TPD series Earth Balance pipe-jacking machines：

1. Also suitable for gravel, pebble layers.
2. It has an independent and complete soil water injection and grouting system, which can improve the soil at the excavation face, thereby expanding the application range.
3. Full-section cutting with an ultra-large opening ratio.
4. It uses a screw conveyor for soil removal, with high soil removal volume and large particle size. Subsequently, we also provides continuous belts or mine carts to customers to transport the muck out of the tunnel.
5. The center-supported cutterhead has a compact structure, light weight, long service life, and is convenient for maintenance.