徐工挖掘机400

"XCMG excavator 400" or "XCMG XE400 excavator" are two possible interpretations of your query. The XCMG XE400 is a popular model of excavator produced by the XCMG Group, a Chinese manufacturer of construction machinery.

Here are some specifications of the XCMG XE400 excavator:

- Operating weight: 39,500 kg
- Engine power: 223 kW
- Maximum digging depth: 7,900 mm
- Maximum digging height: 11,400 mm
- Bucket capacity: 1.8 - 2.4 m³
- Travel speed: 3.2-5.5 km/h

Please note that specific details may vary depending on the specific configuration or version of the XCMG XE400 excavator.