Built for dependability, longevity and durability in a wide range of operating conditions, the VHP? Series is ideal for mechanical drive applications. Versatile, gaseous-fueled inline 6 cylinder VHP engines are rated at 412 bhp (307 kWb) to 840 bhp (627 kWb) for intermittent duty applications up to 3500 operating hours per year. For applications requiring more than 3500 hours per year a continuous rating of 366 bhp (273 kWb) to 840 bhp (627 kWb) is available. The Engine System Manager (ESM?) is Waukeshas fully-integrated engine diagnostic and control system that comes standard on the F3514GSI and F3524GSI.