Guides
Practical technical guides for commercial, agricultural and off-highway tyre applications.
Choose a guide below for help with tyre markings, load ratings, pressures and fitment decisions.
Setting agricultural tyre pressure by axle load
How to use axle weights, working speed and the manufacturer’s load and inflation tables to set agricultural tyre pressures for field and road work.
Open →Foam filling: what it costs, what it weighs, when it is worth it
Explore foam filling for industrial and off-highway tyres, including added weight, operating limits, costs and alternatives.
Open →Forklift tyres: cushion, solid resilient and pneumatic compared
Compare cushion, solid resilient and pneumatic forklift tyres, including wheel compatibility, sizing, non-marking compounds and working conditions.
Open →IF and VF agricultural tyres explained
Explore IF and VF agricultural tyre construction, load and pressure options, and the machine checks needed to make use of their extra capability.
Open →Load index and speed symbol explained
Understand load indices and speed symbols, the distinction between single and dual fitments, and the checks needed when specifying a tyre.
Open →OTR tyre codes and star ratings decoded
Understand TRA service codes, tread classes, star ratings and TKPH, with key tyre and wheel safety considerations for off-highway applications.
Open →Ply rating and load range — what PR actually means
Understand ply rating and load range letters, how they describe casing strength and how to use them alongside the manufacturer’s load data.
Open →How to read a truck tyre sidewall
Understand truck tyre size, load and speed markings, date codes and other sidewall information used when checking a fitment.
Open →Retread or replace? Working it out on cost per kilometre
Compare new tyres and retreads using cost per kilometre, casing condition and operating records to support your fleet’s tyre decisions.
Open →Rolling circumference, tachograph error and mixing sizes
Understand rolling circumference, the effect of size changes on vehicle instruments and the importance of matching tyres across a fitment.
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