Dumper trucks are used for general transport on many construction sites and may be used to move concrete provided the ground is relatively level. Capacities range from 0.3 m3 to about 0.75 m3, with 0.5 m3 being the most common.
Dumpers generally discharge forwards, either manually or hydraulically; some discharge sideways. Manual discharge is rapid but may lead to displacement of reinforcement and spillage. Hydraulic operation permits greater control