The Kobelco SK135-SR excavator is part of the medium-sized class and is designed for a variety of construction and excavation applications. Here are some general features and specifications associated with the SK135-SR excavator:

1. Operating Weight: The operating weight of the SK135-SR excavator typically ranges from around 13,700 kilograms (30,200 pounds) to 15,400 kilograms (34,000 pounds). This weight can vary depending on the specific model and configuration.
2. Engine: The SK135-SR excavator is typically equipped with a diesel engine that provides the power needed for its operations. The specific engine model, horsepower, displacement, and emissions compliance can vary depending on regional specifications and the specific version of the excavator.
3. Digging Depth and Reach: The digging depth of the SK135-SR excavator typically ranges from approximately 6,760 millimeters (22.2 feet) to 7,270 millimeters (23.9 feet), while the digging reach can be around 9,930 millimeters (32.6 feet) to 10,400 millimeters (34.1 feet). These measurements can vary depending on the specific boom and arm configurations.
4. Bucket Capacity: The bucket capacity of the SK135-SR excavator can vary depending on the specific model and the type of bucket used. It generally ranges from approximately 0.45 cubic meters (0.6 cubic yards) to 0.8 cubic meters (1.0 cubic yard).
5. Hydraulic System: The SK135-SR is likely equipped with advanced hydraulic systems to provide smooth and precise control, efficient hydraulic power, and features like load-sensing technology for improved performance and fuel efficiency.
6. Operator Comfort and Safety: The SK135-SR excavator is designed to offer operator comfort and safety. It may feature a spacious and ergonomic cabin with adjustable seating, intuitive controls, good visibility, noise reduction measures, air conditioning, and safety features like ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure).
7. Additional Features: Depending on the specific model and options chosen, the SK135-SR excavator may come with additional features such as a rearview camera, a quick coupler system for easy attachment changes, various auxiliary hydraulic lines for running attachments, and advanced telematics systems for machine monitoring and performance optimization.