HPEVS AC-9 Brushless AC Motor Kit - 48V with Curtis F6A-48-650 Controller

$2,925.45 USD
Shipping calculated at checkout.



The AC-9 is an AC motor that operates at 36-60V. It can draw up to 650A producing up to 27 HP (20kW) and 70 ft-lbs (95 Nm) of torque. This kit works very well in small, lightweight applications such as small boats, dirt bikes, ATVs, golf carts, kei cars and microcars. Features include regenerative braking as well as an idle function. At 48 volts, it makes a safer low voltage system that will give you lots of reliable EV miles.

Its right for you if:

You want to convert your old dirt bike or ATV to electric for an affordable price and still make decent power. Give your old junk a second life with this Curtis Electric Motor and Controller kit.

The tech you get:

  • HPEVS AC9 Motor
  • Curtis F6A-48-650 Controller
  • 35 Pin Connector and Wire Harness
  • 12 Volt HV Relay
  • Curtis 3140 Dash Gauge
  • SPST Menu Button
  • SPST Mode Switch

The final word:

A practical and safe small project power plant.


  • Motor Face: C-Face
  • Motor Diameter: 7.132 Inches
  • Motor Case Length: 10.988 Inches
  • Motor Shaft to Shaft Length: N/A with Back Plate
  • Motor Shaft to End Length: 13.238 Inches
  • Motor Type: AC Induction Brushless
  • Weight: 50 lbs (22.7 Kg)
  • Max Voltage Input: 60
  • Terminal Stud Size: 5/16 Inch
  • Integrated Sensors: Encoder and Temperature
  • Rated Torque: 70 Lb Ft
  • Rated Power: 27 HP
  • Max RPM: 10,000
  • RPM Sensor: Yes
  • Drive End Shaft: 7/8 Inch with 3/16 Inch Keyway
  • Accessory End Shaft: Not Available
  • Max Efficiency: 0.92
  • Thermal Cooling: Internal Fan
  • Max Temperature: 180 Degrees Celsius (356 Degrees Fahrenheit)
  • Matching Controller Included In Price: Curtis Controller 1238e-7621

Data Sheet - Click Here