[followtheleader]

I have 2 CAT belts0627-020)
on the sides it reads:
21 1902 261 262
22 1902 261 262
23 1902 261 262
24 1902 261 262
25 1902 261 262
26 1902 261 262
27 1902 261 262
28 1902 261 262
other belt:
47 3802-368
48 3802-368
49 3802-368
50 3802-368
51 3802-368
52 3802-368
53 3802-368
54 3802-368
what is the difference with them both?
i have my sled in air and track spins freely with the 1902 belt and doesnt even move with the 3802?
Is it a softer, heavier compound difference?
I measured the circumference of the 2 and they are the same around.



Thanks all

Spark plug :dunno:

 

[hough]

both belts are brand new?? if not any difference in width will affect deflection, thus affecting how easily it spins...

 

[hate2looz]

If they both have the 0627-020 part number printed on them then it is most likely a manufacturing number or something.

 

[C-notesnopro]

Originally posted by hate2looz@Sep 26 2005, 04:43 PM
If they both have the 0627-020 part number printed on them then it is most likely a manufacturing number or something.
<div align="right">index.php?act=findpost&pid=893709

[/quote]
the initial numbers per belt ie, 21,22,23,etc,etc and 47,48,49, etc,etc are identification numbers meant to tell ''where'' in the ''drum'' of molded rubber/aramid cords the respective belt was ''cut from'' before the final ''grinding'' is done on sides,,, the remaining numbers have a system to them to tell when as well as who(i believe company i.d.#)did the molding of the compounds to hold them accountable in a bad run of belts should that happen, as for yours being hard to turn, HOUGH nailed it on the head :div20: ,,,,,,,,,

 

[followtheleader]

Originally posted by C-NOTEPLUSf503@Sep 26 2005, 04:02 PM
the initial numbers per belt ie, 21,22,23,etc,etc and 47,48,49, etc,etc are identification numbers meant to tell ''where'' in the ''drum'' of molded rubber/aramid cords the respective belt was ''cut from'' before the final ''grinding'' is done on sides,,, the remaining numbers have a system to them to tell when as well as who(i believe company i.d.#)did the molding of the compounds to hold them accountable in a bad run of belts should that happen, as for yours being hard to turn, HOUGH nailed it on the head :div20: ,,,,,,,,,
<div align="right">index.php?act=findpost&pid=893751

[/quote]
the 2 belts are the same width also.

 

[cobber]

measured with what?

 

[C-notesnopro]

Originally posted by followtheleader@Sep 27 2005, 12:47 AM
the 2 belts are the same width also.
<div align="right">index.php?act=findpost&pid=894885

[/quote]
all it takes is a +- of 1/16'' to make a noticeable difference AND cat allows +- 3/16'', measure the outside circumference with a tailors''cloth tape'' IF indeed they are the EXACTsame width, this would be the only other ''variance'' that would allow this to happen

 

[followtheleader]

Originally posted by C-NOTEPLUSf503@Sep 27 2005, 06:46 AM
all it takes is a +- of 1/16'' to make a noticeable difference AND cat allows +- 3/16'', measure the outside circumference with a tailors''cloth tape'' IF indeed they are the EXACTsame width, this would be the only other ''variance'' that would allow this to happen
<div align="right">index.php?act=findpost&pid=895009

[/quote]
i been using a tailors cloth tape and they are same width and length exactly, i think one is a softer and other is a harder belt.

 

[C-notesnopro]

Originally posted by followtheleader@Sep 27 2005, 02:40 PM
i been using a tailors cloth tape and they are same width and length exactly, i think one is a softer and other is a harder belt.
<div align="right">index.php?act=findpost&pid=895529

[/quote]
you need calipers or cats new ''belt guage'' to accurately measure width(tapes not accurate enough, especially if the ''looser'' belt MAY be hingeing on ''borderline'' tightness), the compounds are the same,,

 

[big gun]

I read somewhere the newer 020 belts are a harder compound and maybe even a different mfgr because of all the problems on the '03 models.

 

[C-notesnopro]

Originally posted by Big Gun@Sep 27 2005, 07:59 PM
I read somewhere the newer 020 belts are a harder compound and maybe even a different mfgr because of all the problems on the '03 models.
<div align="right">index.php?act=findpost&pid=896085

[/quote]the 031(kevlar/mitsubishi) are the ''different mfr'' belts, anything kevlar is the different mfr belts.


i'm sure cat would make a note of that in service listings as they list the different compounds of all same sized belts and the p/n's for them, they only list the 020/021/031 as same size, just different compounds with the 020 and 021 being non-kevlar cogged compounds and the 020 is the harder of the 2 compounds between them, go figure :dunno: just listing what they have in service manuals