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Complete Boeing 502-6 Engine Specifications:
| Manufacturer: | The Boeing Co., Commercial Airplane Division, Turbine Program |
| Model: | 502-6 |
| Type: | Turboshaft |
| Power: | 160 bhp normal maximum (continuous) |
| Air Compressor: | Single stage, centrifugal |
| Burners: | Two: through-flow type |
| Turbine Stages: | Two: compressor and output turbines |
| Compressor Turbine Speed: | 36,500 rpm normal maximum (continuous) |
| Compressor Turbine Rotation: | Counterclockwise, viewed from shaft end |
| Overspeed Limit: | 3,210 to 3,290 rpm output shaft speed |
| Fuel: | Kerosene or Jet-A |
| Oil: | MIL-L-7808 OR MIL-L-23699 |
| Electrical System: | 24 Vdc |
| Weight: | 200+ lbs (252 lbs stated in manual) |
| Dimensions: | 43"L x 23"W x 23"H |
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Operating Limits:
| Condition | Minimum | Normal | Maximum |
| Turbine RPM | Cranking | 4,000 rpm | 5,000 rpm | 5,000 rpm |
| Idling | 14,500 rpm | 15,000 rpm | 15,000 rpm |
| Rated Speed | ----- | ----- | 36,500 rpm |
| Momentary | ----- | ----- | 37,500 rpm |
| Turbine Oil Pres. | Rated Speed | 35 psi | 50 psi | 70 psi |
| Auto. Shutdown | 18 psi | 20 psi | 20 psi |
| Fuel Pressure | Starting | 50 psi | 100 psi | 200 psi |
| Rated Speed | ----- | 350 psi | 500 psi |
| Idling Speed | 10 psi | 10-50 psi | 50 psi |
| Exhaust Temp. | Continuous | ----- | 1150F(621C) | 1225F(663C) |
| Auto. Shutdown | ----- | | 1300F(704C) |
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