Tatra KTNF6

The Tatra KTNF6 is a modernized tram, type KT4, rebuilt with a central low-floor segment. These types of tram cars are used in Cottbus, in Brandenburg City and Schöneiche-Rüdersdorf, Germany, and in Tallinn, Estonia (as KT6T). Another similar variant of KT4 is KTNF8 (also called KT4NF), which is used in Gera (Germany).[4]

Tatra KTNF6/KTNF8
KT6T in Tallinn
Manufacturer	ČKD/MGB-Mittenwalder Gerätebau (KTNF6) ČKD/Alstom (KTNF8)
Constructed	1996–1998 (KTNF6)[1] 2001–2007 (KT6T)[2] 1999–2003 (KTNF8)[3]
Number built	48 (36 KTNF6 + 12 KT6T) 6 (KTNF8)
Capacity	54–58 (Seated) 93–95 (Standing)
Specifications
Car length	27,714 mm (90 ft 11.1 in) (KTNF6) 26,554 mm (87 ft 1.4 in) (KTNF8)
Width	2,200 mm (7 ft 3 in)
Height	3,400 mm (11 ft 2 in) (KTNF6) 3,560 mm (11 ft 8 in) (KTNF8)
Floor height	350 mm (1 ft 2 in)/900 mm (2 ft 11 in)
Doors	5
Articulated sections	2
Maximum speed	65 km/h (40 mph)
Weight	29,800 kilograms (65,700 lb)
Power output	4 x 54 kW (72 hp) Motors
Bogies	2 + 1′1′ (KTNF6) 2 + 2′2′ (KTNF8)
Track gauge	1,000 mm (3 ft 3+3⁄8 in) 1,067 mm (3 ft 6 in)

These trams have new interiors, chairs, doors and middle sections with low floors.

The breakdown of the type designation is as follows:[5]

• K implies articulated
• T indicates a powered vehicle
• NF for Low Floor
• 6/8 is the number of axles.