GEARED TURBOFANNo comparison. No equal. There is only one.

IN A LEAGUE OF ITS OWN

BIG FAN, EVEN BIGGER BENEFITS

This aerodynamic marvel: a bigger, more efficient fan brings you a quieter engine and the highest bypass ratio in commercial aviation.

Up to*

+33%

Fan Diameter
Compared to Previous Engine Generations

Up to*

12:1

Bypass Ratio

GEARED FOR TOMORROW, TODAY Fan Drive Gear System (FDGS)

A fundamental shift in jet engines, seven moving parts unlock high performance through a proven geared architecture.

3:1

Gear Ratio

1M+

Hours of Operation
On the FDGS

SPEED MATTERS

Slow fan and a fast core mean peak performance with no compromises – each part runs at its optimum speed.

40%

Slower Fan Speed
Compared to Previous Engine Generations

2,000

Airfoils Eliminated

IT'S WHAT’S INSIDE THAT COUNTS

Compressing air is hard work. That’s why the Pratt & Whitney GTF shares the load effectively between its high and low spools. Its integrally bladed rotors (IBRs) innovatively increase efficiency.

60%

Higher Pressure Ratio
Compared to Previous Engine Generations

Up to*

2

Fewer Stages

FEWER STAGES, MORE TO LOVE

Lightweight and green. Pairing high-speed turbines with a simplified combustor results in optimum efficiency and cleaner skies.

Up to*

4

Fewer Turbine Stages
Compared to Current Engine Generations

Up to*

50%

Reduction in Regulated NOx Emissions
Margin to CAEP/6

RUNWAY FOR GROWTH

Powered by proven geared architecture – and more than 40 groundbreaking innovations – the Pratt & Whitney GTF is unlike any engine that’s come before it. With pioneering technology that enables further evolution and performance enhancements in the future, the GTF is truly in a league of its own.

MEET THE FAMILY

*All statistics are based on data across the entire Pratt & Whitney GTF
Family and may not be applicable to specific engine models.

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© 2018 United Technologies Corporation—Pratt & Whitney Division.