PT6B-37A

Engine model
Manufacturer Pratt & Whitney Canada
Engine type Turboshaft

Technical specifications

Design
Compressor stages
4
Control system Single channel EECU + Mechanical backup control
Gas generator stages
1
Power turbine stages
1
Dimensions
Height
0.9 m
2.95 ft
Length
1.5 m
4.92 ft
Width
0.48 m
1.57 ft
Power limits
Max. continuous power
631 kW
846 hp
Max. takeoff power
684 kW
917 hp
Rotation speeds
Output shaft RPM
4,460
Torque limits
Max. continuous torque
135.2 daN/m
997.2 lbf⋅ft
Max. takeoff torque
146.3 daN/m
1,079.1 lbf⋅ft
Weights
Dry weight
185 kg
408 lb