Engine Model: TJ-4000 (400 kgf)Ignition Type: Electric ignitionOperating Mode: High-speedCylinder Cooling: Air-cooledIntake / Boost: Naturally aspiratedFuel Type: Dual-fuelEngine Type: Internal combustion engineMaximum Thrust: 400 kgfFuel Consumption: 7.4 kg/(kgf·h)Airflow: 7.3 kg/sMaximum Rotational Speed: 28,500 rpmExhaust Gas Temperature (EGT): 850 °CEngine Diameter × Length: 330 × 1,243 mmMain Engine Weight: 69 kgThrust-to-Weight Ratio: 6.2Start Time: 23 sMaximum Operating Altitude: 15,000 mMaximum Flight Mach Number: 1.5Additional Dimensions: 83 × 198.5 mm