Briggs & Stratton 4155E gasoline engine

Briggs & Stratton 4155E Series gasoline engine with a vertical shaft, 500 cm³ displacement, and a maximum torque of 26.71 Nm at 3,600 rpm. The single-cylinder, four-stroke OHV design with a cast-iron cylinder sleeve, air cooling, and AVS anti-vibration system ensures smooth power delivery and reduced vibration during lawn tractor operation.

The electric starter makes it easier to start the engine, while Dura-Lube splash lubrication and a cartridge-type air filter with improved dirt retention help maintain stable performance under seasonal loads. The model is equipped with a 25.4 × 80 mm straight crankshaft, fuel pump, and 9 A charging system. The fuel tank and muffler are not included. Intended for lawn tractors.