Steel.
Modern wheels and axles are made from steel and aluminium.
4-wheeled cars have 4 axles. Depending on the type of drive-train that the car uses, some of the axles might only be stub axles or hubs, and some axles might be referred to as 'spindles', but they are all, 'axles', nonetheless.
Yes. And on those axles are where the wheels are situated.
A truck with three axles,(1 steering and 2 drive axles) is called a tandem.A trailer with 3 axles is called a tridem or a triaxle depending on the spacing between the axles.Number of axles is not specific to any one manufacture.
Mainly aluminium Alloys, steel axles and fasteners. Rubber tires.
If you have a sliding fifth wheel, you can transfer weight from the drive axles to the steer axle by sliding it forward, or you can transfer weight from the steer axle to the drive axles by sliding it back. If you have sliding tandems on your trailer, you can transfer weight from the drive axles to the trailer axles by sliding the trailer axles forward, or you can transfer weight from the trailer axles to the drive axles by sliding the tandem axles back. If you don't have these options, you have to readjust your load.
A Chevrolet Cavalier has 2 axles.
The Ford Fusion has 2 axles.
How many Axles does Honda Odyssey have?
A motor coach has 2 or 3 axles.
Normally there will be 5 or 6 axles. 1 steering axle 2drive axles and either 2 or 3 trailer axles.(Some states do allow more trailer axles.)