PT6A Turboprop Engine Demonstrated & The Types of PT6-A

The PT6A family is a series of free turbine turboprop engine providing 500 to 1,940 SHP.

BERLIN, GERMANY – MAY 21, 2014: Turboprop engine Pratt & Whitney Canada PT6A-65B closeup of a military transport aircraft PZL M28B Bryza. Polish Air Force. Exhibition ILA Berlin Air Show 2014

Covington is a Pratt & Whitney Canada certified Distributor and Designated Overhaul Facility (DDOF) for the following PT6A models:

  • 10
  • -11
  • -20
  • -20A
  • -20B
  • -21
  • -25
  • -25A
  • -25C
  • -25E
  • -27
  • -28
  • -34
  • -34B
  • -35
  • -36
  • -38
  • -41
  • -42
  • -42A
  • -45
  • -45A
  • -45B
  • -45R
  • -50
  • -52
  • -60A
  • -61
  • -62
  • -64
  • -65AR
  • -65B
  • -65R
  • -66
  • -66A
  • -66B
  • -66D
  • -67
  • -67A
  • -67AF
  • -67B
  • -67D
  • -67F
  • -67P
  • -67R
  • -110
  • -112
  • -114
  • -114A
  • -116
  • -121
  • -135
  • -135A

Here is a great demonstration of how the PT6A works

Below is a list of all of the PT6A engines for reference.

variantequivalentshaftapplications[24]
 shafthorsepower
 horsepower 
PT6A-6525 eshp500 shp 
PT6A-11AG528 eshp500 shpAir Tractor AT-400
   Schweizer Ag-Cat G-164B Turbine
PT6A-15AG715 eshp680 shpAir Tractor AT-400
   Air Tractor AT-501
   Frakes Turbocat
   Schweizer Ag-Cat G-164B Turbine
PT6A-20579 eshp550 shp 
PT6A-21580 eshp550 shpBeechcraft King Air C90A/B/SE
   Beechcraft Bonanza (turbine conversion)
   Evektor EV-55 Outback
PT6A-25, -25A580 eshp550 shp 
PT6A-25C783 eshp750 shpEmbraer EMB 312 Tucano
   Pilatus PC-7/PC-7 MKII Turbo Trainer
   PZL-130 Orlik / TC-II Turbo-Orlik
PT6A-27715 eshp680 shpBeechcraft Model 99A, B99
   de Havilland Canada DHC-6 Twin Otter 300
   Harbin Y-12
   Embraer EMB 110 Bandeirante
   Let L-410 Turbolet
   Pilatus PC-6/B Turbo-Porter
PT6A-28715 eshp680 shp 
PT6A-29778 eshp750 shp 
PT6A-34783 eshp750 shpEmbraer EMB 110 Bandeirante/111
   Embraer EMB 821 Caraj√°
   Grumman Mallard (turbine conversion)
   JetPROP DLX
   PAC P-750 XSTOL
   Quest Kodiak
   Vazar Dash 3 Turbine Otter
   Viking DHC-6 Twin Otter 400
PT6A-34AG783 eshp750 shpAir Tractor AT-502B
   Frakes/Grumman Turbo-Cat Model A/B/C
   Pacific Aerospace 750XL
   PZL-Okecie PZL-106 Turbo Kruk
   Schweizer Ag-Cat G-164B/D Turbine
   Thrush Model 510P
PT6A-35787 eshp750 shpBlue 35
   JetPROP DLX
PT6A-36783 eshp750 shp 
PT6A-38801 eshp750 shp 
PT6A-110502 eshp475 shp 
PT6A-112528 eshp500 shp 
PT6A-114632 eshp600 shp 
PT6A-114A725 eshp675 shpCessna 208 Caravan
PT6A-116736 eshp700 shp 
PT6A-121647 eshp615 shp 
PT6A-135787 eshp750 shpBeechcraft King Air F90-1/C90GT/C90GTi/C90GTx
   Blackhawk XP135A Cheyenne Series
   Blackhawk XP135A Conquest I
   Blackhawk XP135A King Air 90 Series
   Cessna Conquest I
   Lancair Evolution
   Silverhawk 135/StandardAero C90/E90
   StandardAero Cheyenne Series
   StandardAero King Air F90
   T-G Aviation Super Cheyenne
   Vazar Dash 3 Turbine Otter
    
Medium[23]  
variantequivalentshaftapplications[24]
 shafthorsepower
 horsepower 
PT6A-40749 eshp700 shp 
PT6A-41903 eshp850 shpBeechcraft King Air 200/B200
   Piper Cheyenne III/IIIA
PT6A-42903 eshp850 shpBeechcraft C-12 HuronF
   Beechcraft King Air 200/B200
   Blackhawk XP42 King Air 200
   StandardAero King Air 200
   Blackhawk XP42A C-208 Caravan Series (-42A)
   Piper Meridian
PT6A-451070 eshp1020 shp 
PT6A-501022 eshp973 shp 
PT6A-52898 eshp850 shpBeechcraft King Air B200GT/250
   Blackhawk XP52 King Air 200/B200
   Enhanced Aero B200GTO
   StandardAero King Air 200/B200
PT6A-60, -60A1113 eshp1050 shpBeechcraft Super King Air 300/350
PT6A-60AG1081 ehsp1020 shpAir Tractor AT-602
   Ayres Thrush 550P/660
PT6A-61902 eshp850 shp 
PT6A-62 950shp[25]KAI KT-1/KO-1
   Pilatus PC-9 Turbo Trainer
    
Large[26]   
variantequivalentshaftapplications[24]
 shafthorsepower
 horsepower 
PT6A-64747 eshp700 shpEADS Socata TBM 700
PT6A-65B, -65R[23]1249 eshp1173 shpBeechcraft 1900/1900C
   Polish Aviation Factory M28 Skytruck
PT6A-65AG, -65AR[23]1298 eshp1220 shpAir Tractor AT-602
   Air Tractor AT-802/802A/802AF/802F
   Ayres Thrush 660/710P
PT6A-66, -66A, -66D905 eshp850 shpNational Aerospace Laboratories SARAS
   Piaggio P.180 Avanti
   Ibis Ae270 HP (-66A)
   EADS Socata TBM 850
PT6A-66B1010 eshp950 shpPiaggio P180 Avanti II
PT6A-67, -67A, -67B, -67P1272 eshp1200 shpBeechcraft Starship
   Epic LT
   IAI Heron TP
   Pilatus PC-12 (-67B)
   Pilatus PC-12NG (-67P)
PT6A-67D1285 eshp1214 shpBeechcraft 1900D
PT6A-67AF, -67AG, -67R, -67T1294 eshp1220 shpAir Tractor AT-802/802A/802AF/802F (-67AG)
   Ayres Thrush 710P (-67AG)
   Basler Turbo BT-67 (-67R)
   Shorts 360 / 360-300 (-67R)
PT6A-67F1796 eshp1700 shpAir Tractor AT-802/802A/802AF/802F
PT6A-681324 eshp1250 shpT-6A Texan II
   Pilatus PC-21 (-68B)
   Embraer EMB-314 Super Tucano (-68C)

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