The FM425S backhoe loaders are primarily designed for high-mobility operations such as municipal construction, road building, and urban infrastructure. Both models utilize a mature and reliable power system, come standard with A/H outriggers, feature a compact layout balancing operational stability and maneuverability, and support a variety of optional attachments to meet diverse construction needs.

The FM425S has a working weight of 10,000±300 kg, a rated load of 3,000 kg, and a 1.2 m³ bucket. Its maximum unloading height is 3,615 / 4,355 mm, and its maximum digging depth is 4,333 / 5,502 mm, making it suitable for deep foundation pit construction and high-level unloading operations. In terms of power, the FM425S is equipped with a YC4DK100-T304 engine with a rated power of 73.5 kW, providing stable and reliable power output.