Types of work trains

• Locomotive
  Locomotive
  A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...
  
  s and cab unit
  Cab unit
  A cab unit and a carbody unit are body styles of locomotives in railroad terminology. While closely related, they are not exactly the same....
  
  s
• Track maintenance equipment (track geometry car
  Track geometry car
  A track geometry car is an automated track inspection vehicle on a rail transport system used to test several geometric parameters of the track without obstructing normal railroad operations. Some of the parameters generally measured include position, curvature, alignment of the track, smoothness,...
  
  s, ballast regulator
  Ballast regulator
  A ballast regulator is a piece of rail transport maintenance of way equipment used to shape and distribute the gravel track ballast that supports the ties in rail tracks. They are often used in conjunction with ballast tampers when maintaining track....
  
  s, rail grinders, ballast tamper
  Ballast tamper
  A ballast tamper or tamping machine is a machine used to pack the track ballast under railway tracks to make the tracks more durable. Prior to the introduction of mechanical tampers, this task was done by manual labour with the help of beaters...
  
   cars, Sperry
  Sperry Rail Service
  Sperry Rail Service is a company contracted by most of the major railroads in North America to inspect rail.The rail flaw detector car was invented by Dr. Elmer A. Sperry...
  
   rail cars, ballast loaders/removers, hopper car
  Hopper car
  A hopper car is a type of railroad freight car used to transport loose bulk commodities such as coal, ore, grain, track ballast, and the like. The name originated from the coke manufacturing industry which is part of the steel industry ....
  
  s, continuous welded rail handlers, weld cars)
• Flood cleanup cars (reach cars, pump cars, hose cars)
• Snow removal cars
  Rotary snowplow
  A rotary snowplow is a piece of railroad snowfighting equipment. It is characterized by the large circular set of blades on its front end that rotate as a unit to cut through the snow on the track ahead of it.-History:...
  
  
• Rail inspection cars
  Rail inspection
  Rail inspection is the practice of examining rail tracks for flaws that could lead to catastrophic failures. According to the United States Federal Railroad Administration Office of Safety Analysis, track defects are the second leading cause of accidents on railways in the United States. The...
  
  
• Refuse motor cars
• De-icer cars
• Rail adhesion car
  Rail Adhesion Car
  A Rail Adhesion Car or Rail Adhesion Train is a modified vehicle used on rail adhesion system where the normal equipment does not have the rail sanding ability of locomotives. In particular, it may involve tanks and dispensing equipment installed in an electric subway or rail car that is run over...
  
  s
• Crane cars
  Crane (railroad)
  A railroad crane, is a type of crane used on a railroad for one of three primary uses: freight handling in goods yards, permanent way maintenance, and accident recovery work...
  
  
• Dump cars
• Flatbed cars
• Signal supply cars
• Tanker cars
• Vacuum cars
• Revenue collection cars
  Money train
  A money train is one or more railcars used to collect fare collection revenue from stations on a subway system and return it to a central location for processing. This train is typically used to carry money bags guarded by transit police to deter robberies....
  
  
• Rider cars