Class 64

The Class 64 is the Reichsbahn's standard tank engine for passenger trains: 520 machines, 1-3-1 wheel arrangement, nicknamed Bubikopf. Here's how to recognise it reliably.

Also known as: BR 64 · Baureihe 64 · Bubikopf · Standard tank engine for passenger trains

GermanyGermanySteam & special traction8 min readUpdated: August 2026

520

locomotives built

1-3-1

wheel arrangement

90 km/h

maximum speed

1928–1940

years built

Key takeaways

  • The 64 is the DRG's standard passenger tank locomotive: 520 machines, built 1928 to 1940, rated for 90 km/h.
  • Fastest way to identify it: no separate tender, 1-3-1 wheel arrangement, number starting with 64.
  • The number range 60 to 79 stood for passenger tank locomotives under the Reichsbahn – the 64 sits right in the middle of it.
  • Nickname Bubikopf: it comes from the locomotive's compact, rounded appearance and is still in common use today.
  • No scheduled service: the class now runs only at heritage railways, with societies, and on special trains.
Contents
  1. 1.What is the Class 64?
  2. 2.What the number 64 means in the Reichsbahn scheme
  3. 3.How to identify a Class 64
  4. 4.Context in railway operation: why tank locomotives for passenger services
  5. 5.Spotting: how you realistically find a 64
  6. 6.Common mix-ups
  7. 7.Conclusion

Fact file

Vehicle typePassenger tank locomotive (standard locomotive of the DRG)
Wheel arrangement1-3-1 – one carrying axle each at front and rear, three coupled axles in between
Years built1928 to 1940
Numbers built520 locomotives (64 001 to 64 520)
Maximum speed90 km/h
TypeTwo-cylinder superheated tank locomotive
NicknameBubikopf (bob-cut hairstyle)
Operating statusNo longer in scheduled service; surviving locomotives run in heritage and society service

Identifying features

Is this really the class in front of you?

Tick off everything that applies to the vehicle you are looking at.

  • Tank locomotive with no separate tender – coal and water sit in tanks on the locomotive itself
  • Wheel arrangement 1-3-1: one smaller carrying axle each at front and rear, with three coupled driving axles in between
  • Short, compact body with a clearly visible water tank on each side of the boiler
  • Typical styling of the DRG standard locomotives: plain lines, round boiler, clean edges
  • Running number starts with 64 and falls between 001 and 520
  • Found at heritage railways and special trains, not in scheduled service

Updated: August 2026 – Compact, rounded, with no separate tender: the Class 64 is one of the best-known German steam locomotives and still carries its nickname Bubikopf today. 520 machines were built between 1928 and 1940 as the Reichsbahn’s standard tank locomotive for passenger services. It’s long gone from scheduled service – but in heritage operation it’s a realistic target.

Spotted a Bubikopf? Note the number.

Between 64 001 and 64 520 the number makes the difference – with Traintrack the sighting is logged in seconds.

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What is the Class 64?

The Class 64 is a passenger tank locomotive from the standard-locomotive programme of the Deutsche Reichsbahn. Between 1928 and 1940, 520 machines were built with the numbers 64 001 to 64 520. They have the 1-3-1 wheel arrangement, are rated for 90 km/h, and were intended for passenger trains on branch lines and shorter main lines.

The standard-locomotive programme pursued a clear goal: standardised components across many classes, to simplify procurement and maintenance. The 64 accordingly has a tender-locomotive sister – the Class 24 – with which it shares major components. Today the Class 64 no longer runs in scheduled service; surviving locomotives belong to museums and societies such as the Dampfbahn Fränkische Schweiz.

What the number 64 means in the Reichsbahn scheme

The class number of a German steam locomotive tells you about its intended use and layout. Anyone who knows the number range knows immediately what kind of vehicle they’re dealing with – even before checking a single technical detail.

Number range Intended use Tender layout Example
01–19 Express train Tender locomotive Class 01
20–39 Passenger train Tender locomotive Class 24
40–59 Freight train Tender locomotive Class 50
60–79 Passenger train Tank locomotive Class 64, Class 78
80–96 Freight and shunting service Tank locomotive Class 80, Class 81

The 64 therefore sits squarely in the passenger tank-locomotive range. The faster, considerably larger member of the same group is the Class 78 with the Prussian T 18; the later new-build answer to the same task is the Class 65.10. For a comparison with an express locomotive, it’s worth looking at the Class 01 – there you can see just how much wheel arrangement and wheel diameter differ depending on the task.

How to identify a Class 64

Quick identification: steam locomotive in passenger service

Three observations, one assessment. The running number remains the final word.

Likely

Class 64

Tank locomotive, three coupled axles, one carrying axle each at front and rear: that's the 1-3-1 wheel arrangement and the typical look of the 64. Check the number to confirm.

Likely

A larger tank locomotive

More coupled axles or two-axle carrying bogies point to larger classes such as the Class 78 or the Class 65.10.

Likely

Not a Class 64

A separate tender or only two coupled axles rule out the 64. Tender locomotives or smaller tank locomotives are the candidates here.

The general method behind decision trees like this is explained in the guide to identifying locomotive classes – it works just as well for steam locomotives as for modern traction units.

Tender layout first, then axles

Whether a steam locomotive carries a separate tender is visible even from a distance and in poor light. That one question alone halves the number of candidate classes – only after that is it worth counting axles.

Context in railway operation: why tank locomotives for passenger services

A tank locomotive carries coal and water in tanks on the locomotive itself. That costs range, but brings a major operational advantage: the machine runs equally well in both directions and doesn’t need to be turned at the terminus. That’s exactly what was needed on branch lines with short turnaround diagrams and no turntable.

