SKU: DRFC-3174
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T-Motor U11 II 120KV Brushless Motor - 12N14P, 15mm Shaft

₹20,340.00 (Inclusive of all taxes)
Out of Stock

The T-Motor U11 II 120KV is a high-power brushless motor engineered for heavy-lift multirotor platforms, supporting 6S to 12S LiPo battery configurations. Its 12N14P design and 15mm shaft deliver robust torque and efficient power conversion for demanding aerial applications.

Features

  • High-torque 120KV rating optimized for 6S-12S LiPo operation.
  • 12N14P stator configuration for smooth, powerful rotation.
  • Massive 15mm hardened steel shaft for maximum durability.
  • Rated for continuous 80A current and up to 4000W peak power.
  • Advanced cooling design with IP-rated dust and moisture resistance.

Out of stock

Description

The T-Motor U11 II series represents a significant advancement in heavy-lift propulsion, integrating a 12N14P electromagnetic design to minimize cogging torque and deliver exceptionally smooth power delivery across its operational range. The motor’s large stator and rotor mass are engineered to handle the intense thermal loads of continuous high-amperage draw, with an internal resistance of 57mΩ ensuring efficient energy conversion.

Structural integrity is paramount, with a precision-machined 15mm shaft and high-grade German bearings rated for over 1600 hours of reliable service. The external housing features an optimized aerodynamic fin design that accelerates passive airflow, significantly enhancing thermal dissipation compared to conventional designs. This motor is built for professional-grade UAVs requiring sustained thrust in agriculture, surveying, and industrial payload delivery scenarios.

Key Features

  • Engineered for extreme power density with a 4000W peak power rating.
  • Advanced stator cooling technology reduces operating temperatures for increased longevity.
  • High-precision German ball bearings ensure smooth operation and extended service life exceeding 1600 hours.
  • Robust construction with IP-rated features for resistance to dust and environmental moisture.
  • Optimized 12N14P configuration provides high torque and efficient power delivery at lower KV.
  • 1250mm long, high-strand-count silicone wires allow flexible installation on large frame designs.
  • Massive 15mm shaft diameter offers superior strength for direct-drive propeller mounting.

Applications

  • Heavy-lift agricultural drones for crop spraying and sensor deployment.
  • Large-scale aerial photography and cinematography platforms carrying full-frame cameras.
  • Industrial inspection and cargo delivery UAVs requiring high payload capacity.
  • Surveying and mapping drones with heavy LiDAR or multispectral sensor payloads.
  • Custom large-format multirotor builds for research and development projects.

Technical Specifications

Motor KV120 KV
Configuration12N14P
Shaft Diameter15 mm
Max Continuous Current80 A
Max Power4000W
Voltage Range6S to 12S LiPo
Internal Resistance57 mΩ
Weight792 g
Dimensions (L x Dia.)80 x 50 mm
Cable Length1250 mm

Frequently Asked Questions

What is the compatible voltage range for the T-Motor U11 II 120KV?

The T-Motor U11 II 120KV is designed for 6S to 12S LiPo battery systems (approximately 22.2V to 50.4V). Operating within this range ensures optimal performance and prevents damage from over-voltage. Always pair with a suitably rated ESC capable of handling the motor's 80A continuous current draw.

What type of propeller and mounting does this motor support?

This motor features a massive 15mm output shaft, designed for direct-drive mounting of large-scale propellers typical on heavy-lift drones. It is compatible with propellers that have a corresponding 15mm bore hub. The high torque at 120KV is suited for large-diameter, high-pitch props used in lift-focused applications.

How does the cooling design of the U11 II improve performance?

The U11 II incorporates an aerodynamically optimized housing with extended cooling fins. This design accelerates passive airflow over the stator, dissipating heat approximately 2.5 times more effectively than standard designs. This thermal management allows for sustained high-power operation, reduces efficiency loss due to heat, and significantly extends the motor's operational lifespan.

Package Includes

  • 1 x T-Motor U11 II 120KV Brushless Motor

Additional Information

Weight 0.792 kg
Dimensions 8 × 5 × 5 cm