The Komatsu PC450-8 is a model of hydraulic excavator manufactured by Komatsu, a renowned construction equipment company. The PC450-8 is part of the PC450 series and is designed for heavy-duty construction and excavation applications. Here are some key features and specifications of the Komatsu PC450-8:

1. Engine: The PC450-8 is equipped with a Komatsu SAA6D125E-6 engine, which is a turbocharged, air-to-air aftercooled, 6-cylinder, Tier 4 Final-compliant diesel engine. It has a displacement of 11.04 liters and provides high power and fuel efficiency while meeting emissions standards.

2. Operating Weight: The operating weight of the PC450-8 ranges from approximately 45,000 kg to 47,000 kg, depending on the configuration and additional attachments.

3. Bucket Capacity: The standard bucket capacity for the PC450-8 is typically around 2.5 to 3.4 cubic meters, but it can vary depending on the specific bucket used and the application.

4. Digging Depth: The maximum digging depth of the PC450-8 is approximately 8.9 meters, allowing it to reach significant depths for various excavation tasks.

5. Arm Length: The PC450-8 is available with different arm lengths, typically ranging from 3.2 to 3.7 meters, depending on the specific configuration and customer requirements.

6. Hydraulic System: It features an advanced hydraulic system that provides powerful and precise control for various operations, including digging, lifting, and swinging. The hydraulic system is designed to optimize fuel efficiency and reduce cycle times.

7. Operator Comfort: The PC450-8 is designed with a spacious and comfortable operator cabin, providing a comfortable working environment. It includes features such as adjustable seats, air conditioning, excellent visibility, and low noise levels for enhanced operator productivity and safety.

8. Technology and Safety: The PC450-8 is equipped with advanced technology and safety features. These can include features like Komtrax (Komatsu's machine monitoring system) for remote monitoring of machine performance, rear-view cameras, and optional anti-theft devices.