The XE155GA hydraulic excavator is a brand-new non-road China IV standard excavator developed independently by XCMG, drawing on advanced technologies from similar international products and incorporating the latest technologies. It features the latest technology, prioritizes safety and environmental performance, and boasts exceptionally high productivity. The newly upgraded XE155GA hydraulic excavator boasts increased power, lower fuel consumption, and enhanced operational performance. It is widely applicable in farmland water conservancy projects, river desilting, and municipal construction, handling diverse applications such as excavation, crushing, and demolition, making it suitable for use in most regions of my country.
PIC feedforward intelligent control technology improves engine response, reduces engine speed fluctuations, and reduces fuel consumption. XCMG’s proprietary matching technology delivers higher operating efficiency and lower fuel consumption, resulting in a fuel efficiency ratio that leads domestic and international models of similar tonnage. The continuously optimized and improved hydraulic system further enhances controllability, resulting in more precise control and improved leveling and loading performance. Four typical operating modes (P, N, T, and B), along with a variety of customized and customizable control programs (ATT1 through ATT8), precisely meet the needs of various operating conditions.
The machine features a high-powered 89kW engine with a tailored operating characteristic curve, delivering high torque at low speeds. The high-pressure common rail injection system automatically controls the number and volume of injections during each cycle based on load conditions, resulting in greater power and improved fuel economy. It meets the latest non-road China IV emission standards without the use of urea. The 4.5L engine boasts greater explosive power and smoother operation. A regeneration cycle of >100 hours and a DPF cleaning cycle of >5000 hours reduce operating costs.
The new positive flow system delivers faster response, on-demand lubrication, and reduced center-position backflow losses. A large-displacement, high-efficiency main pump reduces internal leakage, while the swash plate’s slewing angle increases power density, enabling greater overall throughput. A new generation of high-efficiency main valve eliminates some logic valves, minimizing pressure loss and enhancing operating capacity. The larger boom cylinder increases digging force by up to 9%, providing more powerful cutting.
The all-new, large-scale, parallel-connected aluminum radiator utilizes integral brazing technology and features an ultra-large, positive-pressure degassing auxiliary water tank to reduce cavitation and extend water pump life. Combined with a large-diameter fan, wind velocity contours and temperature streamlines were generated through finite element simulation to optimize the wind field and lower the thermal equilibrium temperature, meeting continuous operation requirements in a 50°C environment.
The slewing platform utilizes a new rigid box structure, with key plate thickness increased by up to 25% and maximum stress reduced by 30%, providing greater strength and life. The turntable side beams utilize a D-shaped tube structure to enhance the turntable’s resistance to external impacts. Robotic welding is employed throughout the turntable body, improving the durability and safety of structural components. The engine mount system features a vibration isolation rating of ≥17dB, and the cab mount system features a vibration isolation rating of ≥7dB, enhancing operator comfort.
The undercarriage’s travel mechanism utilizes reinforced track links at key stress-bearing locations, increasing their strength and impact resistance, significantly extending the track’s service life. The grease tray has been replaced with a single-piece stamped part, ensuring the seal ring’s rounded installation, preventing wrinkles and improving sealing performance. The X-beam has been reinforced, significantly increasing end face strength through increased box beam size, plate thickness, and structural improvements.
The all-new cab boasts a 10% wider field of view and 5% more operator space. Positive pressure reduces dust intrusion, enhances sealing, and reduces noise. The all-new seat structure features an 8% wider and longer cushion, and the armrest adjusts synchronously with the seat, making all controls easily accessible for more comfortable operation.
The next-generation electronic control system features push-button start and a high-resolution touchscreen instrument panel with more detailed layout, clearer images, and easier interaction. The new control system utilizes a CAN bus, with the monitor responsible for display and the controller responsible for signal acquisition and output. This bus connects the monitor, GPS controller, radio, air conditioning controller, and engine ECM, enabling faster data management and more efficient operation. Bluetooth, AUX, and USB entertainment features enhance functionality, allowing for both work and entertainment.
All daily maintenance points are accessible from ground level, enhancing safety and maintenance efficiency.
