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Lycoming T53

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Title: Lycoming T53  
Author: World Heritage Encyclopedia
Language: English
Subject: Lycoming T55, Bell UH-1 Iroquois, Lycoming LTS101, Lycoming ALF 502, Garrett TPF351
Collection: Lycoming Aircraft Engines, Turboprop Engines 1950–1959, Turboshaft Engines 1950–1959
Publisher: World Heritage Encyclopedia

Lycoming T53

Cutaway view of a T53 turboprop
Type Turboshaft
National origin United States
Manufacturer Lycoming Engines
Honeywell Aerospace
First run 1950s
Major applications AH-1 Cobra
Kaman K-MAX
OV-1 Mohawk
UH-1 Iroquois
Developed into Lycoming T55

The Lycoming T53, (company designation LTC-1) is a turboshaft engine used on helicopters and fixed-wing aircraft (in turboprop form) since the 1950s. It was designed at the Lycoming Turbine Engine Division in Stratford, Connecticut by a team headed by Anselm Franz, who was the chief designer of the famed Junkers Jumo 004 during World War II. A much larger engine, similar in overall design, became the Lycoming T55. Both engines are now produced by Honeywell Aerospace.


  • Variants 1
    • Military designations 1.1
    • Civil designations 1.2
  • Applications 2
  • Specifications (T53-L-701) 3
  • References 4
  • External links 5


Military designations

860 hp (645 kW)
825 hp (615 kW)
1400 shp (1044kW) improved L-11
1,400 hp (1044 kW) Turboprop variant used on Mohawk and AIDC T-CH-1
1,800 hp (1343 kW) improved durability variant of the L-13B

Civil designations

1100 shp (820kW)
1400 shp (1044kW) commercial variant of the L-13
1400 shp (1044kW) commercial variant of the L-13
1500 shp (1119kW) improved variant of the L-13
1550 shp (1156kW) direct drive variant of the L-13B


Specifications (T53-L-701)

General characteristics

  • Type: Turboshaft
  • Length: 58.4in 1483mm
  • Diameter: 23in 584mm
  • Dry weight: 688 lb (312kg)




  1. ^ "Turbokart: Lycoming T53-L-13B Turboshaft". 
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 132.  

External links

  • Honeywell T53 page
  • Honeywell T53 Worldwide Parts Distributor page
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