225/90R17.5tyres have a section width of 225mm and an aspect ratio of 90%. The aspect ratio is the height of the tyre in relation to its width. The R in 225/90R17.5 tyres signifies that they are made with radial ply construction, while the 17.5 means that they suit wheel rims that have diameters of 17.5 inches.
At the end of a tyre's code are two or three further numbers as well as a letter. These symbolise the maximum load capacity of each tyre, as well as the top speed that they can safely travel at. For example, 225/90 R17.5 127 L tyres can carry 1750kg each, at up to 120km/h.
225/90 R17.5 tyres can suit a range of different types of trucks. There are many makes and models that may be able to use these. Before you purchase new tyres, you should make sure that you know the right size, because the tyres of some models can vary depending on the year that they were made in.
You should think carefully when buying new tyres, because there may be more suitable options than the 225/90 R17.5. A wider choice can give you better handling and a shorter braking distance, while a narrower tyre can give you a quieter and smoother ride.