1 photo from Wikimedia Commons · credits & licences
- 1. Georgia Northern Railway -2: The original uploader was Can't Undo at English Wikipedia .· CC BY-SA 3.0
what is it?
The OP800 was a lightweight, streamlined railcar built by the St. Louis Car Company in 1939. Fairbanks-Morse supplied the 800 hp (600 kW), five-cylinder 8 in × 10 in (203 mm × 254 mm) opposed piston engine prime mover.
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 87 years ago, in 1939.
- 597 kW is about 7 family cars (~85 kW each) flat out.
- 24.4 m long: about 5 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
- 1939
- status
- retired
- number built
- 6
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- St. Louis Car Company
- operators
- Southern Railway, Georgia and Florida Railroad, Georgia Northern Railway
- top speed
- 129 km/h
- power
- 597 kW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 2-A1A (as built)
- length
- 24.4 m
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q5426735, Wikipedia: FM OP800 (CC BY-SA 4.0).Updated 2026-10-25.