running gear

Noun

 * 1)  The wheels, suspension, steering, powertrain and usually the chassis of a motor vehicle.
 * 2)  Those components of a railway vehicle that run passively on the rails, unlike those of the driving gear. Traditionally these are the wheels, axles, axle boxes, springs and vehicle frame.
 * 3)  The wheels and axles of a carriage or other vehicle.

Translations

 * Armenian:
 * German:
 * Hungarian:
 * Russian: ходова́я часть
 * Spanish: tren de conducción