This backpack - style power unit is equipped with a single - cylinder air - cooled four - stroke engine. It boasts a maximum power of 3.85KW and operates at a rotational speed ranging from 9500 - 10000r/min. With a displacement of 52.99CC, it delivers reliable performance. It can run on 92# or 95# fuel and has a horsepower of 5.09HP. The ignition method is an easy - start pull - type for convenient operation, and it features an imported diaphragm - type carburetor. Its standard power fuel consumption is 0.46L/H, ensuring efficient fuel use. Weighing approximately 4.0KG, it's relatively lightweight, making it suitable for extended use.