The Jost JSK36N Series Fabricated Top Plate is designed to withstand the toughest conditions. The top plate is designed to provide a secure connection between the tractor and trailer and is capable of handling up to 45,000 lbs of vertical load and 150,000 lbs of horizontal load. The top plate is also designed to be easily rebuilt without removing it from the tractor frame or mounting bracket, taking only 30 minutes to complete. The top plate is an essential component for any heavy duty trucking operation, providing a secure connection between the tractor and trailer and ensuring a safe and reliable connection. FleetPride is your First Click in Heavy Duty®.