The Komatsu PC300-7 excavator is a model of hydraulic excavator manufactured by Komatsu, a well-known construction equipment company. The PC300-7 excavator is part of Komatsu's PC300 series and is designed for a wide range of construction and excavation applications. Here are some key features and specifications of the Komatsu PC300-7:

1. Engine: The PC300-7 excavator is equipped with a Komatsu SAA6D114E-2 engine, which is a turbocharged, air-to-air aftercooled, 6-cylinder, Tier 3-compliant diesel engine. It has a displacement of 8.26 liters and provides high power and fuel efficiency.

2. Operating Weight: The operating weight of the PC300-7 ranges from approximately 30,000 kg to 32,000 kg, depending on the configuration and additional attachments.

3. Bucket Capacity: The standard bucket capacity for the PC300-7 excavator is typically around 1.5 to 2.0 cubic meters, but it can vary depending on the specific bucket used and the application.

4. Digging Depth: The maximum digging depth of the PC300-7 excavator is approximately 7.9 meters, allowing it to reach significant depths for various excavation tasks.

5. Arm Length: The PC300-7 excavator is available with different arm lengths, typically ranging from 2.9 to 3.4 meters, depending on the specific configuration and customer requirements.

6. Hydraulic System: It features a robust hydraulic system that provides smooth and precise control for various operations, including digging, lifting, and swinging.

7. Operator Comfort: The PC300-7 excavator is designed with a spacious and comfortable operator cabin. It includes features such as adjustable seats, air conditioning, and excellent visibility, ensuring operator productivity and safety.

8. Technology and Safety: While the PC300-7 excavator is not the latest model, it may offer basic technology and safety features. These can include features like Komtrax (Komatsu's machine monitoring system), rear-view cameras, and optional anti-theft devices.