Telefly TF-Tj4000 Turbojet Engine 400kgf Aircraft Engine 4000n High-Speed Jet Engine

• Customization: Available
• After-sales Service: Officially
• Warranty: 1 Year
• Model NO.: TF-TJ4000
• Ignition Mode: Electric Ignition
• Speed: High Speed
• Cooling Cylinder: Air-Cooled
• Intake Pressure Impulse: Naturally Aspirated
• Fuel: Dual Fuel
• Type: Combustion Engine
• Max Thrust: 400kgf
• Fuel Consumption Kg/(Kgf.H): 7.4
• Air Flow Rate /[Kg/S]: 7.3
• Maximum Rotation Speed: 28500rpm
• Exhaust Temperature /ºC: 850
• Diameter X Length /mm×mm: 330*1243
• Main Engine Weight /Kg: 69
• Thrust-to-Weight Ratio: 6.2
• Start-up Time: 23s
• Max Altitude: 15000
• Max Speed: 1.5mA
• Transport Package: Original Box/as Requested
• Specification: Diameter*Length(mm)=83*198.5
• Trademark: Telefly
• Origin: China
• HS Code: 8411129090
• Production Capacity: 500PCS/Year
• Package Size: 0.00cm * 0.00cm * 0.00cm
• Package Gross Weight: 0.000kg

Product Description

Product

Model	TF-TJ4000
Diameter/Length(mm)	330/1243
Total Weight(g)	69000
Max Speed(RPM)	28500
Thrust(daN)	400
Rated Exhaust Temperature(℃)	850
Full Throttle Fuel Consumption(g/daN.h)	2880
Fuel Used	Kerosene/Diesel
Lubricating Oil	5% kero/3% diesel
Regular Maintenance Period(hour)	25

Company

  SHENZHEN TELEFLY POWER CO., LIMITED is a national-level scientific and technological-based high-tech

enterprise integrating R&D, production, sales, and after-sales services.

  TELEFLY began R&D on components of micro turbojet engines in 2013, started selling related components in 2014, and officially launched complete micro turbojet engine products in 2019. TELEFLY has successfully developed a series of micro turbojet engines with max thrust from 60N to 400 daN. These engines have been fully recognized by customers at home and abroad for their performance, stability, reliability, cost-effectiveness, and after-sales support.

  In 2025, TELEFLY made a breakthrough in diesel cracking technology and launched a new generation of portable smokeless diesel generators and high-efficiency diesel heaters.These products are widely applied in fields such as civil use, rescue operations, emergency power supply, and outdoor heating, and offer advantages including high energy density, low emissions, and light weight. TELEFLY is committed to providing cleaner and more reliable mobile energy solutions for global customers.

  Note: All of TELEFLY products are solely for civilian use and don't allowed for mili'tary purposes.

Exhibition

Reviews

Certifications

Packaging & Shipping

FAQ

Q1: Are you a factory or a trading company?

A1: We are an integrated industrial and trading company. We have our own factory responsible for R&D and production, as well as a professional foreign trade team responsible for global customer service and export support. This ensures competitive pricing and efficient delivery.

Q2: What are your main products?

A2: Our main business includes turbojet engines and related accessories. We also have experience in manufacturing and exporting communications equipment and modules. We support OEM/ODM services based on customer needs.

Q3: How do you ensure product quality?

A3: We have a comprehensive quality control system;

       Strict raw material inspection;

       Full-process inspections;

       100% functional and safety testing before shipment.

       Some products have also passed relevant certifications to ensure compliance and safety.

Q4: If there are any issues after placing an order, what is the after-sales service?

A4: We have a professional after-sales team, and our products are covered by a warranty (the specific duration varies by product). If quality issues arise, we provide technical support, parts replacement, or other reasonable solutions to ensure peace of mind for our customers. 

Q5: What shipping methods do you offer?

A5:1) Big order: By sea or by air.

      2) Small order: DHL, TNT, UPS, FEDEX, EMS,ARAMEX.

Q6: What's the terms of the transaction?

A6:EXW, FCA, FAS, FOB, C&F, CIF, CPT, CIP, DAF, DES,DDP.