Replacement Motor Head for a HappiJac 4150 and 4500 System

Updated 10/05/2025 | Published 07/21/2022

Products Featured in This Question

Replacement Clutchless Motor Head for HappiJac Truck Camper Jacks - Qty 1

(30)

$345.27

Manual-to-Electric Conversion Kit for HappiJac Truck Camper Jack Systems

(16)

$1587.92

Question:

Is the LC759927 the right upgrade/replacement for my 2004 4150s and 4500s ?

asked by: Mark R

Expert Reply:

Yes, the Replacement Clutchless Motor Head for HappiJac Truck Camper Jacks # LC759927 would be the correct part to replace the head on your HappiJac 4150 and 4500 system if already converted to electric.

If you have not already converted your 4150 and 4500 system to electric, you would need to get the Manual-to-Electric Conversion Kit for HappiJac Truck Camper Jack Systems # LC733960-182524 instead which includes the 4 clutchless, current sensing motors, circuit board, remote control, and wiring.

expert reply by: Scott S

Martin

10/3/2025

I have some 4500 4150 happy Jack. I need the refurbish the heads or get some new heads. What is your recommendation Marty?

Robin H.

10/5/2025

@Martin we don't have any information on refurbishing the heads so it will be the same as above. You can use the # LC759927 replacement heads or if you need to make a manual to electric conversion # LC733960-182524.