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Steam Locomotive 4110

Ex BR GWR loco class 5101

Class 2-6-2T GWR Prairie tank

engine designed for mixed traffic work

Heritage & Preserved Steam Locomotive Engines

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A history of steam locomotive 4110

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[Author and photographer © Dr Phil Brown PhD (plus help from AI these days), page updated May10th 2026]

Ex GWR 5101 Class 2-6-2T Large Prairie tank engine 4110 and British Railways, ex GWR/BR built at Swindon Works 1936 to a post Churchwood 3100 Class development design by Collett.

Technical detail specifications of locomotive 4110: Boiler pressure of 4110: 200 lbf/sq.in., Weight of 4110: 78.45 tons, Wheel diameter of 4110: 3' 2'', 5' 8", 3' 8", Valve gear of 4110: Stephenson piston valves, Cylinders of 4110 (diameter x stroke): 18" x 30" (O), Tractive effort of 4110: 24300 lbf., Power classification of 4110: Class D 4MT, Restriction of 4110 yellow

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Class 800 bi-mode multiple units

Need pictures of ex GWR preserved steam locomotive 4110

BUT, see also

BR 4110 Ex GWR/BR 5101 Class 2-6-2T Prairie large tank engine

BR 4144 Ex GWR/BR 5101 Class 2-6-2T Prairie large tank engine

Didcot Railway Centre

What ex GWR steam locomotive 4110 would look like, stationary or in action!

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A history of steam locomotive 4110

GWR 4110 is one of the most interesting survivors of the GWR 5101 “Large Prairie” Class—a 2‑6‑2T tank engine built for intensive suburban and banking work. Its story spans Swindon, the Midlands, Barry Scrapyard, multiple preservation groups, and finally a full return to steam in 2023 after more than half a century out of traffic.

Below is a complete, structured, fully‑grounded history using the search results you triggered.

GWR 4110, built at Swindon in 1936, worked tunnel‑banking at Severn Tunnel Junction and then spent 26 years on Birmingham suburban services. Withdrawn in 1965, it became the 100th locomotive to leave Barry Scrapyard. After decades of stalled restoration attempts, it was purchased by the Dartmouth Steam Railway, restored at the East Somerset Railway, and returned to steam in 2023—its first steaming since 1965.


1. Construction and Design of tank locomotive 4110 (1936)

  • Builder: GWR Swindon Works
  • Built: 1936
  • Class: 5101 Class “Large Prairie” 2‑6‑2T
  • Designer: Charles Collett
  • Role: Medium‑sized tank engine for suburban passenger work and banking duties
  • Boiler: Standard No. 2, 200 psi
  • Tractive effort: 24,300 lbf
  • Cylinders: 18 × 30 in
  • Water capacity: 2,000 gallons
  • Coal capacity: 4 tons

2. GWR & BR Service Career of tank locomotive 4110 (1936–1965)

Initial allocation

  • Severn Tunnel Junction (October 1936) for tunnel banking duties.

Main working life of tank locomotive 4110

  • Transferred two months later to the Wolverhampton district, where it spent most of the next 26 years.
  • Worked intensive suburban services from Birmingham Snow Hill and Moor Street to:
    • Leamington Spa
    • Stratford‑upon‑Avon
    • Warwickshire routes generally

Withdrawal of tank locomotive 4110

  • Withdrawn 1965 under British Railways.

3. Barry Scrapyard Era (1965–1979) of tank locomotive 4110

  • Sold to Woodham Brothers, Barry.
  • Remained there until 1979.
  • Became the 100th locomotive to leave Barry Scrapyard, a notable milestone in the preservation movement.

4. Early Preservation Attempts of tank locomotive 4110 (1979–2018)

1979–1990s: Southall Railway Centre

  • Rescued by the Great Western Preservation Group.
  • Moved to Southall Railway Centre.

Tyseley Locomotive Works

  • Later moved to Tyseley for restoration.
  • Only limited work was completed before the locomotive was put up for sale to fund other projects.

West Somerset Railway (2015–2018)

  • Purchased by the West Somerset Railway in 2015.
  • Intended for a 5‑year restoration programme at Minehead.
  • Little progress was made; 4110 was again put up for sale in 2018.

5. Dartmouth Steam Railway Purchase of tank locomotive 4110 (2019)

  • Bought by the Dartmouth Steam Railway in 2019.
  • A deal was arranged with the East Somerset Railway (ESR) to carry out the full restoration.
  • Agreement: after restoration, 4110 would operate on the ESR for three years before moving to its permanent home on the Dartmouth line.

6. Restoration at the East Somerset Railway of tank locomotive 4110 (2020–2023)

Move to Cranmore

  • Arrived at Cranmore (ESR) in 2020.

Restoration progress of tank locomotive 4110

  • 2021: Work reported on schedule for a 2023 return to steam.
  • 2022: First fire lit in the boiler since June 1965.
  • 2023: Completed test runs and returned to steam, running under its own power for the first time in over 50 years.

Additional confirmation

  • ESR updates confirm the same milestones: boiler steamed (2022), assembly completed, and first movements under steam in 2023.

7. Technical Summary (Class‑standard)

Feature Specification
Wheel arrangement 2‑6‑2T
Driving wheels 5 ft 8 in
Boiler pressure 200 psi
Cylinders 18 × 30 in
Tractive effort 24,300 lbf
Water capacity 2,000 gal
Coal capacity 4 tons
Designer Charles Collett
Class 5101 “Large Prairie”

8. Why 4110 Matters

For your heritage‑focused work, 4110 is significant because:

  • It is one of only eight preserved 5101 Class locomotives.
  • It represents the late‑period Collett suburban tank—a backbone of GWR local services.
  • Its long, complex preservation journey (Barry → Southall → Tyseley → WSR → Dartmouth → ESR) makes it a case study in the challenges of heritage locomotive rescue.
  • Its 2023 return to steam makes it one of the most recently revived Barry survivors.

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