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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. D6600 rod bearings

D6600 rod bearings

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17 years 9 months ago #2647 by beaver-flat
D6600 rod bearings was created by beaver-flat
Does anybody have a source for D6600 rod bearings Cat # 3B7203?
My parts guy has struck out. I haven't checked with Cat yet though.
For a D6-2H s/n 2H7640

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17 years 9 months ago #2726 by beaver-flat
Replied by beaver-flat on topic D6600 rod bearings
does the D8800 and D13000 use the same rod bearings?

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17 years 9 months ago #2727 by SJ
Replied by SJ on topic D8800 & D13000
Yes they should be the same bearings.The rods are Std.3.625"crank specs.

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17 years 9 months ago #2737 by Old Magnet
Replied by Old Magnet on topic D6600 rod bearings
The D8800 - 7M, 3T. 4T
And the D13000 - 1H6852-up, 8R, 2U, 13A
All are using current rod bearing # 2M6499

I don't have any info other than Cat original part numbers prior to these models or for the D6600.
Hope that's some help.

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17 years 9 months ago #2790 by KidNV
Replied by KidNV on topic D6600 rod bearings
OM, 2M6499 is $10.78 at regal, cat is $$74.72, they have them. They show the 3B7203 shows as invalid#, so there is a newer pn..

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17 years 9 months ago #2794 by SJ
Replied by SJ on topic Bearings
I remember while I was working yet that a good bit of Cat rod & main bearings were made by Federal Mogul & were stamped right on them as such.

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17 years 9 months ago #2796 by beaver-flat
Replied by beaver-flat on topic D6600 rod bearings
any idea of what the updated pn for 3B7203 would be? I'll try CAT tomorrow, too late today

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17 years 9 months ago #2798 by beaver-flat
Replied by beaver-flat on topic D6600 rod bearings
Well, near as I can come up with is 2F2343 as the latest number for the bearings.....discontinued :(
took the number off the rod, witch updated to a 5B1294 with rod bearings 6B6483 and 6B6484 witch updated to 2F2343, another dead-end:mad:
contacted the ram site about re-babbiting the old shells

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17 years 9 months ago #2812 by beaver-flat
Replied by beaver-flat on topic D6600 rod bearings
ROD BEARINGS FOUND!!!!!!! :D
I'll post the aftermarket number when I receive them.

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17 years 9 months ago #2819 by OzDozer
Replied by OzDozer on topic D6600 rod bearings
beaver-flat .. I trust you checked your crankshaft dimensions, to see whether it has an "early" or "later" size crankshaft.

New crank journal dimensions are 3.500" - 3.499" for "early engine" mains .. and 3.250" - 3.249" for "early engine" con rod journals.
"Later engine" dimensions for the 5¾" bore engine crankshaft, are .. 3.750" - 3.749" for mains, and 3.625" - 3.624" for con rods.

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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. D6600 rod bearings
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