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- Cross-reference Part #: 320000S
Get your Happijac® camper jack system back in business with a replacement crank from Lippert. Our replacement cranks are designed to help you lift and lower your camper jack system. Happijac Screw Jacks have a 1,500-2,800 lb. capacity per jack. HappiJac Jacks include an outer tube that has been zinc plated and then powder coated for superior corrosion resistance. They also have a wiper at the bottom of the jack to help prevent debris from getting into the jack leg, and a zinc plated inner leg. All Happijac jacks have an electrical upgrade option and have a one year warranty.
Replacement manual crank for HappiJac camper jack systems. Standard 4" or long 8" cranks available.
For more than 50 years, HappiJac has been producing high quality products for the RV industry. HappiJac conducts extensive research and testing to develop quality products backed by sound engineering. HappiJac leads the industry in fully upgradeable camper jacks, space-efficient room slides and the only camper tie down system that effectively controls camper movement in all directions. From bed lifts and slide-outs to tie downs, jacks and toolboxes, we have the solution for your RV needs.
- Available sizes 4" standard crank or 8" long crank
- Easy-to-operate manual crank
- Allows you to lift and lower your camper jack system
| Width (inches) | 14 |
|---|---|
| Height (inches) | 3.5 |
| Length (inches) | 14 |
| Weight (pounds) | 1.5 |
| Crank size (inches) | 4 |
| Load capacity (pounds) | 1500-2800 |
| Dimensional weight (pounds) | 4.13 |
- What sizes are available for the happijac crank? The Happijac crank is available in two sizes: a 4" standard crank and an 8" long crank.
- What is the purpose of the happijac 4" standard crank? The crank is a manual replacement part designed to lift and lower your Happijac camper jack system.
- What is the weight capacity of happijac camper jacks? Happijac camper jacks have a weight capacity ranging from 1,500 to 2,800 pounds per jack.
- Is the happijac crank resistant to corrosion? While the crank itself is a replacement manual part, the Happijac jacks it operates feature zinc-plated and powder-coated outer tubes for superior corrosion resistance.
- Does the happijac camper jack system come with a warranty? Yes, all Happijac camper jacks come with a one year warranty.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.





