: 2005
Coachwork: Thomas
Chassis: Saf-T-Liner HDX
Engine: CAT7
Rated Cap: 56
I was considering doing that and may go that route. It would also reduce some of the weight.

I did like the idea of having the second alternator, but I'm sure there is a simpler solution to having a second alternator installed.



For those wondering, I purchased two B-99 belts from Napa that should be a good replacement for the 2B-99 belt currently in place. Kerlin's belt was $255 for the belt and Napa had two B-99 belts for $77.
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Old 08-04-2021, 02:51 PM   #4
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Location: Eustis FLORIDA
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Year: 1999
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Chassis: Freighliner FS65
Engine: Cat 3126
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The important belt on that engine is the little v-belt that drives the water pump.
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Old 08-05-2021, 09:05 AM   #5
Mini-Skoolie
 
Join Date: Sep 2020
Location: Paragon, IN
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Year: 2005
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Chassis: Saf-T-Liner HDX
Engine: CAT7
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Quote:
Originally Posted by EastCoastCB View Post
The important belt on that engine is the little v-belt that drives the water pump.
Which one is the v-belt? The little one on the compressor just inside of the large 2B-99 belt from the engine to the compressor?

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Old 08-05-2021, 09:14 AM   #6
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Location: West Ohio
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Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
Quote:
Originally Posted by EastCoastCB View Post
The important belt on that engine is the little v-belt that drives the water pump.
His looks to be driven by the serpentine belt. So no v-belt to forget about and neglect.
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Old 08-05-2021, 01:29 PM   #7
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Join Date: Sep 2014
Location: Eustis FLORIDA
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Chassis: Freighliner FS65
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Quote:
Originally Posted by Booyah45828 View Post
His looks to be driven by the serpentine belt. So no v-belt to forget about and neglect.
Much better off that way, imo. couldn't see in the pic- my rx glasses are due for an update.
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