LS2 Tread Code
LS
Service category — which machineLog skidder
Forestry skidders, where the hazards are stumps and slash rather than rock. TRA tabulates them with agricultural tyres, not with off-the-road ones.
2
Tread type and depthIntermediate Tread
Between the standard and deep grades.
TKPH
What the code does not tell youNothing about load, or heat
A tread code says which machine and how much rubber. What the tyre can carry comes from its star rating, and whether it survives the haul comes from TKPH — the load and speed it can work at without overheating. A deep tread on a long, fast cycle is a tyre being cooked.
Standardised by ETRTO or TRA.