| System/Category | Specific Components | Function Description |
| Power and Actuation Control | Engine, hydraulic pump, hydraulic cylinders (e.g., boom cylinder, arm cylinder, bucket cylinder, etc.), hydraulic motor | Provide power for the entire machine and control the operation of the actuator |
| Standard Working Devices | Bucket, rock bucket, reinforced bucket, thumb bucket, soil loosener, breaker, hydraulic shear, quick-change joint | Realize different operational functions and adapt to various construction scenarios |
| Travel System | Chassis and traveling track assembly, "four wheels and one belt" (drive wheels, guide wheels, carrier rollers, track rollers + tracks), track plates, tensioning devices | Support the machine body and enable the walking function |
| Electrical Control System | Electrical and control computer board (controller), sensors (pressure, angle, speed, etc.), starter motor, generator, full vehicle wiring harness | Monitor the machine status, transmit instructions, and control various actions |
| Hydraulic Regulation System | Hydraulic system distribution valves, main control multi-way valves, slewing bearings, center slewing joints, hydraulic pipelines and seals | Regulate and transmit hydraulic energy to drive hydraulic components |
| Operating Environment | Cab, control lever assembly, instrument panel, seat | Provide an operating environment, display machine information, and ensure the driver's comfort and safety |
| Vulnerable Parts and Consumables | Bucket teeth, tooth seats, track plates, various filter elements (air, oil, fuel filters), seals | Belong to wear parts and need regular replacement to maintain equipment performance |
