Prime mover

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Prime mover may refer to:


  • "Prime mover" is a technical term of art in science and engineering meaning any machine (or component of a machine) that converts energy from an energy source into mechanical energy (shaft power), usually as a motive power source providing traction to move a vehicle.
  • In machines, the prime mover, such as an electric motor, generates the main mechanical motion for the machine.


  • A tractor unit, a heavy-duty towing engine that serves as a "prime mover" providing motive power for hauling a towed or trailered load, including:
    • Artillery tractor, a military vehicle for hauling an artillery piece
    • Ballast tractor, a heavy haulage road or off-road vehicle designed to pull or push heavy or exceptionally large loads using a drawbar
    • Heavy hauler, a large transporter for moving oversized loads too large for road travel without an escort and special permit
    • Prime mover (locomotive); one of the several types of power plants used in locomotives to provide traction power.
    • Steam tractor, a vehicle powered by a steam engine which is used for pulling
    • Tractor, a vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, often in agricultural and construction applications
    • In Water transport or shipping (haulage on water), a prime mover (like those found in railroads) may feed another component which provides the direct tractive effort, but is still the 'engine' of the motive system.
  • A stationary engine unit that powers a rotating eccentric drum (on a vertical shaft), which in turn pulls cables each operating the pumpjack above an oil well.


  • Prime mover theory (Latin: primum movens), a monotheistic concept advanced by Aristotle as a primary cause or "mover" of all the motion in the universe


  • Prime Mover (film), a 2009 Australian romantic crime film
  • "The Prime Mover", an episode of The Twilight Zone
  • Prime Mover (comics), a fictional character in the Marvel Universe
  • Prime Mover, a video game published by Psygnosis in 1993
  • The Prime Movers, a quasi-omniscient race of alien superbeings in the Buck Godot comic series by Phil Foglio
  • Prime Mover, a video game made by 4 Bit Games in 2018



See also[edit]