New Surplus (3) GE 40 MW 6B (HFO) Gas Turbines New Surplus Heavy Duty (3) GE 40 MW 6B Simple Cycle Heavy Fuel Oil Turbines with Warranty. The New surplus turbines are available due to a cancelled project and come with GE transferable warranty. The turbines are heavy duty and designed to run on heavy fuel oil, 11.5 KV, 3000 rpm, 50 HZ, Fuel: Heavy Fuel Oil (HFO) and Distillate Fuel Oil. These are complete turbines with all fuel systems, electrical systems, control systems, air systems, cooling systems compressor systems, starting system, Lubricating system, fire fighting system and much more.