The second detachable lift built at Mt. Washington is a merger-era Doppelmayr CTEC Stealth 2000 model.Riding up the lift line.The old double chair took a completely different alignment crossing the current one around tower 6.The top terminal and last tower.View down the line.Upper part of the line.A Garaventa chair and grip.View up the line near the summit.Lower part of the line.Line overview.Riding up.View back down the lift.Arriving at the drive station.View from the top.Upper station seen from Boomerang.Side view of the Stealth III.Unloading area.Rear and of the top station.Another look down the line.View up from the base area.Lift overview.Wide open lift line.Doppelmayr Worldbook entry.
Pretty sure the agematic grip has been around longer but these were some of the first lifts I believe that got Dopp CTEC branding along with more dopp parts
Agmatic was its own company, but I believe the first use was by Doppelmayr for UNI 6-packs (think mont Orignial, QC), then this one by Garaventa, and the current version.
If you are referring to the ones built before 2000, those are AK-680s (and in *extremely* rare cases, AK-681s), which were used on 6 packs and gondolas before Garaventa released the AK-400 and AK-460
The AK-460 is just the 6 pack version of the AK-400, which was released alongside the Stealth 3 terminals, similar to how DT-106 is the 6 passenger version of the DT-104 which was released with the UNI-M terminals.
The AK-680 was developed a few years after the AK-4.0 as 6 packs didn’t really exist when the AK-4.0 came out, which were used with the Stealth 2, but their names are very different because the technology used in each is very different.
Eagle Express has the AK-4.0, which is the grip Garaventa-CTEC used on their Stealth II detachable quads, which uses some weird 2 position internal spring grip technology that I assume was not suitable for the higher loads needed for 6 packs.
A good example of an AK-400 is Sugarloaf at Alta Utah. It is basically the same grip as the AK-460 on this lift except its designed for quad carriers, and its springs are dark blue or black instead of the brighter blue used on the AK-460s.
Lift Blog 
This is the only stealth six-pack in Canada and one of two stealth detachables in Canada
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Craigleith ski club in Ontario has a Stealth detachable (National Express)
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What type of grip is this? Early, Agmatic?
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Pretty sure the agematic grip has been around longer but these were some of the first lifts I believe that got Dopp CTEC branding along with more dopp parts
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Agmatic was its own company, but I believe the first use was by Doppelmayr for UNI 6-packs (think mont Orignial, QC), then this one by Garaventa, and the current version.
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https://www.remontees-mecaniques.net/bdd/liste-6-22-agamatic.html If you translate this (there arent too many sources) it seems like Agematic was always kinda Doppelmayer Italy. The Agematic A 106 or 108 grips seem to have come out in the late 90s and this lift is from merger era Doppelmayer. https://www.remontees-mecaniques.net/bdd/reportage-tsd4b-madritsch-agamatic-1031.html this is the kind of lift that you would have seen in europe with those same grips
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https://www.remontees-mecaniques.net/bdd/reportage-tsd4-agnello-agamatic-8665.html It also seems like the agematic grip has been around FAR longer than I ever thought
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These look like AK-460s
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No, the springs on the AK460 are different, see PC lifts
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If you are referring to the ones built before 2000, those are AK-680s (and in *extremely* rare cases, AK-681s), which were used on 6 packs and gondolas before Garaventa released the AK-400 and AK-460
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I was under the impression that the AK460 was the one built before 2000. Can anyone bring more proof?
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The AK-460 is just the 6 pack version of the AK-400, which was released alongside the Stealth 3 terminals, similar to how DT-106 is the 6 passenger version of the DT-104 which was released with the UNI-M terminals.
The AK-680 was developed a few years after the AK-4.0 as 6 packs didn’t really exist when the AK-4.0 came out, which were used with the Stealth 2, but their names are very different because the technology used in each is very different.
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So to get it straight:
AK400 is like the Eagle express here at Washington
AK 680 is the Park City lifts
and AK460 is this lift?
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Eagle Express has the AK-4.0, which is the grip Garaventa-CTEC used on their Stealth II detachable quads, which uses some weird 2 position internal spring grip technology that I assume was not suitable for the higher loads needed for 6 packs.
A good example of an AK-400 is Sugarloaf at Alta Utah. It is basically the same grip as the AK-460 on this lift except its designed for quad carriers, and its springs are dark blue or black instead of the brighter blue used on the AK-460s.
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