Six preserved Deltic diesel locomotives in blue and two-tone green liveries lined up nose-first around the turntable at Barrow Hill roundhouse.
Photo: Kevin Hutchinson (Flickr) · CC BY 2.0
Railway Events · 14 dated · verified weekly

Diesel Galas, Depot Open Days and Freight Events

Next up: Industrial Diesel Weekend at the Wensleydale Railway — Sat 29 – Sun 30 Aug 2026, North Yorkshire.

Diesel galas do for growlers what steam galas do for kettles: intensive timetables, visiting locomotives and a day rover to ride behind the lot. Enthusiasts search by class, so listings here name them. If you want a Class 37 at full chat, a Deltic on the last train of the day or a Western on a summer evening, you can find where they are running. The Severn Valley's diesel festival in May and the Swanage gala are the reliable big ones.

This page also covers depot open days and freight events, because that is where the working railway meets the preserved one. Depot open days are rare, announced late and sell out fast, with cab visits and lines of locomotives you cannot normally get near. Freight-themed events at heritage lines add demonstration goods workings and the occasional main-line visitor.

Everything here is checked weekly. Depot events in particular appear and vanish quickly, so the Thursday Runsheet email is the safest way to catch one before tickets go.

August 2026

September 2026

October 2026

November 2026

Awaiting dates

These run most years but the next date is not announced yet. We check weekly and date them the moment organisers confirm. Get the weekly email and you will not miss it.

More railway events: Steam Galas · Santa Special Trains · Mainline Steam & Railtours · 1940s Weekends · Family & Themed Events · all railway events

Diesel Galas & Depot Days: your questions answered

What is a diesel gala?

The diesel equivalent of a steam gala: a heritage railway running an intensive timetable with its own and visiting diesel locomotives, usually over two or three days. A day rover covers unlimited travel, and the event poster will tell you which classes are booked.

Which locomotive classes turn up most?

Class 37s, 47s and 20s are the workhorses of preservation and appear everywhere. Deltics, Class 50s and the diesel-hydraulic Westerns are the crowd-pullers, and any gala that has booked one says so loudly on the poster.

What is a depot open day?

A working depot opening its gates to the public for a day, usually for an anniversary or charity. They happen a handful of times a year at most, are announced with little notice and sell out quickly, which is exactly why we re-check listings weekly.

What does thrash mean?

Enthusiast slang for a locomotive working hard, ideally loud, uphill and heard from the front coach with the window down. Diesel galas are largely organised around producing it.

Are diesel galas family friendly?

Yes, with ear defenders a genuinely good idea for small children near the front coach. The format is the same as a steam gala, day rover, cafe, hop on and off where you like, just louder.

Never miss one

Diesel Galas & Depot Days near you, weekly

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