1. Adequate technology for earthmoving operation which is formed by absorbing advanced European technology. The product orientation is mainly the working condition of rock operation, being highly efficient and economical.

2. Isuzu engine with advanced performance, high reliability and strong motive power.

3. Rexroth positive flow system is employed for the first time, idling automatically with low power loss and system heat, which enhance the controllability and accuracy control performance of the excavator.

4. Enhanced working device design, adopting cast-weld structure of low welding stress, excellent effect of absorbing vibration and high strength.