• Model NO.：YD800
• Trademark：GREATWALL TUNNELING SYSTEM
• Origin：Zhenjiang, Jiangsu, China

Basic Info.

Model NO. YD800 Trademark GREATWALL TUNNELING SYSTEM Origin Zhenjiang, Jiangsu, China

Product Description

Main Features of YD series Rock pipe jacking machine 

* Full section earth pressure display system.
* Separate grouting system for the cuter plate and the main shaft center and the broken chamber.
* The micro-tunnel boring machine is equipped with a main thrust device and a deflector.
 *Applicable to mixed soil layer from ordinary to rock layer (construction range: hard soil N value < 70, rock homotaxial hardness < 150Mpa.
* The disc type hob adopts Qingdao Yuyangquan Brand made in the Sino-Japanese joint venture.
* The planetary reducer is made up of well-known brand, such as Italian Bonfiglioli, Rossi,  Dinamicoil and Brevini, which is used by the Italian state.
* PLC, the transducer and other instrument and control system, adopt Japanese Mitsubishi Brand.
* The touch screen displays and the recorded data that can be stored or connected to the user's  office monitor via a dedicated interface.

   1.Technical parameter.

   2.  Application scope:
   Widely used in trenchless underground projects such as metro tunnels, pedestrian crossing under  streets, crossing passageway under railway, sewage & water treatment system, gas and oil  pipeline etc.

   3. Delivery time
   45-60 days on reception of the down payment.

   FAQ
   1). Drawings of launching pit and reception pit (Width, Length and Depth)
   2). Project data: total shaft length, max length of single shaft, quantities of shafts
   3). Production pipe drawings: Concrete or steel etc, length, ID & OD
   4). Soil property report: soil type, water level and so on














Zhenjiang Greatwall Microtunnel Equipment Science & Technology Co., Ltd is a factory specializes in the manufacturing of the underground pipe jacking equipment more than 20 years. It is located in Zhenjiang City, Jiangsu Province, China, which is only 1 hour away from Nanjing airport and 3 hours away from Shanghai city. It is a company combined R&D, produce, sale and after-service together. Products main include NPD series slurry balance pipe jacking machine, TPD series earth pressure balance pipe jacking machine, JD series rectangular pipe jacking machine, YD series rock pipe jacking machine, mini tunneling boring machine, which have already exported to most of the southeast Asia countries like India, Malaysia, Thailand, Viet Nam, etc. Professional engineers will design different machines according to your soil conditions of the project site. After machine reaches to the project site, our machine operators will come to service for you until one jacking section finished. One-year's accessories will also be provided freely.
The company persists in the principle of Quality First and Clients Supreme all along and provide clients with high-quality products,considerate after-sales services and true management ideas.We will provide excellent machines and good service to you. Welcome to visit us!