The machines were designed to stack out coal at the rate of 4,400 t/h according to the specific gravity of the material, which may vary between 0.750 to 0.900 kg/m3.
The stacker consists of the following main components:
- Luffing boom, hydraulically activated,.
- three leg gantry,.
- truck with all stacker wheels driven and all tripper and trailer wheels idle.
All stackers are equipped with a trailer and transfer tower to allow stacking with Stacker No. 1 stacking out with Stacker No. 2 by moving the tripper by means of a rack unit by-passing both machines.
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