Tatra KTNF6

{{short description|Rebuilt part low floor tram}}

{{Infobox train

| name = Tatra KTNF6/KTNF8

| image = 220px

| caption = KT6TM in Tallinn

| manufacturer = ČKD/MGB-Mittenwalder Gerätebau (KTNF6)
ČKD/Alstom (KTNF8)

| assembly =

| constructed = 1996–1998 (KTNF6){{cite web|url=http://www.strassenbahnen-online.de/tatra/ktnf6|title=Tatra-Straßenbahnen vom Typ KTNF6|publisher=strassenbahnen-online.de}}
2001–2007 (KT6T){{cite web|url=http://strassenbahn-online.de/Betriebshof/Tatra/KT4SU/index.html|title=Tatra-Straßenbahn – Typ KT4SU|publisher=strassenbahn-online.de}}
1999–2003 (KTNF8){{cite web|url=http://strassenbahn-online.de/Betriebshof/Tatra/KT4D/index.html|title=Tatra-Straßenbahn – Typ KT4D|publisher=strassenbahn-online.de}}

| numberbuilt = 48 (36 KTNF6 + 12 KT6T)
6 (KTNF8)

| designer =

| predecessor =

| successor =

| art-sections = 2

| CarLength = {{convert|27.714|m|ftin|abbr=on}} (KTNF6)
{{convert|26.554|m|ftin|abbr=on}} (KTNF8)

| width = {{convert|2200|mm|ftin|abbr=on}}

| height = {{convert|3400|mm|ftin||abbr=on}} (KTNF6)
{{convert|3560|mm|ftin||abbr=on}} (KTNF8)

| weight = {{convert|29800|kg}}

| capacity = 54–58 {{small|(Seated)}}
93–95 {{small|(Standing)}}

| maxspeed = {{convert|65|km/h|abbr=on}}

| doors = 5

| floorheight = {{convert|35|cm|ftin|abbr=on}}/{{convert|90|cm|ftin|abbr=on}}

| poweroutput = 4 x {{convert|54|kW|hp|abbr=on}} Motors

| steep gradient =

| bogies = 2 + 1{{prime}}1{{prime}} (KTNF6)
2 + 2{{prime}}2{{prime}} (KTNF8)

| minimum curve =

| gauge = {{Track gauge|1000mm|lk=on}}
{{Track gauge|1067mm|lk=on}}

}}

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 KT6TM). Another similar variant of KT4 is KTNF8 (also called KT4NF), which is used in Gera (Germany).[http://www.skd.cz/EN/tramvaje/KTNF8.htm About KTNF8 tram] at skd.cz

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

The breakdown of the type designation is as follows:{{cite web|url=http://www.einbahn.org/trams2/cottbus/138-cott.shtml |title=de beste bron van informatie over einbahn. Deze website is te koop! |publisher=einbahn.org |date= |accessdate=2012-07-03}}

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