15-30 seconds. Shifeng engine is a diesel engine that combines the essence of famous Chinese and foreign diesel engines and is carefully designed using the latest international three-dimensional software. The time from starting the engine to stabilizing power generation is about 15-30 seconds. When the water temperature is low, the diesel engine consumes a lot of fuel and wears out parts. After starting, the load should be slowly increased until the water temperature becomes normal before the engine can be loaded normally.