Bucur LF

Bucur LF is a series of low-floor tram vehicles produced by the URAC section of the STB (formerly RATB) transit company of Bucharest, Romania.[1] The tram is configured as a three-section 65% low floor vehicle, with two powered and one unpowered bogies.[2] The vehicle has four double-leaf 1,305 mm (4.281 ft) wide doors, and at the outer ends there are two other single leaf 650 mm (2.13 ft) wide doors.[2]

Bucur LF
Bucur LF-CH on route 1
Manufacturer	STB-URAC
Assembly	Bucharest, Romania
Constructed	2007–present
Number built	17
Predecessor	Bucharest Articulated Tramcar
Capacity	43 (Seated) 160 (Standing)
Specifications
Train length	25,390 mm (83.30 ft)
Width	2,450 mm (8.04 ft)
Height	3,500 mm (11.5 ft)
Low-floor	65%
Entry	360 mm (1.18 ft)
Doors	6
Articulated sections	3
Maximum speed	60 km/h
Weight	34,000 kg (75,000 lb)
Steep gradient	6%
Power output	240 kW (2 x 120 kW) LF-CH 480 kW (2 x 240 kW) LF-CA
Electric system(s)	750 V DC
UIC classification	B′+2′+B′
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

The first deliveries for STB started in 2009.[3] Initially, the trams were manufactured in the LF-CH version, with direct current motors with chopper, and since 2012 in the LF-CA version, with inverter and alternating current motors.[4] A five-section vehicle design of 100% low floor and 29 m (95 ft) length was also proposed as Bucur LF2.[5]