Excavating Machinery
Road header
It is a machine that excavates rocks and ore.
Overview
Road headers run freely with a crawler and excavate rock and ore with a rotating hemispherical drum, which has cutting chips arranged on the surface. The drum is attached to the tip of a retractable boom mounted in front of the road header and can freely swing from side to side or up and down.
These road headers are also called free-section excavators.
Features
Feature 01World's leading manufacturer
The Company has manufactured and delivered a total of more than 600 road headers, establishing a solid position as a leading manufacturer in the world.
Feature 02Advanced excavating technology
In 1966, we developed S40, the first road header manufactured in Japan. Since then, we have built a solid track record while continuing to pursue technological innovation to date. Leveraging our extensive experience and advanced excavation technology, we respond to customers' expectations through handling excavation work for a variety of applications, site conditions, and environmental circumstances.
Feature 03Active in a variety of applications
Road headers demonstrate their strengths according to the application in various infrastructure construction sites for road tunnels, railway tunnels, dam headrace tunnels and more around the world.
Line-up
SLB-300SG model (for full section)
SLB-300SG road header is suitable for diverse geological condition ranging from soft rock to medium-hard rock and enables low-vibration tunneling.
SLB-300SG uses a 300kW 2-speed motor, and has selectable drum rotation speed according to geological conditions. SLB-300SG is suited to a wide range of applications.
The telescopic mechanism enables flexible excavation from a fixed position.
| Total length | Approx.22.1m | Maximum cutting heigh | 8.8m |
|---|---|---|---|
| Total height | 5.0m | Maximum cutting width | 8.3m |
| Total width (crawler width) | 4.5m（3.2m） | Under cut | 0.45m |
| Total weight | Approx.116t | Cutting motor | 300/200kW-4/6P |
MRH-S200SG model (for upper half section)
MRH-S200SG road header is suitable for diverse geological condition ranging from soft rock to medium-hard rock and enables low-vibration tunneling.
MRH-S200SG uses a 200kW 2-speed motor that provides enough power to excavate medium-hard rock. The telescopic mechanism enables flexible excavation from a fixed position.
Compact dimensions enable easy transportation to remote.
| Total length | Approx.15.5m | Maximum cutting height | 6.0m |
|---|---|---|---|
| Total height | 4.2m | Maximum cutting width | 6.4m |
| Total width (crawler width) | 3.6m（2.6m） | Under cut | 0.35m |
| Total weight | Approx.64t | Cutting motor | 200/110kW-4/8P |
