The SL150 is a medium-sized excavator with an operating weight of 14,300 kg. It is equipped with a 0.6 m³ bucket delivering a breakout force of 106.8 kN and is powered by a Cummins 4BTAA3.9-C125 engine (93 kW at a rated speed of 2,300 rpm, meeting Tier 2 emission standards). The machine features a swing speed of 10.1 rpm, a maximum gradeability of 35°, and a hydraulic flow rate of 2 × 116 L/min; it is fitted with a 4,600 mm boom and a 2,500 mm arm. With a maximum digging height of 8,620 mm, a maximum dumping height of 6,200 mm, a maximum digging depth of 5,630 mm, and a maximum digging radius of 8,260 mm, it is capable of handling medium-duty earthworks and operations requiring a large working radius.