Architecture

Fan
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 81” fan diameter
- Up to 12:1 bypass ratio

Optimization
Speed matters
A 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 generation engines) - 2,000 airfoils eliminated

FDGS
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
- Millions of hours of operation

Compressors
It’s what’s inside that counts
Compressing air is hard work. That’s why the GTF engine shares the load effectively between its high and low pressure spools. Its integrally bladed rotors (IBRs) innovatively increase efficiency.
- 60% higher pressure ratio
(compared to previous generation engines) - Up to 2 fewer stages

Turbines
Fewer stages, more to love
Lightweight and green. High-speed turbines coated with the latest in material technology can operate in extreme temperatures. Along with a simplified combustor, the result is optimum efficiency and cleaner skies.
- Up to 4 fewer turbine stages
(compared to current generation engines) - Up to 50% reduction in regulated NOx emissions
(margin CAEP/6)

Growth
Runway for growth
Powered by proven geared architecture – and more than 40 industry leading 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.
*All statistics are based on data across the entire Pratt & Whitney GTF Family and may not be applicable to specific engine models.
Explore the GTF Engine Family

Pratt & Whitney GTF™ Engine
Family of geared turbofan engines
The Pratt & Whitney GTF engine brings game-changing performance to the table. Ranging from 14,000 to 34,000 pounds of thrust, the GTF powers several new aircraft platforms and connects people around the world.
- 90+ customers with 10,000+ orders and commitments
- 1,400+ aircraft in delivered to 60+ operators
- 4M+ flights and 18M+ engine flight hours
- 1B+ gallons (3B+ liters) of fuel saved
- 10M+ tonnes of CO2 avoided