QS138 4000W 90h V3 with Gear Box MID Drive Motor for Electric Motorcycle

• After-sales Service: Yes
• Warranty: 15 Months
• Type: Motorcycle Engine
• Certification: CE
• Material: Alloy
• Usage: Car, Electric Bicycle, Electric Motorcycle
• Model NO.: QS-138-4KW
• Construction: Permanent Magnet
• Transport Package: Carton with Foam
• Specification: 4000w
• Trademark: QS
• Origin: China
• HS Code: 8711600010
• Production Capacity: 500000pieces/Year

Product Description

New Arrival QSMOTOR QS138 90H V3 with 1:2.35 gear box 4000w Mid drive motor

Notes:NEW ARRIVAL 138 4KW mid drive motor spline shaft as sprocket type. no stock, if interest, please contact seller.

P.S. If you have any confused about the shipping cost, please feel free to contact with us.

Also could place order but don't pay first, then we could adjust the price

 

One set including below kits:

 

1,1pc 138 4kw 90H V3 mid drive motor with 1:2.35 gear box

2,1pc 428 15T sprocket

 
 

Motor Type	PMSM Inner Rotor Motor	Motor design	single axle
Brand	QS Motor, QS MOTOR	Matched wheel	17 inch (as default)
Magnet Height	90mm,5 pole pairs	Rated power	4000w(Max continue 7500w)
Peak Power	13.5kw	Rated Torque	32N.m
Rated Voltage	72v	Speed	4800RPM
With flux weakening	7000RPM	Max Torque	150N.M
Cooling method	Air cooling	Max Efficiency	93%
Rated current	60A	Max bus current	200A
Thermic Probe	KTY83/122(as default)	Working temperature	70-120ºC,peak 150ºC
Phase wire	20mm² cross section	Waterproof grade	IP67
Color	Black	N.W/G.W	10.8kgs/11.5kgs
Package Dimension	34cm*34cm*33cm	Hall sensor	Single hall plate with waterproof connectors

 

 

 Demension drawing:

Test Report

 

Only for reference(due to the limitation of test machine,the maximum torque is not reached.)