JOST part description

Mounting Style: Outside Mount

Footwear: Cushion Foot, Low Profile 10" x 10"

Trave: 19" Travel

Design Features

• Elevating screw is fully encased in a grease tube.

• Legs are completely sealed and all shafts have seals to keep moisture out.

• Double "D" style shaft allows crank force to go directly into the gearbox, not torquing the bolt.

• Gearbox is completely fi lled with low temperature grease.

• Austempered ductile iron gears will not wear out.

• 10 bolt mounting pattern adds mounting rigidity.

• Reinforcing strap at the bottom of the upper housing for added strength.

Features & Benefits

  • Reinforcing strap and 10-bolt mounting pattern provide extra strength

Features & Benefits

  • Outside-mount, gear-side configuration for secure installation
  • 10” x 10” low-profile cushion foot for added steadiness
  • 19” travel size for controlled height adjustment
  • Fully encased elevating screws and sealed shafts keep moisture out for lasting performance
  • Legs are completely sealed, and the gearbox is filled with low-temperature grease for smooth operation
  • Double “D” style shaft directs crank force straight into the gearbox
  • Austempered ductile iron gears resist wear for long-term performance
  • Reinforcing strap and 10-bolt mounting pattern provide extra strength

JOST Series Landing Gear 

Don’t mistake all trailer landing gear for the same—features like mounting style and travel size affect functionality. The JOST Series Landing Gear is an outside-mount, gear-side model with a 10” x 10” low-profile cushion foot. Its 19” travel size allows for smooth and controlled height adjustments, which makes it easier to support and detach trailers. The JOST A440R.G3.19.38 helps prevent uneven weight distribution and supports safe loading and unloading.

Product Attributes

Lube Type Magnum
Mounting Style Outside Mount
Leg Speed Gear Side
Footwear Size 10 in. x 10 in. Low-Profile
Footwear Type Cushion Foot
Travel Size 19 in.
Notes Removable Cushion Foot

JOST® is a global leader in manufacturing safety-critical components for commercial vehicles. Its products are divided into three categories—vehicle interface, handling solutions, and maneuvering—and are manufactured in its different production sites located in more than 20 countries across five continents. Since it started as a humble forge of ball bearing turntables in 1952, JOST has grown exponentially and has become the leading supplier of landing gears and fifth wheel couplings around the world. Currently, there are five brands under JOST, including ROCKINGER, JOST, TRIDEC, Quicke, and Edbro. All these brands are renowned names in the industry, thanks to their high-quality products and continuous innovation.

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