The MF 88 is a steel-wheel variant of electric multiple unit

Electric multiple unit

An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

s used on Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

's Métro

Paris Métro

The Paris Métro or Métropolitain is the rapid transit metro system in Paris, France. It has become a symbol of the city, noted for its density within the city limits and its uniform architecture influenced by Art Nouveau. The network's sixteen lines are mostly underground and run to 214 km ...

 system. RATP contracted a consortium of manufacturers together following successful tests of the BOA prototype, with Ateliers du Nord de la France

Ateliers du Nord de la France

Ateliers de Construction du Nord de la France was a French locomotive manufacturer, based at Crespin in northern France. Later known as ANF Industrie or ANF the company was acquired by Bombardier Transportation in 1989 and is now part of Bombardier Transport France S.A.S.-History:Ateliers de...

 (now Bombardier Transportation

Bombardier Transportation

Bombardier Transportation is the rail equipment division of the Canadian firm, Bombardier Inc. Bombardier Transportation is one of the world's largest companies in the rail-equipment manufacturing and servicing industry. Its headquarters are in Berlin, Germany....

) in charge of the project.

A total of nine train-sets were built, which currently operate on Line 7bis

Paris Metro Line 7bis

Paris Métro Line 7bis is the second shortest line of the metro operating in Paris, France. It serves the 19th and 20th arrondissements in the North East of the city.-Chronology:...

 in a three-car formation. The high rate of wear-and-tear of the train-sets has made maintenance much more expensive than expected; it has been speculated that they are likely to be replaced by spare MF 67

MF 67

The MF 67 is a steel-wheel variant of electric multiple units used on Paris's Métro system. It is the most common Paris Metro rolling stock variant, being used on Lines 2, 3, 3bis, 5, 9, 10 and 12...

s, which in turn were replaced by the MF 2000

MF 2000

The MF 2000 is a model of steel-wheeled electrical multiple units used on Paris's Metro system. The cars first arrived in December 2007 and delivery will be completed by 2015. RATP ordered 160 trains or 800 cars in 2001, to replace the aging MF 67...

.

Technical specifications

• Manufacturers: Alstom
  Alstom
  Alstom is a large multinational conglomerate which holds interests in the power generation and transport markets. According to the company website, in the years 2010-2011 Alstom had annual sales of over €20.9 billion, and employed more than 85,000 people in 70 countries. Alstom's headquarters are...
  
  , Faiveley, Renault
  Renault
  Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...
  
  , ANF
  Ateliers du Nord de la France
  Ateliers de Construction du Nord de la France was a French locomotive manufacturer, based at Crespin in northern France. Later known as ANF Industrie or ANF the company was acquired by Bombardier Transportation in 1989 and is now part of Bombardier Transport France S.A.S.-History:Ateliers de...
  
  
• Electric source: 750V by third rail
  Third rail
  A third rail is a method of providing electric power to a railway train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track. It is used typically in a mass transit or rapid transit system, which has alignments in its own corridors, fully or almost...
  
  
• Traction: GTO
  Gate turn-off thyristor
  A gate turn-off thyristor is a special type of thyristor, a high-power semiconductor device. GTOs, as opposed to normal thyristors, are fully controllable switches which can be turned on and off by their third lead, the GATE lead.-Device description:...
  
  (Gate Turn Off)
• Power: 2 engines per motor coach of 210 KW, 840 KW per train
• Maximum speed: 70 km/h
• Bogies: Bi-Directional
• Length: 46,44 meters
• Train-set: M-B-M