The Huina 1381 is a 1:18-scale RC concrete pump truck designed to reproduce the appearance and operating features of a truck-mounted concrete pump. It uses an alloy/ABS construction and a 2.4GHz multi-channel remote-control system.
Its main functional features include a remotely operated rotating pump/grouting arm, one-key water spraying, independent front-wheel steering, LED lighting and sound effects. The stabilizer legs and some mechanical arm movements are manually operated.
The model is supplied as an RTR package with a 7.4V 500mAh rechargeable vehicle battery and USB charging cable. The supplied water dropper is used for the water-spray function. 2 × AA batteries for the transmitter are not included.