Generac 5931, 8000 Running Watts/10000 Starting Watts, Gas Powered Portable Generator Generac's OHVI engine provides full pressure lubrication with low-oil pressure shutdown Electric start with manual pull start backup, battery included Idle control conserves fuel for extended run times and reduces noise TruePower technology provides clean, smooth operation with less than 5% total harmonic distortion Full-wrap, heavy-duty, 1-1/4" steel tube cradle for added durability and strength, and integrated lifting eye for easy transport and security on the job site