The TF34-GE-100 turbofan engine has been developed by the US company General electric and employed on the 2-engine Lockheed S-3B Viking (US Navy) and also the 2-engine Fairchild A-10 Thunderbolt (US Air Force). The TF34 provides a thrust range between 9065 and 9275 pounds. The A-10 and S-3B are going to be replaced during a few years however P&W claims that the TF34 still used until after 2028.
