Engine

PT6T TWIN-PAC®

A legend in the world of helicopters.
1,800 to 2,000 shaft horsepower class
The renowned Twin-Pac® has been the workhorse of medium class helicopters for four decades and is still going strong. The standard in its class for rugged dependability and excellent operating economics.

Overview

Lasting dependability

Our customers associate the Twin-Pac® with lasting dependability since its service entry in the 1970s. PT6T engines continue to enjoy strong sales today based on the excellent reputation and performance of the Agusta and Bell 212 and 412 helicopters and the PT6T's unparalleled record of dependability, together with a steady influx of advanced, value-based technologies.

Versatility on a wide variety of applications

The 1,800 to 2,000 shaft horsepower class, twin-power section PT6T has been produced in 11 models and its versatility has been demonstrated on a wide variety of applications for 358 operators in 76 countries. Nearly 7,400 PT6T engines delivered to power helicopters in service, accumulating more than 45 million flying hours in such applications as oil exploration, emergency medical service, maritime patrol and utility operations.

Tailor-made services and global customer support

Protect the value of your asset, plan your budget and minimize unscheduled maintenance with our Maintenance Programs: Our ESP™ for single aircraft, our FSP for growing fleets of 2-5 helicopters, and our FMP for fleets of six or more aircraft.

You can keep your helicopter in the air with with our SMART program. Our two-year, 500-hour Certified Pre-Owned program benefits buyers and sellers of used helicopters.

Operators are supported by our industry-leading global customer support, including over 40  service facilities around the world, more than 100 field support representatives, two 24/7 Customer First Centres for rapid expert support, the most advanced diagnostic capabilities for this market and the largest pool of P&W rental and exchange engines in the industry.
Features

Features of the PT6T engine family continue to expand

Specs

 

Thermodynamic
Power Class*
(Shaft Horsepower)

Mechanical
Power Class*
(Shaft Horsepower)

Output Shaft
Speed
(RPM)

Height**
(Inches)

Width**
(Inches)

Length**
(Inches)

PT6T-9 Series 2,243 1,855 6,000 32.5 43.5 66
PT6T-6 Series 1,970 1,875 6,600 32.5 43.5 66
PT6T-3 Series 1,800 to 1,920 1,800 to 1,875 6,000 32.5 43.5 66
* Powers are approximate values at take-off. Available at sea level, standard day, static conditions, uninstalled.
** Dimensions are approximate values.
*** Equivalent Shaft Horsepower: includes estimated equivalent contribution of exhaust thrust.

Applications (10)

  • PT6T-3

    Leonardo Helicopters AB212
    Sikorksy S-58T
  • PT6T-3B

    Bell Model 212
    Bell Model 412/SP/HP/EP
    Leonardo Helicopters AB412
  • PT6T-3BE

    Bell Model 412/SP/HP/EP
    Leonardo Helicopters AB412
  • PT6T-3BF

    Bell Model 412/SP/HP/EP
  • PT6T-3BG

    Bell Model 412/SP/HP/EP
  • PT6T-3D

    Bell Model 412/SP/HP/EP
    Bell CFUTTH CH-146 Griffon
    Leonardo Helicopters AB412
  • PT6T-3DF

    Bell Model 412/SP/HP/EP
    Leonardo Helicopters AB412
  • PT6T-3G

    Leonardo Helicopters AB412
  • PT6T-6

    Leonardo Helicopters AB212
    Leonardo Helicopters AB412
    Sikorsky S-58T
  • PT6T-9

    Bell Model 412 EPI

Services & support to keep you flying

Need support?

US & Canada
1 800 268-8000

International

Call: +8000-268-8000

or: +01-450-647-8000

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