JT4A-9

Engine model
Manufacturer Pratt & Whitney
Engine type Turbojet

Technical specifications

Design
HP compressor stages
7
HP turbine stages
1
LP compressor stages
8
LP turbine stages
2
Dimensions
Fan diameter
1.08 m
3.54 ft
Length
4.8 m
15.75 ft
Thrust limits
Max. continuous thrust
60 kN
13,500 lbf
Max. takeoff thrust
74.7 kN
16,800 lbf
Weights
Dry weight
2,291 kg
5,051 lb

Aircraft models

Manufacturer Name Aircraft family
Boeing 707-227 Airplane
Boeing 707-321 Airplane
Boeing 707-328 Airplane
Boeing 707-329 Airplane
Boeing 707-331 Airplane
Boeing 707-344 Airplane