A direct replacement 4820 jack leg engineered for Happijac truck camper jack systems. Built for multi-slide truck campers that demand serious lifting capacity, this heavy-duty Acme screw jack delivers a 2800 lb load rating and a 36.5" lift stroke -- giving you the clearance and stability needed on and off the truck.
The Lippert 736515 is the correct replacement jack leg for Happijac 4820 series truck camper lifting systems. If your existing jack is bent, worn, or has stripped Acme threads, this is the part you need -- sold individually so you can replace just the damaged leg without buying a full kit.
With a 51" outer tube length and 36.5" of lift travel, this jack provides maximum ground clearance when loading or unloading a camper from a truck bed. The heavy-duty Acme screw thread design handles the high side-loads and off-center forces common to truck camper use, resisting the deflection that can damage standard jacks over time.
Rated for 2800 lbs -- suitable for multi-slide and full-size truck campers that push the limits of standard jack legs.
Full 36.5" of lift travel provides the clearance needed to load and unload a camper safely from a truck bed.
Heavy-duty Acme thread form resists wear and side-load deflection better than standard lead screws, extending service life.
Sold as a single jack leg -- replace only the failed unit without purchasing a full system. Part # LIP736515.
This jack leg is the correct Lippert-replacement part for the Happijac 4820 series truck camper lifting system. It installs into the existing Happijac motor/drive assembly without modification. Always verify your Happijac system model before ordering to confirm fitment.
Multi-slide truck campers place significantly higher loads on jack legs than single-slide or hard-side models. The 736515 is rated specifically for these demanding applications, making it the appropriate upgrade or replacement when a lighter-duty leg has failed under load.
Happijac systems typically use four jack legs. If two or more are worn or damaged, replacing all legs at the same time ensures matched lift rates and load distribution. Mismatched legs can cause the camper to rack during lifting.