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#3594

British Rail Class 35

🇬🇧 United Kingdom ·built by Beyer, Peacock and Company· from 1961· class of 101 B′B′ 1700hp diesel-hydraulic locomotives

🛤️ diesel locomotive diesel preserved
10 photos from Wikimedia Commons · credits & licences
  1. 1. WSR 7017 79-08: D.A.Hurrell· CC BY 2.5
  2. 2. D7030: Murgatroyd49· CC BY-SA 4.0
  3. 3. D7003 (8237756335): Hugh Llewelyn· CC BY-SA 2.0
  4. 4. D7017 at Old Oak Common: Paul Miller· Attribution
  5. 5. Class 35 Hymek D7023 & Class 47 Brush Type 4 D1735 Bath Rd mpd, Bristol 1965 (9922358176): Gillett's Crossing from Bristol, United Kingdom· CC BY 2.0
  6. 6. Beyer Peacock Type 3 D7025 (8261458531): Hugh Llewelyn· CC BY-SA 2.0
  7. 7. Dunster West Crossing 7017: Geof Sheppard· CC BY-SA 4.0
  8. 8. Class 35s at Cransley: Paul Miller· Attribution
  9. 9. D7022 and D7093 at Cransley: Paul Miller· Attribution
  10. 10. D7089 at Laira: Paul Miller· Attribution
Read about it on Wikipedia ↗
British Rail Class 35, photo 1 of 10
1/10 D.A.Hurrell· CC BY 2.5

what is it?

The British Rail Class 35 is a class of mixed-traffic B-B diesel locomotive with hydraulic transmission. Because of their Mekydro-design hydraulic transmission units, the locomotives became known as the Hymeks. They were numbered D7000-D7100.

who runs it

British RailWestern Region of British Railways

base stats

  • speed 145 km/htop speed
  • power 1.3 MWpower output
  • built 101made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 65 years ago, in 1961.
  • Top speed is 1.1× a car on the Dutch motorway (130 km/h).
  • 1.3 MW is about 15 family cars (~85 kW each) flat out.
  • 15.5 m long: about 3 cars parked nose to tail.
  • Served for 14 years (1961–1975).

diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).

spec sheet

built
1961–1964
in service from
1961
retired
1975
status
preserved
number built
101
kind
Diesel-hydraulic
traction
diesel
origin
🇬🇧 United Kingdom
builders
Beyer, Peacock and Company
operators
British Rail, Western Region of British Railways
top speed
145 km/h
power
1.3 MW
gauge
1,435 mm standard gauge
wheel arrangement
B'B'
length
15.5 m
nicknames
Hymek

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q4970775, Wikipedia: British Rail Class 35 (CC BY-SA 4.0).Updated 2026-10-25.

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