Calculate a Tyre’s Load Rating

Agricultural tyre Load rating explained

What is the load rating of my tyre?

Use the table below to work out the load and speed rating of a tyre.

Load index: This is the maximum load that can be carried at the speed indicated by the speed symbol at nominal pressure.

Speed Symbol: This is the maximum speed at which a tyre can carry a load that matches the load index.

LoadLoadLoadLoadLoadLoadLoadLoadSpeedSpeed
IndexKgIndexKgIndexKgIndexKgSymbolKM/h
1251650139243015336501675450A15
1261700140250015437501685600A210
1271750141257515538751695800A315
1281800142265015640001706000A420
1291850143272515741251716150A525
1301900144280015842501726300A630
1311950145290015943751736500A735
1322000146300016045001746700A840
1332060147307516146251756900B50
1342120148315016247501767100C60
1352180149325016348751777300D65
1362240150335016450001787500E70
1372300151345016551501797750F80
1382360152355016653001808000G90
Load Rating Index Chart