Introduced 1906. Churchwood GWR design, developed from the original 3100 Class, which were rebuilt as Class 5100, but fitted with larger boiler. All subsequently superheated. Five locos, Nos 3173/56/81/55/79 respectively were later rebuilt by Collett as the new Class 3100 with higher boiler pressure and smaller driving wheels. The first withdrawals 3152/62/66 were made in January 1947 and the last loco, 3190 was withdrawn in March 1958. None are preserved.

Number Series 3150-3190.

Built at Great Western Railway Swindon Works.

3150 Lot No. 159 1906
3151-3170 Lot No. 169 1907
3171-3184 Lot No. 172 1907
3185-3190 Lot No. 172 1908

---

Unless stated otherwise, Photographs in this section are © copyright of Milburn Associates.

---

[JPEG Image of 3152 size 23K]

GWR 3150 Class - 3152 at Swindon - Photo BR(WR).

---

Motive Power Details - GWR 3150 Class

Data taken from the PC TOPS Steam Locomotive Database System by Milburn Associates

Class  Region  Wheels       Class Name            Designer
3150    GWR    2-6-2T                             Churchwood

Weight:
Loco  81 tons 12 cwt            Driving Wheel: 5' 8"
                                Boil Press: 200lb/sq in Su
Cylinders:                      Valve Gear: Stephenson (piston valves)
Two 18" x 30" (outside)         TE: 25,670 lb