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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. 4A angle blade hinge

4A angle blade hinge

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2 years 6 months ago #232358 by Richard~J~W
4A angle blade hinge was created by Richard~J~W
Can anyone advise why this blade hinge doesn't fit? there is no i.d. on the blade, but it is attached to a D4D
its 2J850 as per the parts book but the hole size is 1/8" undersize (measured on the pin, not the worn hole) and the height is about 3/8" too much.

 
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2 years 6 months ago - 2 years 6 months ago #232362 by Rome K/G
Replied by Rome K/G on topic 4A angle blade hinge
Looks like the one on the blade was bored out and a bigger pin was used. I believe the new bracket has been updated. The bracket on the blade will have to be removed and relocated.
Last edit: 2 years 6 months ago by Rome K/G.

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2 years 6 months ago #232364 by bursitis
Replied by bursitis on topic 4A angle blade hinge
pretty common in my woods to bore the hole bigger and install a new pin to fit. usually done to tighten up worn blades etc
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2 years 6 months ago #232365 by Old Magnet
Replied by Old Magnet on topic 4A angle blade hinge
2J850 is the correct number.....so either the joint has been reworked or the replacement part is from the land of "almost right".
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2 years 6 months ago #232388 by trainzkid88
Replied by trainzkid88 on topic 4A angle blade hinge
id say it has a bush mechanic fix written all over it. maybe the original broke or they made it take a larger pin instead of a proper repair.
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2 years 5 months ago #232429 by 74A6C
Replied by 74A6C on topic 4A angle blade hinge
I'd agree with trainzkid, looks to have been reworked. "Cut to fit and paint to match" type scenario. Maybe the ears were moved to accommodate the wear.

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2 years 5 months ago #232438 by Old Magnet
Replied by Old Magnet on topic 4A angle blade hinge
Being that the 4A blade uses four of those hinges, are they all the same on this unit?
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2 years 5 months ago #232559 by Richard~J~W
Replied by Richard~J~W on topic 4A angle blade hinge
thank-you for all the replies....looks like i am gonna be busy with a half-round file :-)

O/M, they look the same part.....I hope so anyway as I ordered 4 pcs
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2 years 5 months ago #232568 by Old Magnet
Replied by Old Magnet on topic 4A angle blade hinge
I was referring to the ones on the blade now. Are they all the same? May be that is not a Cat blade.
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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. 4A angle blade hinge
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