Size/type: pre-2018 MOT
This is pre-2018 MOT wording. The defect categories changed on 20 May 2018.
Now called Size/type.
9 pre-2018 fail items.
| Old wording | Inspection manual | Now |
|---|---|---|
| Size/type is inadequate for the vehicles maximum permitted laden weight due to an incorrect load index | a tyre that has a load index (or ply rating and tyre size) that is inadequate for the permitted maximum laden weight of the axle to which it is fitted. | Size/type with different structures are fitted across the same axle (major) |
| Size/type incorrect because tyres fitted to all steerable axle are not of the same structure | a tyre of a different type of structure is fitted to a steerable axle from that fitted to another steerable axle. | Size/type with different structures are fitted across the same axle (major) |
| Size/type incorrect because a tyre fitted to a non-steerable driven axle is of a different type of structure from that fitted to another non-steerable driven axle | in the case of non-steerable axles a tyre fitted to a driven axle is of a different type of structure from that fitted to another driven axle | Size/type with different structures are fitted across the same axle (major) |
| Size/type incorrect because different size tyres are fitted on the same axle. | One tyre is of a different nominal size or aspect ratio to any other on the same axle. | Size/type with different aspect ratios are fitted on the same axle. (major) |
| Size/type incorrect because tyres with different aspect ratios are fitted on the same axle. | One tyre is of a different nominal size or aspect ratio to any other on the same axle. | Size/type with different aspect ratios are fitted on the same axle. (major) |
| Size/type incorrect because tyres with different structures are fitted across the same axle | one tyre is of a different type of structure from another tyre on the same axle | Size/type with different structures are fitted across the same axle (major) |
| Size/type incorrect because cross-ply or bias-belted tyres are fitted on the rear axle and radial-ply tyres are fitted on the front axle. | a 3- or 4-wheeled vehicle fitted with single wheels and a cross-ply or bias-belted tyre fitted on the rear axle and radial-ply tyre on the front axle. | Size/type of different sizes are fitted on the same axle. (major) |
| Size/type incorrect because cross-ply tyres are fitted on a rear axle and a bias-belted tyres are fitted on the front axle. | a 3- or 4-wheeled vehicle fitted with single wheels and a cross-ply tyre fitted on the rear axle and a bias-belted tyre on the front axle. | Size/type of different sizes are fitted on the same axle. (major) |
| Size/type incorrect because a lightweight or space saving wheel is fitted | a â¢temporary use or â¢space-saver wheel and tyre fitted as a road wheel | Size/type of different size tyres are fitted on twin wheels (major) |
Current names are the closest match by wording and part. The DVSA publishes no official old-to-new table.
Other pre-2018 parts in Tyres
Dabers ANPR shows the full MOT history, defects included, for the car in any photo. How it works
Add to ChromeContains public sector information from the DVSA licensed under the Open Government Licence v3.0.