Place the truck in neutral and apply the parking brake. This indicates the trailer and tractor have made contact. Back up the Semi Truck Towards the TrailerĪfter lining up correctly and doing all your safety checks, get back in the cab and slowly reverse until you feel a slight jolt and hear a clang. Take the time to get out and check frequently. Even the most experienced truckers make mistakes. Keep checking your position to avoid any damage. The exterior mirrors can be used as a guide to slowly back up. The tractor should be lined up directly in front of the trailer. The semi truck and trailer should ideally be on a level surface. If it is too low, you could damage the trailer, too high, and it may not lock in place properly. It should be low enough to raise the trailer slightly when the tractor is back under it. Lower or raise the landing gear as needed. Check the trailer is at the correct height. Be sure the tractor has enough room to approach the trailer as straight as possible. The trailer wheels should be choked or have their brakes applied. The area around the trailer should be checked for any hazards. Make the Trailer ready for ConnectionĪside from checking the kingpin, the trailer will need to have any load secured to stop anything moving. And can lock in the required position.Īlso, check the kingpin is not bent or damaged in any way and is well greased. If it is a sliding, Fifth wheel, check it has the right amount of play. It should be correctly mounted and secured with a good amount of grease on the skid plate.Ĭheck the wheel can be tilted to the correct height, and the safety locking handle is in good working order. The Fifth wheel should be inspected for damage and missing parts. You can follow the steps below to ensure a successful connection between the semi truck and trailer. It can cause extra wear on your tires, depending on how you distribute the weight. So it picks up some of the excess weight. Provided it is moveable, of course, or by sliding the trailer axle forward. It can be done by either sliding the fifth wheel. The axles will need to be adjusted to distribute the weight of your load to even out the truck’s overall weight if needed. Do you need to set the Axles of a Trailer Before you Connect to a Semi Truck? Should your Semi Truck Connect to a Trailer when it’s Loaded or Unloaded?Īs long as the load is secure and you follow the correct safety measures, you can connect your semi truck to a loaded trailer.Īn unloaded trailer can be just as dangerous if not properly secured.īe sure to take the time to do your checks and secure them safely. The jaws close around the kingpin and lock them together. A skid plate that sits on top of the Fifth wheel then forms the connection. The semi truck itself has a Fifth wheel, that when reversed onto a trailer, will connect to what is called a Kingpin.
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