Golf Cart Parts and

Golf Cart Accessories

golf ​​​​​​​Carts Unlimited

Each kit includes an Alltrax speed controller, And Admiral motor, a complete wire harness, rocker switch F&R

Marathon Conversion options
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TXT48 Conversion options
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This kit changes a slow Series cart

to a TXT48 with

 more speed and power

Series drive is obsolete. Sepex drive is the future.

Modern Sepex motors make more power and speed more efficiently.

The Admiral motors in this kit are purpose built, engineered cart power.

This kit is 48v only.  Use conventional wet cell or lithium battery.


Ask us about conventional Lester Summit smart chargers and

Complete lithium battery /charger/ 12v reducer combos

Fits Ezgo TXT carts from 1995 to present with SERIES, DCS, or PDS drive.

Options 1B and 2B.   This option adds the FN-keyon the fly dial controls for speed

and regen brake pressure. This key operated unit allows for locking the cart in one of 3 operation modes. These can be preset slow, medium, and fast. Or lock out added security and medium and fast for different skill levels or use. 

Lock the performance to the driving situation.

Marathon solid state conversion

1994 and up 36v TXT cart conversion to modern day TXT48

Options 1A and 2A.   This option adds the FN2 on the fly dial controls for speed

and regen brake pressure. Adjust the performance to the driving situation.

Need help with selection? Questions about the conversion?

Contact us at cartsunlimited.net@gmail.com

How to order :

Review the options in the drop down menu below.

Make a selection in each of the drop down menus. Click add to cart.

Check out and your kit will arrive in 7-10 days.

1989 - 1994 Marathon solid state cart conversion to modern day TXT48

​This kit can be ordered in 36 or 48 volts

Installation requires level 2 skills and tools. Complete instruction is included. All of the old wiring will be removed. This wire harness has been time tested in our IQ conversion and is now modified for all TXT carts. This kit will transform your tired old cart into a modern day high performance cart for street or off road use.

​Select the Admiral 10 or 14 hp motor. Add-on FN2 speed and regen control.

Need help with selection? Questions about the conversion?

Contact us at cartsunlimited.net@gmail.com

TXT48  Conversion

Option 2. The 500 amp controller with 14 hp Admiral B4 motor

This controller has a peak output of 570 amps. It provides plenty of power for the 14 hp motor in all conditions. Can be used with stock or big tires. On or off the road.

More power for heavier loads or steeper hills.

Expect the same 22-23 mph on stock tires. 25 to 27 mph on big tires

SERIES carts like the one pictured below have a lever Forward and Reverse selector.


​This slow 36v cart can be converted to a TXT48 drive system and a powerful motor with our custom plug n play wire harness.

NEW  Ezgo Marathon carts from 1989 to 1994 with solid state controller.

NEW kit  available 06/08/2022

What's in the kit ? 

A 400 or 500 amp Alltrax controller, a heavy duty solenoid, a complete wire harness motor to key, an Admiral 10 or 14 hp motor, a complete 2g cable set.

Full instructions by the kit designer and builder . Free in dash battery meter

Note the stock motor is just 3 hp !

Option 1. The 400 amp controller with 10 hp Admiral B2 motor

This controller has a peak output of 460 amps. It provides plenty of power for the 10 hp motor in all conditions. Can be used with stock or big tires. On or off the road.

​Expect 22-23 mph on stock tires. 25-27 mph on big tires.