Free UK Delivery on orders over £99*
Product Specifications
Product Details
About T-MOTOR MN3515 Multirotor Fixed Wing UAV Motor KV400
T-Motor Navigator MN3515 KV400 brushless motor is engineered for stable, high-performance UAV applications. Featuring oversized bearings, twice the size of standard motors, it ensures smooth low-speed operation and robust frame stability under pressure. The motor's self-cooling design improves efficiency and power, making it ideal for multi-rotors, VTOL, and fixed-wing UAVs. With a maximum thrust of 3.4kg and an MTBF of approximately 1000 hours, the MN3515 delivers exceptional balance and durability. Regular lubrication of the bearings is recommended for optimal performance and longevity.
Navigator MN3515 Highlights:
- Max. thrust:3.4kg
- MTBF:About1000hours
- Features:Super Balance; High Strength Construction
- Motor Maintenance:Regularly lubricate bearings to reduce friction and wear
Application Areas:
Multi-rotors, VTOL, and Fixed-wing UAVs.
Package contains:
- 1x T-MOTOR MN3515 Motor KV400 ( kv which you choose)
- 1x Hardware pack
Matching Guide:


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Delivery & Returns
UK Delivery Options
Free UK Standard Delivery on orders over £99* (excluding certain items such as batteries).
(Typically delivered next working day, subject to courier collection cut-off times.)
- Royal Mail Tracked 24 – Next working day delivery for orders placed by 16:00 (4pm). Fully tracked.
- DHL Express Next Day – Next working day delivery for orders placed by 13:30 (1:30pm). Fully tracked.
- *Free delivery excludes batteries, oversized items, and remote UK areas such as the Highlands due to courier surcharges.
International Delivery Options
- DHL Express (Air) – Fast delivery to most European countries (often next day). Same-day dispatch for orders placed by 13:30 (1:30pm) UK time. Fully tracked.
- DHL Economy (Road) – Cost-effective alternative to Express, suitable for non-urgent orders. Fully tracked.
UK Returns
Unused items in original condition can be returned within 14 days for refund or 30 days credit refund.
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
International and B2B Returns
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
All returns must be authorised by 3DXR before being sent back. Please email info@3dxr.co.uk to request confirmation.
FAQs
Contact us by email at info@3dxr.co.uk with any questions you have about this product.
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