245/70R17.5 tyres suit a range of different trucks. They have section widths of 245mm and aspect ratios of 70%. This means that these tyres have heights that are 70% of their widths. The R in the code signifies that they are made with radial ply construction, while the following number signifies that they fit wheel rims that have 17.5 inch diameters.
Tyres have one last element at the end of their codes. This is usually a combination of two or three numbers and a letter. These let you know the maximum load capacity and the top speed that they can safely reach. As an example, 245/70R17.5 143J tyres can carry 2727kg each, at speeds of up to 100km/h.
There are many different trucks that can use 245/70 R17.5 tyres. They are designed with heavy duty construction so that they can carry much more weight than normal cars. A range of makes, models and years can use 245/70R17.5 tyres, but you should make sure to check the right fit for your vehicle before you make any decisions.
While 245/70R17.5 tyres can be a good option for a variety of vehicles and drivers, some may find that other sizes suit their driving style better. Tyres such as 235 75R17.5 are narrower, giving you a smoother and quieter ride, along with better mileage.