Replacement for HappiJac 4100 Camper Jacks
Updated 04/21/2025 | Published 10/07/2020
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Question:
Hello, I have a 2001 Bigfoot 1500 with Happijac 4100 jacks. There are wiring provisions next to each jack and a plug in inside the camper. Is it wise to consider upgrading to a newer jack system or would it be prudent to get a motor upgrade kit if it is compatible with the 4100? Also are parts available for the 4100 series if necessary? I have my Bigfoot on a 2001 2500 HD. I just purchased a 2020 3500 HD and am not sure how much lift the 4100 has? I havent lowered the jack to see how much travel I use on the 2001. The 2020 is a bit higher off the ground. Thoughts? Thanks!
asked by: Craig B
Expert Reply:
It looks like the HappiJac 4100 series jacks had 34.5" of travel, and there are some parts available to replace things in a pinch, but with newer trucks getting taller it might be wise to upgrade to a whole new set of jacks. I recommend taking a look at the HappiJac Electric Truck Camper Jack System - 36-1/2" Lift - 11,200 lbs
Item # LC736515-ELKIT, which would give you 2" more of lift, which would be ideal for your new 2020 Chevy Silverado 3500.
If you've got HappiJac 4100 series camper jacks that are manually operated currently you would need part # LC733960 or if you're replacing the existing motors you'll want to use the Manual-to-Electric Conversion Kit for HappiJac Truck Camper Jack Systems # LC733960-182524
Product Page this Question was Asked From
Replacement Motor Heads w Circuit Board and Remote for HappiJac Electric Truck Camper Jack Systems
- Accessories and Parts
- Camper Jacks
- Trailer Jack
- Motor and Gear Parts
- Motor
- HappiJac
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Jon M.
4/21/2025
The newer vertical motors can’t be used with the 1500 series on the front because there isn’t enough clearance. The back are fine but on the front at least You’ll have to use the older styler motors. I have a 2001 1500 8.2 and ran into this issue a few years back and after a lot of emailing with Bigfoot and lippert basically that was the only motor solution.