The symmetrical 1-3-1 wheel arrangement of the Class 64 underlines this concept: the carrying axles at front and rear guide the locomotive cleanly on the track in both directions of travel. For photographers, this means that in heritage operation the locomotive often runs cab-first on the return trip – a view many find less attractive, but one that’s entirely normal operationally. Anyone wanting the classic view with the chimney leading should check beforehand which direction the train will be running under steam.

How to turn that into a good photo – viewpoint, direction of light, exhaust plume, timing – is explained in detail in the guide how to photograph steam trains.

Which steam locomotives are out and about right now?

Community sightings show you current movements of historic vehicles – ideal for planning your trip.

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Spotting: how you realistically find a 64

The Class 64 is one of the more commonly preserved German steam locomotives – which makes it one of the more rewarding targets if you’re after a specific class. Even so: there’s no timetable. The route runs through institutions and dates – for instance the DGEG heritage railways, which include the Kuckucksbähnel in the Palatinate.

Start with heritage railways that run regular steam services. Many of them operate on fixed weekends of a season and publish their vehicle rosters in advance, such as the Angelner Dampfeisenbahn in Schleswig-Holstein. Then check society websites: that’s where you find out whether a machine is currently in overhaul or back under steam. Finally, event calendars are worth it – at steam festivals and anniversaries, several machines often come together in one place.

Specific search routes are described in the guide to finding special trains and charter services. If you’re interested in the structures behind all this – who actually operates these locomotives and how to get involved – the article on railway societies gives you a good overview.

House rules and track areas

On heritage-railway premises and at events, the operator's house rules apply. Barriers, marked paths and staff instructions are binding. Tracks, engine sheds, turntables and stabling areas are operational railway land and are not entered – not even for a better photo.

Common mix-ups

It points to the Class 64 if …

  • the locomotive carries no separate tender
  • you count three coupled axles
  • there's one single carrying axle each at front and rear
  • the number starts with 64 and is below 521

Look more closely if …

  • the locomotive is in a shed and the running gear is hidden
  • you only see it head-on and can't count the axles
  • it's running in a historicised livery

It's not a 64 if …

  • a separate tender is coupled behind it
  • you see two-axle carrying bogies at front or rear
  • there are four or more coupled axles

Conclusion

The Class 64 is the steam locomotive that best illustrates the standard-locomotive principle: standardised, unspectacular, built for a clearly defined task – and precisely for that reason built in large numbers. You can recognise it by three features: no separate tender, three coupled axles, one carrying axle each at front and rear. You’ll only find it in heritage service, but more often than most other German steam locomotives.

In short

Tank locomotive, 1-3-1 wheel arrangement, number between 64 001 and 64 520: that's the Bubikopf. A historic vehicle you find via heritage railways and event calendars – and whose number you should note down every time.

Collect your Bubikopf sightings

From 64 001 to 64 520 – log which machine you saw, when and where, and see which ones you're still missing.

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Summary

  • The Class 64 was the Reichsbahn's standard tank locomotive for passenger services on branch lines and shorter main lines.
  • It belongs to the standard-locomotive programme and shares components with its tender-locomotive sister, the Class 24.
  • Recognition features are the tank-locomotive layout, the symmetrical 1-3-1 wheel arrangement, and the number from 64 001 upwards.
  • Today the 64 is one of the more commonly preserved German steam locomotives, making it a realistic target for heritage-railway visits.

Frequently asked questions

What is the Class 64?

The Class 64 is a passenger tank locomotive from the standard-locomotive programme of the Deutsche Reichsbahn. Between 1928 and 1940, 520 machines were built with the numbers 64 001 to 64 520. They have the 1-3-1 wheel arrangement and are rated for 90 km/h. There is no scheduled service today.

Why is the Class 64 called Bubikopf?

The nickname refers to the locomotive's compact, stocky appearance: a short boiler, rounded shapes, no long tender trailing behind. Unofficial names like this are common among German locomotive classes and often outlast the official designation – in the scene's everyday language, the Bubikopf is still current today.

What does the wheel arrangement 1-3-1 mean?

One carrying axle at the front, then three coupled driving axles, followed by another carrying axle at the rear. This symmetrical layout lets the locomotive run equally well in both directions – for a tank locomotive, a decisive advantage.

Why is a tank locomotive practical for passenger trains?

Because it can run in both directions without being turned. On branch lines with terminus stations and short turnaround diagrams, that saves time and infrastructure: no turntable, no shunting the tender round. The drawback is the limited coal and water supply and hence the shorter range.

What is the difference between the Class 64 and the Class 24?

The tank-locomotive layout. Both belong to the standard-locomotive programme and share major components, but the Class 24 is a tender locomotive with the 1-3 wheel arrangement, while the 64 is a tank locomotive with 1-3-1. In the field, the difference is visible at a glance.

Does the Class 64 still run today?

Not on a scheduled basis. Surviving machines belong to museums and societies and appear at heritage-railway operations, special trains and events. Which locomotive is currently operational depends on boiler certificates and overhauls and changes over the years – always check the current status with the operator.

Where are the chances of finding a 64 best?

At heritage railways with regular steam operation and at larger steam events. The class is one of the more commonly preserved German steam locomotives, which is why it turns up comparatively often in heritage service. Operating days are usually fixed months in advance.

How do I identify the exact locomotive?

By the full running number on the cab, smokebox door or buffer beam. It falls between 64 001 and 64 520. Note it down together with the date, location and occasion – for heritage locomotives, that exact combination is the genuinely valuable information.

Log your sighting of the Class 64

Date, location and vehicle number logged in seconds – and visible to the community.

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The rolling stock database is built from operational observation, community sightings and publicly available sources. Confirmed details are in the fact file; anything that can change is marked as such.

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