A four-wheeled wagon of simple construction meant to be drawn by a horse or other large animal. The buckboard is steered by its front wheels, which are connected to each other by a single axle. The front and rear axle are connected by a platform of one or more boards to which the front axle is connected on a pivotting joint at its midpoint. A buckboard wagon often carries a seat for a driver. Such a seat may be supported by springs. The main platform between axles is not suspended by springs like a carriage. A driving wheel on a steam locomotive. ... A wagon (in old British English waggon) is a wheeled vehicle, ordinarily with four wheels, usually pulled by an animal such as a horse, mule or ox, which was used for transport of heavy goods in the past. ... Binomial name Equus caballus Linnaeus, 1758 The horse (Equus caballus) is a sizeable ungulate mammal, one of ten modern species of the genus Equus. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... An axle is a central shaft for a rotating wheel or gear. ... A pivot is that on which something turns. ... Springs A spring is a flexible elastic object used to store mechanical energy. ... The front suspension components of a Ford Model T. Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. ... Tourists in a vis-a-vis, Prague The classic definition of a carriage is a four-wheeled horse-drawn private passenger vehicle with leaf springs (elliptical springs in the 19th century) or leather strapping for suspension, whether light, smart and fast or large and comfortable. ...