swing arm

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restless
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swing arm

#1

Post by restless »

HI can some one please tell me the correct numbers that I am meant to have on 1960 duo glide swing arm the book I have says
47500-58B . is this right.
Thanks Bill
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Re: swing arm

#2

Post by Robert Luland »

They all have the same casting number. Only the left axel casting changed over the years. The one you want will not have a grease nipple between the tubes. Bob L
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Re: swing arm

#3

Post by Speeding Big Twin »

Bill, I don't think #47500-58B would be the swingarm originally used for 1960 models although it could be used on your bike as a replacement part. That's the part number in my 58-68 H-D catalog and I think it would have been the latest version available at the time (1968) so I suspect it's one of the types that have two reinforcement ribs outside the left axle plate. The ribs were used for 1963-72 models and there were some further changes after the addition of said ribs. There were a few different swingarms for 1958-62, none of which had the ribs.

Bruce Palmer's book only gives two casting numbers (CNs) for the left axle plate for the years 58-72: EX2040 (outside); and 47614-58 (outside at first but later inside). However, I cannot yet confirm the first CN or its location. I can confirm the second CN and I have photos of it on the outside and inside but there are at least two variations of that second CN, 47614-58A and 47614-58B, both of which are inside. So for the left plate there are at least three different CNs and if Palmer's first CN proves correct then there could be at least four. Palmer says there were at least four types of swingarm used for 1958-72 but I'll change that amount to at least eight, provided all four he talks about do exist, because I have identified four not covered in his book.

Palmer indicates CN 47614-58 first moved inside for 1963 but that is incorrect; there were at least two earlier swingarms with that CN inside the left plate. They both also have another CN on the pivot tube but some have it above the tube and some have it below, the latter probably being the second of these two types.

The 1960 prototype in Palmer's book appears to have one of these two types but that seems to be in direct conflict with what he says on page 66 about the type used for late-58-61 and the next one which he says was used for 62. And although Palmer says the prototype's engine serial number begins with 60, I cannot confirm that it does. Even if I could confirm the start of the serial number, we still wouldn't know what model year swingarm is in that photo because the bike is a prototype. What we need are clear photos of the left side of the swingarm on a 1960 production Pan, unaltered from original. Even the same sort of pictures of an unaltered 59 production Pan may help, although we still wouldn't know when the tube CN shifted from top to bottom regardless of which photos we had.

The first two photos below are one of at least two types with CN 47614-58 inside the left plate. It has no reinforcement ribs on the outside. I think this may be one of the types used for 1960-62. And maybe even a bit earlier? But I cannot be sure.

SwingarmNo547614-583ACopy.jpg
SwingarmNo547614-583BCopy.jpg
For comparison purposes the third photo is an earlier swingarm than the one above. Notice CN 47614-58 on the outside and there is less material below the hole for the brake hose clamp bolt:

SwingarmNo2A1Copy.jpg
Palmer says this one was used for late-58-61 but that contradicts the photo of the 1960 prototype which is why I think we need photos of an unaltered production 60, and/or photos of an unaltered production 59, as I mentioned above.
Eric
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Re: swing arm

#4

Post by 4pans1man »

Restless,

My 1960 Panhead has a 47606-58 part number on the right side axle plate. It's a FLH 10XXX number bike. I posted some photo's in the "MISC" photo section.

...........Tony
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Re: swing arm

#5

Post by Speeding Big Twin »

Tony, thanks for posting the photos. Close-ups like those are exactly what we need.

As far as I can tell at this stage, casting number 47606-58 is on the outside of the right-hand axle plate of all the different types of swingarms for late-58–-72. Palmer says the swingarm for early-58 has EX2039 in that location but I haven’t seen one of those early-58 swingarms yet.

Are you able to confirm your swingarm is original to the bike?
Eric
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Re: swing arm

#6

Post by 4pans1man »

Eric,

I bought the bike from the second owner. He purchased it in 1965, it was traded in on an Electra-Glide. It's a repaint with 38,000 miles. I've owned it for about 10 years. I'd say the swingarm is original to the bike. I'll try to find some other numbers on the arm.

Tony
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Re: swing arm

#7

Post by 1950Panhead »

Eric,
There is a 58 frame on Ebay.
http://www.ebay.com/itm/1958-VINTAGE-OE ... 231792c157" onclick="window.open(this.href);return false;
Jerry
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Re: swing arm

#8

Post by Robert Luland »

That is a 65 and up. Notice no drop in the frame and the electric start inner primary hanging off it should have given you a clue. Bob L
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Re: swing arm

#9

Post by Pomike »

More like a Shovel. Mike
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Re: swing arm

#10

Post by Pomike »

They have Barbie dolls, and overpriced, unidentified, or mislabeled motorcycle junk, no returns. Whoopie!!
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Re: swing arm

#11

Post by 1950Panhead »

Robert,
An error on Ebay? I can hardly believe it.
They have another. How about this one?
http://www.ebay.com/itm/VINTAGE-OEM-HAR ... 231797b627" onclick="window.open(this.href);return false;
Don't forget to renew Winston's membership, I just received a reminder in the mail.
Jerry
Last edited by 1950Panhead on Fri Dec 16, 2011 8:23 pm, edited 1 time in total.
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Re: swing arm

#12

Post by UPSROD »

Nice Delco starter in that mess.
Robert Luland
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Re: swing arm

#13

Post by Robert Luland »

The average 58-64 frame goes for $12 to $1500 in good shape. That guy is grasping for straws. Bob L
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Re: swing arm

#14

Post by restless »

Thanks every one.
Bill
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Re: swing arm

#15

Post by Robert Luland »

Bill even though it's over priced. That's the frame you want. Look at the frame above where the oil tank would sit. See the set down in the castings. That is a 58-64 frame. Notice no grease nipple on the swing arm. That is a 58-60 swing arm. Bob L
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