"Innovation in Motion,
Powered by Electricity"
Header Content Region
Insert text, image or banner ads here, or just delete this text and leave this area blank!
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!!
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.
Specialty motors designed and built for your specific applications!
To get information, please click on "Details" tab below.
96 Volt Automotive Systems
This is one of many systems available for auto conversions!
To get information, please click on "Details" tab below.
This is one of many systems available for auto conversions!
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.
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.
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.
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.
To get information, please click on "Details" tab below.

Innovation in Motion, Powered by Electricity
Newsletter Signup
AC 9 Family of Electric Motors
The AC-9 motor is our original "Golf Car" motor. It has proven to be very versatile and has been used in a variety of applications. This motor has been used in everything from mining vehicles to hydraulic pump to ground support equipment to name a few.
With a 48 volt system driving this motor, you should expect to see as much as 28 horsepower and 70 ft-lbs. of torque at 650 Amp.
The weight of this motor is around 50 pounds/22.7 Kg.
Link to power graphs: AC-9 POWER GRAPHS!!
Here is a list of the typical applications for which this motor can be applied:
• Golf Car
• Utility Vehicle
• Motorcycle
• Mining
• Hydraulic Pump
Please contact us with any questions you might have:
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 the amount of current needed to drive the vehicle efficiently, wiring harness (generic or specific based on your needs), dash display and an controller mounting plate. Also available are #2 battery/motor cables. The #2 battery/motor cables are needed with all our golf car system. We offer these cables as an option to purchase, but you can make your own cables as well.
Controller Options are as follows:
• 1234-5371 (48V 350A)
• 1236-5401 (48V 450A)
• 1238-5601 (48V 650A)