3.5 Tonne Excavator

This 3.5-ton excavator, with its exceptional power performance, flexible operation, and wide-ranging work adaptability, stands out as an all-round equipment in the field of small and medium-sized engineering. Whether it is for municipal infrastructure, agricultural development, or auxiliary mining operations, it can meet diverse needs with efficient and stable performance.

In terms of core power, it is equipped with the Japanese KUBOTA D1703 engine. This 3-cylinder in-line water-cooled 4-stroke model adopts a mechanical pump and naturally aspirated design, with a displacement of 1.642L. It can deliver a powerful output of 18.5kw (25HP) at 2200rpm and a maximum torque of 97.4N.m at 1500rpm, boasting sufficient power reserve. It can not only cope with high-intensity continuous operations but also achieve high fuel efficiency through precise fuel control. Meanwhile, the equipment also offers the Briggs & Stratton gasoline engine as an alternative, providing flexible options for working scenarios with different fuel supply conditions. It is worth mentioning that its emissions strictly comply with Euro 5 and EPA4 standards, balancing environmental compliance and adaptability to international markets, and ensuring that the concept of green operations runs through the entire construction process.

In terms of operational performance, this excavator demonstrates professional capabilities that surpass those of its peers in the same class. With a maximum bucket digging force of 30.4KN and a maximum arm digging force of 18.2KN, combined with a standard bucket capacity of 0.12m³, it can efficiently crush and load even hard soil, gravel, and light rocks. The hydraulic system is driven by a stable pressure of 22.5Mpa, ensuring that actions such as digging, lifting, and swinging are responsive and precisely controllable. Coupled with a swing speed of 12rpm, it significantly shortens the operation cycle and increases the workload per unit time.

In terms of working range, its parameters are particularly impressive. The maximum digging height can reach 4800mm, easily handling material hoisting for high-rise building foundations or auxiliary operations for high-altitude pipeline laying. The maximum dumping height is 3406mm, allowing direct unloading into the carriage of medium-sized trucks and reducing secondary transportation links. The maximum digging depth is 3208mm, and the maximum vertical digging depth is 2957mm, which can meet the needs of deep operations such as underground pipeline laying and foundation pit excavation. The maximum digging radius on the ground is 5480mm, and the maximum vertical digging radius is 5359mm, covering a working range far exceeding that of models of the same tonnage, thus greatly reducing the frequency of equipment movement. The boom adopts an asymmetric swing design of 55° to the left and 65° to the right, combined with a minimum swing radius of only 2530mm, enabling flexible adjustment of the working angle even in narrow spaces. The tail swing radius is only 860mm, further reducing the risk of collision during operation, making it particularly suitable for construction in confined spaces such as urban alleys and factory interiors.

The passability and stability of the equipment are also trustworthy. With an overall weight of 3810kg, paired with 300mm-wide steel track shoes (or 2154mm-long rubber tracks), the ground pressure is only 32Kpa. This not only ensures stable driving on muddy and soft ground but also reduces rolling damage to paved roads. The 1420mm track gauge and 1670mm ground contact length form a reasonable support, combined with a maximum grade ability of 58% (30°), enabling it to operate smoothly even on complex terrains such as mountain slopes and hilly terraces. The minimum ground clearance of 295mm effectively avoids collisions between the chassis and ground protrusions, protecting core components from damage.

In terms of detailed design, the equipment balances practicality and durability. The blade has a height of 350mm, a maximum lifting height of 365mm, and a maximum cutting depth of 385mm, which can quickly complete auxiliary operations such as site leveling, earth moving, and foundation cleaning without the need for additional equipment. The 2535mm boom length and 1400mm arm length form an optimized ratio, balancing the working radius and digging force. The 40L fuel tank, 44L hydraulic oil tank, and 7L engine oil capacity meet the needs of long-term continuous operations, reducing the number of shutdowns for refueling and replenishment.

In addition, the overall dimensions of the machine are controlled at 4915mm×1720mm×2525mm. Its compact size facilitates road transportation while ensuring passability in narrow spaces. Whether it is for precise digging, efficient loading, or navigating complex terrains, this 3.5-ton excavator can create higher operational value for users with its powerful power output, flexible operation response, and reliable structural design, making it an ideal choice for small and medium-sized engineering construction.