Flat Bottom Laminated Kraft Paper Bag with Zipper, and with more are only 10 tires?

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This is a typical 18 wheeler. It is what you see most often on US highways and is used for interstate transport:

A wheel is usually a reference to a rim and tire combination.KOMATSU 4D95 Mini Excavator Engine Spare Parts Main Bearing & Con-Rod Bearing- 18 rim/tire combinations.

It has one wheel and tire on each front position. Each of the other positions typically have two rims and tires for a total of 8 on the rear of the tractor and 8 more on the rear of the trailer.1u 96fibers MPO Fiber Optic Patch Panel Distribution MPO Cassette. These are two separate rims and tires for each position.Hopo Home Decoration Interior Window Hinge Door Hinge Component(four tire/rim combinations) visible in this picture:

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A truck with double trailers has lots of rims/tires, but might still be referred to as an 18 wheeler by the public:

Same with triples:

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This is the wheel arrangement on an 18 wheeler:

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If the tractor and trailer were equipped with SS’s, it would be a ten wheeler,Fiberglass Cloth Reinforced Adhesive Tape Aluminium Foil Tape.

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So,Classical Metal Swivel USB Flash Drive for Promotional Gifts? Because it has become a generic term, everyone understands what it means,High Clear Smart Tint Film for Projection. It’s much like steamrollers.They haven’t been driven by steam for almost a century,H Beam Steel Frame for Steel House Prefabricated House Steel Structure House.

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6500bph High Speed Pet Blower Extruder Machine. Then 2 rear driven axles,Manufacturer Disposable Medical Stainless Steel Blood Lancet Testing Kit. On the 2 rear axles, there are typically 2 tyres per side,Custom Food Grade Birthday Moon Cake Packaging Box with PVC Window.China Mongolia Price Euro 5 Man 6X4 Tractor Beiben Truck.Electric Hot Hair Curlers Rollers 3 Size 20 PCS Fuzzy Curling Barrel.

The trailers then typically have 2 axles with 2 tyres each per side.2016 Hot Sale Luxurious High Speed Small Shaft Vertical Lift up Mechanism. Giving 8 tyres/15g20g30g50g100g Porcelain White Cream Bottle Scrub Cosmetic Packaging Glass Jar Face Cream Wide Mouth Cream Bottle Jar.

Wood Chips Sawdust Carbonization Stove with Cheap Price. There may only be 5 axles sets, with a profile of 5 tyres per side. 4 of those axles hide a second wheel each side.

To save drag and fuel when empty one of each dual axle on the tractor and trailer can be lifted up. In this case, you’d end up with a 10 wheeler on the ground.

Let me straighten this out.

There has been constant, long-standing confusion between the distinct meanings of “wheel”.

Wheel can refer to “wheel rim”. It is the cylindrical structure to which a pneumatic tire is attached. There must be one tire on each wheel rim and I am not aware of any exception.

Wheel can also refer to “wheel hub”. It is the structure to which wheel rim or wheel rims are attached with studs.Promotion Stock Silicone Tea Infuser for Kitchenware. If the hub is on a driving axle,Plastic High Quality 12 Cavities Cap Mould. On a steering axle, it is the hub that steers which in turn steers the wheel rim. There must be a pair of wheel hubs on one axle, but there can be one or two wheel rims on a wheel hub. Some agricultural tractors even have more than two wheel rims on one hub.

The word “wheel” sometimes refers to wheel rims, as in “18-wheeler”.

A tractor semi-trailer combination is a ubiquitous type of highway freight transportation vehicle all over the world. A tractor which has a “fifth wheel” pulls a semi-trailer,Rigging Hardware Swivel Hoist Hook“fifth wheel” on the tractor is regarded as an articulation joint.

A typical North American combination consists of a tractor with three axles (one front axle and a set of driving tandem axle), and a semi-trailer with two axles. Before super-Factory Price Cheap World Cup Fans 14X21cm or Any Other Size Ecuador Hand Held Flag, all axles, except the front steering axle, are fitted with dual-tireson each side. That means two wheel rims, and hence two tires, on each wheel hub. Since one axle has two hubs, an axle with dual-tires counts a total of four tires.

So in the colloquial term “18-wheeler”, the word “wheel” here means “wheel rim”. An 18-wheeler has a total of (2+4+4)+(4+4)=18 wheel rims, and hence 18 tires.

However, an 18-wheeler has only 10 wheel hubs.

When does “wheel” refer to “wheel hub”?

When we refer to driving configurations, as in RWD, FWD, 4x4, etc.

If you ask any truck driver what his/her truck’s driving configuration is, he/Food Grade Silicone Infant Finger Toothbrush for Baby

“It’s a 6x4” or “4x2” or “8x6”, etc.

A 6x4 means the truck has three axles, and two of them drive. Because, again, there are two wheel hubs on each axle, you times the axle number by 2 to get the wheel hub number.

But from 6x4, you will not know exactly how many wheel rims or tires the truck has. Most possibly, it has (2+4+4=) 10, but it could also be six (Ceramic Dinnerware Set Stoneware Coffee Mug 5.5inch Bowl Hand Painted Dessert Plates), or other much less possible layout.

So back to your question. Your statement is not wrong. It depends on how you interpret the word “wheel”.

North American 18-OEM High Demand Precision Aluminum 6061 Hot Forging Parts:

• Here, “wheel” means “wheel rims” and therefore “tires”, and
• Typically they have 18 wheel rims and therefore 18 tires.

Hope this clarifies things a little bit.