Gross Engine Output: Around 26 kWm to 28.6 kWm (equivalent to 27 HP – 28.5 HP).Engine Speed: Strictly 1500 RPM for 50Hz applications, which maximizes engine lifespan and keeps noise levels low.Electrical Output: Capable of sustaining a continuous 25 kVA prime load and up to 28 kVA emergency standby load.2. Mechanical Engine DesignCylinders: Usually a 4-cylinder inline arrangement, though some compact high-efficiency options use a 3-cylinder configuration.Engine Cycle: 4-stroke, industrial-grade compression ignition.Aspiration: Naturally Aspirated or lightly turbocharged depending on the manufacturer.Displacement: Generally ranges from 2.5 Liters (2,545cc) up to 3.3 Liters (3,298cc).Bore and Stroke: Typically around 90mm x 100mm up to 95mm x 105mm.Compression Ratio: High-efficiency ratio, normally 18:1.