JT4A-3

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
55.6 kN
12,500 lbf
Max. takeoff thrust
70.3 kN
15,800 lbf
Weights
Dry weight
2,277 kg
5,020 lb

Aircraft models

Manufacturer Name Aircraft family
Boeing 707-227 Airplane