BRDatabase

Locomotives
- Build Dates
- Withdrawals
- Names
- Snapshots
- ReClassifications
- Pilot Scheme
- Prototypes
- Preservation
  - Diesels
  - Electrics
  - Steam
Classes
- Steam
  - Standards
  - GWR
  - SR
  - LNER
  - LMS
  - ex WD
  - by Wheels
    - 2 Driver Tank Engines
      - 2-2-4T
    - 2 Driver Tender Engines
      - 2-2-2
    - 4 Coupled Tank Engines
      - 0-4-0T
      - 0-4-0ST
      - 0-4-2T
      - 0-4-2ST
      - 0-4-4T
      - 2-4-0T
      - 2-4-0WT
      - 2-4-2T
      - 4-4-0T
      - 4-4-2T
      - 4-4-4T
    - 4 Coupled Tender Engines
      - 0-4-0
      - 0-4-2
      - 0-4-4
      - 2-4-0
      - 2-4-2
      - 4-4-0
      - 4-4-2
      - 4-4-4
    - 6 Coupled Tank Engines
      - 0-6-0T
      - 0-6-0PT
      - 0-6-0ST
      - 0-6-2T
      - 0-6-2ST
      - 0-6-4T
      - 2-6-0T
      - 2-6-2T
      - 2-6-4T
      - 4-6-0T
      - 4-6-2T
      - 4-6-4T
    - 6 Coupled Tender Engines
      - 0-6-0
      - 0-6-2
      - 0-6-4
      - 2-6-0
      - 2-6-2
      - 2-6-4
      - 4-6-0
      - 4-6-2
      - 4-6-4
    - 8 Coupled Tank Engines
      - 0-8-0T
      - 0-8-2T
      - 0-8-4T
      - 2-8-0T
      - 2-8-2T
    - 8 Coupled Tender Engines
      - 0-8-0
      - 0-8-2
      - 0-8-4
      - 2-8-0
      - 2-8-2
    - 10 Coupled Tank Engines
      - 0-10-0T
    - 10 Coupled Tender Engines
      - 0-10-0
      - 2-10-0
    - Special
- Diesel
  - Shunters
  - Type 1
  - Type 2
  - Type 3
  - Type 4
  - Type 5
- Electric
Multiple Units
Sites
People
Companies
- British Railways
- GWR & Constituents
  - Taff Vale
  - Rhymney
  - Cambrian
  - Barry
  - Cardiff Railway
- SR & Constituents
  - LSWR
  - LBSCR
  - SECR
- LNER & Constituents
  - GER
  - GCR
  - GNR
  - MGNR
  - NER
  - NBR
  - GNSR
- ex LMS
  - MR
  - LNWR
  - LYR
  - LTSR
  - S&DJR
  - G&SWR
  - CR
  - HR
Timelines
Miscellaneous
On This Day ...

Quick Search

Enter locomotive number in the box below and press 'Go'!

In Touch

Donations

Counter

Visitor Statistics

» 43 Online
» 4233 Today
» 6883 Yesterday
» 4233 Week
» 51569 Month
» 2092473 Year
» 8628680 Total

Record: 71951 (21/04/2026)
(Free MySQL Counter)

GWR Dean "3521 4-4-0" Class 4-4-0

General

Designer

William Dean

Introduced

1899

Grouping Company

Great Western Railway

Wheel Arrangement

4-4-0

Number Built as 3521 4-4-0

Conversions from other classes

Manufacturers

Manufacturer	Total
Swindon Works	40

**Power**
	3521 4-4-0

**Wheels**
	3521 4-4-0

**Dimensions**
	3521 4-4-0

**Boiler & Firebox**
	3521 4-4-0

Complete BR Locomotive Database 1948-1997

Menu

Quick Search

In Touch

Donations

Counter

GWR Dean "3521 4-4-0" Class 4-4-0