QSmotor 273 4000w hub motor ebike motor

  • $535.00
Tax included. Shipping calculated at checkout.

The QS4000 W motor is Disc brake with rated 4000 W power and MAX7000 W power,speed range from 32 km/h-120 km/h.With single speed freewheel 154 mm open size.Has 2pcs hall sensor connectors one for normal use another for backup.

 qsmotor 4000w


Voltage(DCV) Rated 72 V(can use voltage range 48 V-72 V)
Wattage(W) 4000 W/MAX7000 W
Speed(Km/h) 32 km/h-1200 km/h
Torque(N.m) 185
Weight(Kg) 18
Current 55 Amp rated,MAX80 Amp and Peak111 Amp(72 V)
Brake Disc brake
Open size(mm) 152 mm
Wire diameter 10 mm²
Stator holder material Aluminium
Spokes 3.4 mm x 36 spokes
Position Rear
Hall sensor Dual with 1pcs use and 1pcs backup
Magnet width 40 mm
Stator size 273 mm
Magnet type 32pcs 4 mm curved magnets SH 150° degree heat resistance
Freewheel Single speed/3 S
Brake Disc brake
Working temperature Inside motor max working temperature 70°-120°
Motor Cable Standard high power connector 3+5 wires x 2
Temperature sensor Optional default KTY83/122


qsmotor 273 4000w


 qs motor 4000w spoke

28 x 6 T 300 RPM  72 V

45 x 4 T  550 RPM  72 V 

55 x 3 T 753 RPM  72 V 

65 x 3 T 850 RPM  72 V 



qsmotor 4000w size


The V3 turbo QSmotor is supplied with curved magnets 32 pcs x 4 mm which efficiency up to 88%,with enhanced motor wires(10 mm²) and high temperature resistance winding the motor can burden 111 Amp max current,what's importantly that the QSmotor can used with wide range voltage from 48 V-120 V without influence the motor performance.

Dual hall sensor

qs motor 6000w

Paking dimension:42 cm x 42 cm x 33 cm

Motor cable length L 1=800 mm-1150 mm.Leadtime is about 7-12 working days for production.

With a powerful torque and speed,durable quality this motor is very suitable for mountain climbing,racing.

Tips you want to know:

About shipping,please leave your telephone number!we will process your order when payment is done,delivery option would be standard Fedex/TNT/UPS according to your country address,the door to door shipping time is about 6-7 days.The default shipping address would be the bill address,please be sure to leave a correct address and telephone number when check out!!!

About warranty,our products do 1 year warranty for customers,if there are issue parts due to our products quality cause we will resend spare parts for free.