- Are you interested in a diesel generator with low fuel consumption? The Eicher Engines 25 Prime, with premium KVA diesel generator fuel consumption, is designed to save fuel while delivering prime power. At 100% load, this generator consumes only 6.18 L/h, ensuring cost-effective energy for your operations. Its efficient fuel consumption, coupled with its powerful 35.5 BHP engine, makes it the perfect choice for industrial and commercial needs.