SEK Class Theta-beta

what is it?

SEK (Sidirodromoi Ellinikou Kratous, Hellenic State Railways) Class Θβ (or Class THb; Theta-beta) is a class of two 2-8-0 steam locomotives acquired after the First World War. Originally one of the Bulgarian State Railways' (BDŽ) 800 series four-cylinder compound locomotives that had been built by Henschel & Sohn in 1912 as BDŽ 806 and 811. They were given the class letters "Θβ" by the SEK and initially numbered 621 and 622 before being renumbered 521 and 522.

who runs it

base stats

• speed 80 km/htop speed
• weight 70 tin working order

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 114 years ago, in 1912.
• 🐘Weighs about as much as 12 African elephants (~6 t each).
• 📏17.9 m long: about 4 cars parked nose to tail.

steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.

spec sheet

built

1912

number built

—

kind

Steam

traction

steam

origin

🇩🇪 Germany

builders

Henschel & Sohn

operators

BDŽ → SEK → BŽD

top speed

80 km/h

power

—

gauge

1,435 mm standard gauge

wheel arrangement

2-8-0

length

17.9 m

weight

70 t

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.