"Pratt & Whitney is pleased to deliver the first four F117 engines for the Indian Air Force's C-17 program," said Bev Deachin, vice president, Military Programs and Customer Support, Pratt & Whitney. "We look forward to a continued partnership with India as we complete the remaining F117 engines to fulfill this contract."
India's Ministry of Defense last year signed an agreement with the United States to acquire 10 of the transports, with the first to be delivered in the middle of next year.
All will be powered by F117-PW-100 engines, which are the military versions of Pratt & Whitney's PW2040 commercial engine.
The PW2040 powers the Boeing 757 commercial aircraft.
Pratt & Whitney says the F117/PW2037 has more than 50 million hours of use.
Notice of the initial delivery for India's Air Force was made from the Farnborough Air Show in Britain.