Inner Tubes

Type any truck, farm, OTR or forklift tire size and see what every number means, diameter and revolutions per mile.

11R22.5 vs 295/75R22.5 and 30 more sizes: diameter, revs per mile, speedometer, load ranges.

What G, H, L and 146/143 mean, in lbs and kg.

18.4-38 = 480/80R38: metric equivalents and same-height options for farm tires.

11R22.5, 295/75R22.5, 18.4R38, 23.5R25, 21x7x15 and more: dimensions and load tables from data books.

Last 4 digits of the DOT code: week and year made, and how old the tire is.

Press-on 21x7x15, pneumatic 6.50-10: real dimensions, load and when to replace.

Axle weight to minimum cold pressure for single or dual tires.

Gallons and added weight at 75% fill, water or calcium chloride, 226 sizes.

Front weight and rear implement: axle loads and load per tire.

Changing tractor tires? Pick current and new sizes and see how front axle lead changes — no gear ratio needed.

The difference between hot (mold cure) and cold (pre-cure) retreading, how each works, costs, quality and when to use which.

How truck inner tubes work, how to size them, valve types, flaps, installation and when tube-type truck tires still make sense.

Pneumatic forklift tires with tubes vs tubeless and solid tires, sizing, valves and maintenance for warehouses and yards.

Studded vs studless, Nordic vs Central European winter tires, the 3PMSF symbol, sizing and when to switch.

Do cars still use inner tubes? When a tube is the right fix, how to size it and the risks of putting a tube in a tubeless tire.

Plug kits, patch kits, sealant and compressors explained — what to keep in the car and how to fix a puncture safely.

What all-season tires do well, where they compromise, how they differ from all-weather and winter tires, and who should buy them.

Why tractors, implements and trailers still use inner tubes, how to choose them and where the market is heading.

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Industrial inner tubes are an integral part of a wide array of equipment used in transportation, construction, agriculture, and other sectors. Their role in providing cushioning, m