Shacman H3000 6x4 380HP Dump Truck - Bigger Box for Coal, Sand & Aggregate Haulage contractors loading coal, river sand or quarry aggregate usually want volume, not just payload. This H3000 6x4 380HP comes with a 6.0m body instead of the standard 5.6m, so each trip carries noticeably more loose material. The Weichai WP10 380HP engine runs on the economical side while still pulling a full load out of the pit. For soft and medium material this is the better trade-off than an