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Prime mover

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Prime mover may refer to:

  • A machine that transforms energy from/to thermal, electrical or pressure to/from mechanical form, typically an engine or turbine

Philosophy and theology

  • The prime mover, primum movens, an unmoved mover in the philosophy of Aristotle, later used by Thomas Aquinas in his cosmological arguments, as a "first cause" of existence

Railways

Haulage

  • Tractor unit or towing engine, a vehicle that provides the motive power to haul a load, as in:
    • Semi-trailer truck in Australian English
    • Ballast tractor, a heavy haulage road vehicle designed to pull or push heavy or exceptionally large loads
    • Artillery tractor, a military vehicle hauling an artillery piece
    • 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

Entertainment

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