The engine is energy-efficient and environmentally friendly, offering good economy and quick return on investment for customers. The engine’s after-treatment system does not require urea, making it simple, economical, and convenient to use. The bucket has a large angle of attack and a high fill factor; the turning radius is small, providing maneuverability and flexibility. The cycle time for three operations is short, with fast speed and high efficiency. It is equipped with a fixed-axis power shift transmission, ensuring smooth gear shifting, stable performance, and high reliability. Strengthened front and rear frames: key stress points are reinforced, providing strong load-bearing capacity, eliminating stress concentration, and ensuring a reasonable load distribution for a long service life. The top-opening hood provides ample maintenance space, with the air filter, fuel filter, and after-treatment system centrally located for convenient maintenance.