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#3081

SM53

🇳🇴 Norway ·built by Høka· from 1952· class of Norwegian trams

SM53, photo 1 of 3
1/3 Kurt Rasmussen· Attribution

what is it?

SM53, originally designed MBO and colloquially known as Høka, were a class of 58 trams and 50 trailers built by Høka and Hägglund for Oslo Sporveier. The units were used on the Norway's Oslo Tramway from 1952 until 2000. The 14.7-meter (48 ft 2+3⁄4 in) long and 2.5-meter (8 ft 2+7⁄16 in) wide trams weighed 16.9 tonnes (16.6 long tons; 18.6 short tons).

who runs it

base stats

  • speed 60 km/htop speed
  • power 180 kWpower output
  • weight 16.9 tin working order
  • seats 116passengers
  • built 58made in total

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 74 years ago, in 1952.
  • Weighs about as much as 3 African elephants (~6 t each).
  • 14.7 m long: about 3 cars parked nose to tail.
  • Seats 116: 2 full city buses (~50 seats each).
  • Served for 48 years (1952–2000).

tram / light rail: Street-running or light-rail vehicles that share or skirt the road.

spec sheet

built
1952
in service from
1952
retired
2000
status
retired
number built
58
kind
tram / light rail
traction
electric
origin
🇳🇴 Norway
builders
Høka, Hägglund & Söner
operators
Oslo Sporveier
top speed
60 km/h
power
180 kW
gauge
1,435 mm standard gauge
electric system
600 V DC overhead line
length
14.7 m
weight
16.9 t
capacity
116 passengers

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

Sources: Wikidata Q7391042, Wikipedia: SM53 (CC BY-SA 4.0).Updated 2026-10-25.

stan runge 704880d source