Type: Coupled Turboshaft

Length: 65.3 in (1,660 mm)

Nominal Diameter: 19 in (480 mm) (each gas generator)

Weight: 617 lb (280 kg)

Compressor: 3-stage axial and 1-stage centrifugal (each gas generator)

Combustors: Reverse flow annular combustor

Turbine: 1-stage gas generator turbine + 1-stage free-power turbine (each gas generator)

Maximum Power: 1,800 shp (1,300 kW) at 33,000 free-power turbine rpm: flat-rated to 1,290 shp (960 kW)

Overall Pressure Ratio: 7.2:1

Turbine inlet temperature: NA

Power-to-weight ratio:  2.92 shp/lb (4.80 kW/kg)


Variants

Data in progress.


Aircraft

UH-1N

Bell 212

Bell 412

AH-1T