Structure of rear wheel to support cargo trailer

Asked by: Eric Maxwell

What are the components of a trailer?

Collection: Trailer Components

• Trailer Fenders.
• Trailer Jacks.
• Trailer Ramps.
• Trailer Couplers.
• Trailer Lights & Electrical Components.
• Trailer Safety Chains.
• Winches & Winch Accessories.
• Dump Trailer Pumps & Remotes.

What is the axle of a trailer?

In the most basic terms, the axle is a shaft that transfers the trailer weight and drive to the wheels. This simple-sounding shaft, though, may be the most complex part of the trailer.

How is a trailer attached to a truck?

A trailer coupler is used to secure the trailer to the towing vehicle. The trailer coupler attaches to the trailer ball. This forms a ball and socket connection to allow for relative movement between the towing vehicle and trailer while towing over uneven road surfaces.

What is the triangle part of a trailer called?

The answer is a trailer coupler.

What is a hitch shank?

A shank is the hole in the ball mount that the trailer ball goes into. The shank size is determined by the trailer hitch class you are purchasing: Class I & II: 3/4″ Diameter.

What is trailer configuration?

Trailer Configuration: The number of semi- trailers attached to the truck tractor.

What are the different types of trailer axles?

Trailer axles are normally divided into two different types: Spring axles and torsion axles. While these two types of axles perform the same basic job, the way they go about suspending and cushioning the trailer load is completely different.

What is a trailer spindle?

Spindles are the innermost part of the trailer wheel and axle assembly. They provide a surface for the wheel bearings and wheel hub to rotate around.

What is a trailer torsion axle?

Torsion axles are made up of thick rubber cords concealed in the axle’s tubing. As each wheel moves up and down, the rubber cords compress offering an even wheel suspension for a smooth ride. Each wheel acts independently, moving and absorbing shocks.

What is the back of a trailer called?

The panels that seem suspended from the rear of the trailer are sometimes called boat tails but are more frequently referred to as trailer tails or rear trailer fairings. The panels under the body of the truck are referred to in a number of ways: side skirts, side panels, or aerodynamic panel skirts.

How are trailers attached to tractors?

Quote from video: And chock the wheels. I chalked the trailer wheels if it doesn't have spring brakes I lower the landing gear.

What is a pintle hook in trucking?

Pintle hitches allow a trailer with a lunette (eye) to be coupled to a vehicle with a pintle. In some trailer trains, the pintle is mounted on the rear of each trailer, allowing one trailer to follow another. The connection of the two vehicles is the soul purpose that the pintle hitch fills.

What is a trailer tongue?

The tongue is the part of the trailer that sticks out ahead of the cargo area; it’s typically two rails that form a V shape, but sometimes it’s just a single rail. It holds a coupler at its forward end that fits over and attaches to the trailer ball. Related: These 10 SUVs Have the Highest Towing Capacity.

What is the difference between a hitch and a receiver?

Hitch Types



A device which attaches directly to the tow vehicle providing the connection between the tow vehicle and the trailer. A fixed tongue hitch includes the ball platform, while a receiver style hitch has a receptacle (typically 1-1/4″ or 2″) for inserting special ball mounts or bike racks.

How does a trailer coupling work?

A trailer coupler is a device that connects the hitch of the tow vehicle to a trailer. They come in many different sizes and types, but the trailer coupler must match the tongue on your particular trailer. They all work by clamping around the trailer hitch ball.

What is a full trailer?

noun. : a trailer whose weight is carried entirely on its own wheels compare semitrailer.

What are the sides of a trailer called?

Curb Side – The passenger side of your trailer in the US. Street Side – The driver’s side of your trailer in the US. Bumper Pull – Trailer that connects to a ball hitch that’s attached to the tow vehicle’s frame or bumper.

What is a standard trailer?

The standard dimensions of semi-trailers are: Length: 48 – 53 feet (576 – 636 inches) Width: 8.5 feet (102 inches) Height: 13.5 feet (162 inches)

What is the back of a trailer called?

The panels that seem suspended from the rear of the trailer are sometimes called boat tails but are more frequently referred to as trailer tails or rear trailer fairings. The panels under the body of the truck are referred to in a number of ways: side skirts, side panels, or aerodynamic panel skirts.

How does trailer tail work?

Trailer tails, boat tails, or rear fairings comprise a set of panels, usually collapsible, which fold out from the rear of the trailer, creating a tapered shape that reduces drag from the low-pressure wake created behind the trailer.

What is rear overhang?

A vehicle’s rear overhang is the distance between the vehicle’s rear and its rear overhang line.