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Comparison Hankook AM15 385/65 R22.5 158L vs Hankook DH05 8.5 R17.5 121L

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Hankook AM15 385/65 R22.5 158L
Hankook DH05 8.5 R17.5 121L
Hankook AM15 385/65 R22.5 158LHankook DH05 8.5 R17.5 121L
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from $158.72 up to $182.56
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Suitable for
trucks and buses
trucks and buses
Typeuniversaldrive
Seasonall seasonall season
Width8.5 "
Width385 mm
Aspect ratio65 %
Rim diameter22.5 "17.5 "
Load index158121
Speed ratingLL
Added to E-Catalogseptember 2016february 2015

Type

The type determines the installation location for which the tire is designed. Different installation locations require different characteristics, which are taken into account in the design accordingly. It is impossible to violate the type compliance - this leads to undesigned loads, which increase tire wear and can even lead to such a dangerous incident as a tire “explosion”.

Steering. Tires designed for installation on the steering axle of a truck. In this place, the wheels and tires are subject to additional torsional loads along the vertical axis (when the steering wheel is turned from side to side), which places increased demands on reliability.

- Presenter. Tires designed for installation on the drive axles of a truck, for which good grip on the road surface and high resistance to torsional loads along the main axis of rotation are extremely important.

Trailed. This category includes tires intended exclusively for installation on trailers (as well as on other axles other than steering or drive axles) and not suitable for any other use. With this setup, torsional loads are relatively low, but the tire is often subject to heavy weight loads (for example, in tractor-trailers, most of the weight is carried by the trailer).

- Universal. Tires that allow any of the installation options de...scribed above. This option is convenient because by purchasing a set of tires of one model, you can provide them to all the wheels of the truck at once, without purchasing other tires. On the other hand, at the same cost, universal tires are often inferior to specialized tires in terms of performance characteristics.

— Steering / trailed. Tires best suited for use as either steering or trailing tires. See above for more details on each of these options.

Width

Tyre profile width in inches. Inches are the most popular width format; in addition to it, there is also a designation in millimetres. Formally, 1 inch corresponds to 25.4 mm, but in fact the correspondence is not so strict: for example, the width of a 13 ”tyre in millimetres is usually 315 mm, not 330 mm. So it is best to convert millimetres to inches and vice versa using special tables.

As for the width, in this case it is indicated by the distance between the sidewalls of the tyre mounted on the disk and inflated (but not loaded). This is one of the parameters that determine compatibility with a particular disc: the tyre must be slightly wider than the rim. For the selection of rubber for specific disks in width, there are special tables.

Among modern tyres for trucks and buses, there are such standard width options: 6.5", 7", 7.5", 8.25", 8.5", 9", 9.5", 10", 11", 12", 13", 14". Tyres for special equipment and agricultural machinery (see "Intended use") may have larger sizes.

Width

Tyre profile width in millimetres. This designation is noticeably less common than inches (see Width above), but it is also used quite widely.

As for the width in the frame, in this case it is indicated by the distance between the sidewalls of the tyre installed on the disk and inflated (but not loaded). This is one of the parameters that determine compatibility with a particular disc: the tyre must be slightly wider than the rim. For the selection of rubber for specific disks in width, there are special tables.

On the modern market, among the popular sizes, there are such options in width: 205 mm, 215 mm, 225 mm, 235 mm, 245 mm, 265 mm, 275 mm, 285 mm, 295 mm, 305 mm, 315 mm, 385 mm, 425 mm, 435 mm, 445 mm.

Aspect ratio

Tyre profile height. This indicator determines how much the tyre protrudes above the disk. Specifies the profile height as a percentage of the width (see above). The lower the profile, the better the stability of the car on the road and the faster the rubber wears out; in turn, higher profiles are well suited for rough roads, primers and off-road.

In truck tyres, there are such options for profile height: 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%.

Rim diameter

Tyre inner diameter in inches. This parameter determines the possibility of installing the product on a specific car, more precisely, on a rim: the bore diameter must correspond to the diameter of the rim. The dimensions of the disk can be clarified by its marking or according to the documents for the car, in extreme cases, measure it yourself.

For trucks, 17" or less is considered small, over 24" is considered large. The most popular sizes in between include 17.5", 19.5", 20", 22.5" and 24".

Load index

The load index characterizes the maximum weight under which the tyre can be safely operated. As in the case of the speed rating described above, this indicator cannot be exceeded, otherwise unpleasant consequences are possible, up to accidents. Also note that when selecting according to the load index, it is worth considering the distribution of weight along different axes of the vehicle. And it is worth considering the maximum possible weight when the truck is loaded, in accordance with what to select truck tyres for heavy loads.