Last reviewed: 6 July 2026
Track Width (axles 1–3)
What goes in box 27
Box 27 of the DVLA V55/5 form is for track width (axles 1–3). It collects 6 entries on the form: track width axle 1 – min (mm), track width axle 1 – max (mm), track width axle 2 – min (mm), track width axle 2 – max (mm), track width axle 3 – min (mm) and track width axle 3 – max (mm).
Take this information from the Certificate of Conformity or the IVA or GB conversion certificate. If a single value is given, enter it as both min and max.
What to enter
| Field | Type | Required? |
|---|---|---|
Track Width Axle 1 – Min (mm) Take this information from the Certificate of Conformity or the IVA or GB conversion certificate. If a single value is given, enter it as both min and max. | number | Optional |
Track Width Axle 1 – Max (mm) Maximum track width for axle 1. | number | Optional |
Track Width Axle 2 – Min (mm) Minimum track width for axle 2. | number | Optional |
Track Width Axle 2 – Max (mm) Maximum track width for axle 2. | number | Optional |
Track Width Axle 3 – Min (mm) Minimum track width for axle 3. | number | Optional |
Track Width Axle 3 – Max (mm) Maximum track width for axle 3. | number | Optional |
Source
This page is generated from the same field definitions our V55/5 tool validates against, mapped to the official DVLA guidance.
V355/5 official guidance (GOV.UK)v55-5.com is an independent service and is not affiliated with the DVLA.
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