8000W 273 50H V3 72V 96V 20kW 350N.m Peak Brushless DC Gearless Electric Car In Wheel Hub Motor

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Product Overview


8000W 273 50H V3 72V 96V 20kW 350N.m Peak Brushless DC Gearless Electric Car In Wheel Hub Motor

For 273 E-Car wheel hub motor, it could be used for electric scooter, tricycle, light car.

273 motor means the diameter of iron ring/hoop is 273mm, for all 273 motor, e.g. 13inch,14inch,16inch,17inch 273 e-scooter hub motor,

273 spoke hub motor, 13inch,14inch,16inch.17inch 273 single shaft hub motor, 273 E-car Hub motor etc., the configuration & performance is the same as 13inch 273 Hub Motor.


New design disc brake cover 273 e-car motor

Standard disc is moped PCD:3*80mm, M8, it could be customized to be PCD:4*114.3mm, M12.

It's USD: 135.0 more per piece.

If the vehicle top speed is over 80KPH, then we suggest to use this new disc brake cover.

P.s.: The new mold is done, but the produce cost is quite high with T6 heat treatment.


Key Features


1). Simplify to make a electric-car. Gearbox, transmission shaft, clutch are no need. Which save space.

2). It could be installed in the rear to save more space for battery.

3). Support regenerative braking

4). High efficiency: 85~92%



PS.1). Above quotation base on 273 electric car hub motor, 48V~144V.

2). Above configuration is suggested for mass production.

3). We can customize the 14kW e-car hub motor, the production time will be long, around 45-50working days.

for EV enthusiast, V2 & V3 motor could be over-voltaged to gain more speed/performance (customizable).

Product description


Genearlly Spec:

  • Motor Type: BLDC Outer Rotor In-Wheel Hub Motor With Hall Sensor

  • Brand: QS Motor, QSMOTOR

  • Motor Design: Single axle without moped rim (integrated)

  • Matching Rim Size:14inch  & above wheel rim, CB ≥60mm,PCD ≤110mm(PCD 4*100mm, CB60mm as default)

  • Magnet Height: 50mm, 16 pole pairs

  • Stator: Aluminum Core

  • Rated Power: 8000W

  • Speed: 24KPH-110KPH, it's customized, genearlly we will design as 72V70KPH.

  • Work Voltage range: 48V-144V, will be 72V as default.

  • Max Torque approx 350N.m

  • KV: 6.8/10.0/12.7/14.3/16.8(optional)

  • Thermic Probe: KTY83-122 (as default, optional)

  • Max Efficiency approx 84%

  • Working Temperature: 70-120℃ , peak 150 ℃

  • Brake type: Disc brake (as default), PCD: 3*80MM, M8

  • Dual Halls with waterproof connectors(One for using, one for spare

  • 12mm axle flats

  • 16mm² Cross Section of Phase Wire(not including insulation layer)

  • Waterproof Grade: IP54

  • Color: Black (As default)

  • N.W/ G.W: 21.5kg/23.0kg


Dimension Drawing:

  • QS 273 e-car hub motor



Please noted:


Optional appearance, drawing, performance curve/test report are available.

If you need more technical information, please feel free to contact us.

We will give you reply in 12hours.

Conversion kits for 273 8kW E-Car hub motor


We're able to supply Controller, display, dc-dc converter, disc brake system, twist throttle...etc.

Application for E-Car hub motor




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