Kumho KCA31
EU tyre label for every size: 4 sizes of this 3PMSF-marked tyre compared with the rest of the market
The Kumho KCA31 is a 3PMSF-marked tyre for trucks and buses. Its supplier has registered it in the EU product database (EPREL) in 4 sizes (5 registrations including load and speed variants), for 19.5″ to 22.5″ rims.
Wet grip is rated C in every size, fuel efficiency C and external rolling noise 71 dB. Every size carries the three-peak mountain snowflake (3PMSF), the mark for tyres tested in severe snow.
On the EU market since February 2024; the earliest production week registered is 03/2023.
How it compares in its sizes
We compared each size with all other winter and 3PMSF tyres of the same size and class in EPREL (4 sizes had at least four rivals). A size scores when its label is at least as good as 75% of them.
Strongest point: fuel efficiency. Weakest point: wet grip, where most same-size rivals do as well or better.
All 4 sizes
The small figure under each class is the share of same-size, same-season tyres this size matches or beats (“–” when fewer than five tyres share the size).
| Size | Load / speed | Wet | Fuel | Noise | Snow / ice | Production from |
|---|---|---|---|---|---|---|
| 19.5″ rims | ||||||
| 265/70 R19.5C3 | 143/141K | C54% | C99% | 71 dBA85% | 3PMSF | 02/2026 |
| 22.5″ rims | ||||||
| 275/70 R22.5C3 | 152/149J · 152/149J (149E) | C49% | C93% | 71 dBA83% | 3PMSF | 03/2023 |
| 305/70 R22.5C3 | 156/154J | C64% | C95% | 71 dBA69% | 3PMSF | 05/2026 |
| 315/60 R22.5C3 | 156/150J | C51% | C79% | 71 dBA88% | 3PMSF | 05/2026 |
Questions
Is the Kumho KCA31 a quiet tyre?
Its declared rolling noise is 71 dB in every size. In 75% of the sizes we could compare, it is at least as quiet as three quarters of same-size rivals.
How good is the Kumho KCA31 in the wet?
Its wet grip class is C. In 0% of compared sizes that is at least as good as three quarters of same-size rivals.
Is the Kumho KCA31 suitable for snow?
5 of 5 registrations carry the 3PMSF symbol, which means the tyre passed the EU severe-snow test. Check the exact size in the table.
When was the Kumho KCA31 launched?
It has been on the EU market since February 2024. The earliest production week in its registrations is 03/2023; the DOT code on the sidewall shows the week and year of your tyre.
More from Kumho
Source: EPREL, the European Commission’s product registry for energy labelling — 5 registrations, data as of 25 October 2026. Suppliers have updated 1 of these registrations since first publication. Label values are the supplier’s declaration.