#4723
Ultra Dome
🇺🇸 United States ·built by Colorado Railcar· from 1988· Bilevel dome train coach by Colorado Railcar
3 photos from Wikimedia Commons · credits & licences
- 1. RockyMountaineerRailCoach3998: The original uploader was Leonard G. at English Wikipedia .· CC SA 1.0
- 2. Alaska Railroad passenger train Ultra Dome Car at the Denali National Park depot: Richard N Horne· CC BY-SA 4.0
- 3. Alaska Railroad train Ultra Dome Car at the Denali National Park depot: Richard N Horne· CC BY-SA 4.0
what is it?
The Ultra Dome is a bilevel dome coach manufactured by Colorado Railcar for various operators between 1988–2007. Colorado Railcar, and its predecessor Rader Railcar, constructed a total of 44 cars. All 44 were purchased by touring companies in Alaska and Canada.
who runs it
base stats
Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.
fun facts
- First built 38 years ago, in 1988.
- Weighs about as much as 15 African elephants (~6 t each).
- 25.9 m long: about 6 cars parked nose to tail.
multiple unit: A self-propelled train: motors are spread under the passenger cars, so no separate locomotive.
spec sheet
- built
- 1988
- in service from
- 1988
- number built
- 44
- kind
- multiple unit
- origin
- 🇺🇸 United States
- builders
- Colorado Railcar
- operators
- Princess Tours, Holland America Line, Alaska Railroad Corporation
- top speed
- —
- power
- —
- length
- 25.9 m
- weight
- 92.1 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q19878380, Wikipedia: Ultra Dome (CC BY-SA 4.0).Updated 2026-10-25.