AC Eletric Motor Drive Systems (AC-20/23) for Utility

Vehicles, Hydraulic Pumps, Ground Support Equipment, Motorcycles, Golf Cars

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hpevs golf car lithium battery pack HPEVS AC electric motors for golf cars HPEVS AC Electric Motor for Mining Industry HPEVS AC electric motors for industrial vehicles HPEVS Troubleshoot and Diagnostics
We Are Now Offering An AC Motor Controller Upgrade For The E-Z-GO RXV Golf Cars.
Our "Original" AC Drive System For Golf Cars Just Got A Whole Lot Better With The Introduction of an Automatic Parking Brake!!

HPEVS Golf Car Drive Systems

The "ORIGINAL", and still the best AC drive system available for your golf car!

Now Our Golf Car Drive Systems Come With
a 5 Year Warranty!!
We have Designed and Developed A Lithium-Ion Battery Kit For Golf Cars That Is Completely Integrated With The HPEVS Golf Car AC Drive Systems

Mining Vehicle Systems

Specialty motors designed and built for your specific applications!





To get information, please click on "Details" tab below.
Utility Vehicle Systems


We have a drive system to fulfill your utility vehicle requirements!




To get information, please click on "Details" tab below.
Diagnostic and Troubleshooting Documentation.





To obtain this information, please click on "Details" tab below.

We have added to our website dimensional drawings of the Curtis Instruments controllers.

These drawings can be helpful during the design phase of a project.

To get information, please click on "Details" tab below.
Hosts Mike Brewer and Edd China From The TV Show Wheeler Dealers Teamed Up with EV West to Install a HPEVS Drive System Into a 1985 Maserati Bi Turbo

It is Amazing To Us To See What Can Be Done With Our Drive Systems! Here Is Yet Another Example!

The Folks at EV West Have Created a Vehicle with One of Our Drive Systems!



To get information, please click on "Details" tab below.


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HPEVS Drive Systems

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Schematics, Instructions and Troubleshooting

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HPEVS AC Electric-Motor Drive Systems (AC-20/AC-23)


The AC 20 motor is 1 1/2" longer derivative of the AC 9/AC 15 motors. This motor produces 65 horsepower out to 5100 RPM and 82 ft./lbs. of torque at 96 volts/650 amps. This motor style is another very popular choice for motorcycles.

The AC 23 motor is same size as its sister motor the AC-20, but has been developed to produce more torque. On the same voltage and amperage as above (96 volt/650 amps), this motor produces 128 ft./lbs. of torque and 56 horsepower out to 3300 RPM.



The weight of this motor is around 60 pounds/27.2 Kg.

Link to power graphs:

Link to power graphs:



Here is a list of the typical applications for which this motor can be applied:

• Motorcycle
• Golf Car
• Utility Vehicles
• Hydraulic Pump
• Ground Support Equipment



for any questions that you might have.

OEM customers, please contact us

Of course all our systems are backed by an HPEVS and Curtis



Included in the package with this motor is the controller of your choice based on battery voltage, a wiring harness (generic or specific based on your needs), a dash display and a controller mounting plate. Also available are #2 battery/motor cables. The #2 battery/motor cables are needed with all of our golf car systems. We offer these cables as an option to purchase, but you can make your own cables as well.



AC 20/23-03.27

C-Face Adaptor

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NEMA C-face end plate
7/8" shaft w/ 3/16" key way on drive end




AC 20/23-04.01

Mining Vehicle Motor
10 spline
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C-face drive end
3/4" Shaft w/ 3/16" key way on brake end




AC 20/23-06.56

Hydraulic Pump Motor

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SAE "A" Pump Adaptor
w/ SAE coupler integrated mounting plate





AC 20/23-07.51

10 Spline

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Club Car Specific Motor
10 spline coupler with Graziano golf car style adaptor




AC 20/23-07.52

19 Spline

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19 spline coupler with Graziano style adaptor






AC 20/23-08.52

19 Spline

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Dana or Team Industries differential
Yamaha, E-Z-GO, Columbia, Tomberlin
golf carts




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