USACE had two 60' ringer cranes

I've already described the Hercules crane that the US Army Corps of Engineers own. I've recently learned that the USACE had a second 60' ringer on a barge to help them build the Olmsted Dam. I learned about the second one because they sold it last December for almost $1 million since the dam is now finally finished.

safe_image for PLATFORM RINGER CRANE
John Taylor That would be a bargain if you needed a stationary heavy lift crane, what a beast.
Walter Miller It's a nice machine we picked some power house parts. 800.000 didn't know it had it.
Hunter Strittmatter Went to someone in Pittsburgh.

The GSA auction site had the following twelve photos.

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Tomas Coi commented on Ben's share

Tomas Coi commented on Ben's share
Ben Stalvey Must be on a mega barge.
Tomas Coi Was on 200 by 100

Matt Mohd Ji posted three photos with the comment: "Sweet blue 60ft plateform ringer."
Dan O'Neal Olmsted Locks and Dam ,Olmsted, Ill.
[There are several comments about how do they make the barge stable? They seem to contradict each other. So I still don't know the answer. But however they stabilize it, that is important and explains why the USACE wanted to sell just the crane and keep the barge.]

Dan O'Neal Ben Stalvey they are taking it off the barge and selling it, putting a 16000 in its place.

Dan O'Neal Manitowoc 60' platform ringer 1 of 6.
Ben Stalvey True wish i could find the other 5 60ft platform ringers.
Dan O'Neal Ben Stalvey didn't the Corps of Engineers own 2.
Ben Stalvey Dan O'Neal Yes you are correct believe one is called Hercules
Dennis DeBruler Ben Stalvey So this ringer must be the one the USACE sold last December for almost $1 million, but they still have Hercules. The auction link you shared has 16 photos of this crane.
https://www.facebook.com/groups/Manitowoccraneenthusiasts/permalink/2817919861625579/
Ben Stalvey Dennis DeBruler correct.

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Ben Stalvey commented on Matt's post