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4200 Series Jack Leg

4200 Series Jack Leg

Replacement 4200 Jack leg for your Happijac® truck camper jack system

Quick Facts

  • 2,800 pound capacity per jack
  • 34.5″ of lift

SKU: 720381

Availability: In stock


The 4200 Ball-Screw Jacks feature 2″ square tubing. The 4200 jack includes an outer tube that has been zinc plated and then powder coated for superior corrosion resistance. It also has 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.

Additional Information

Additional Information

Brand HappiJac®
Manufacturer Reference Number No
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