'3800' Class details:
The last of this class was withdrawn in 1933.
Location; G.W.R. lines, Shrewsbury-Hereford LNWR joint line and similar cross-country services.
Origin; G.W.R. Introduced; 1904. Designer; George Churchward.
Driving Wheel; 6 ft. 8.5 in. Bogie wheel; 3 ft. 2 in.
Weight; 102 tons. Length; 57 ft. 2 in.
Boiler Pressure; 200 lbs. sq. in. Cylinders [2]; 18 in. x 30 in. Tractive Effort; 17,850 lb.
Coal; 4 tons. Water; 3,500 gals
Classification; G.W.R. Power class; A. [B.R. 2P/3P]

Notes: Built in 1904 (3800, 3831-3839), 1906 (3801-3820) and 1911/2 (3821-3830), these locomotives were in some respects short wheelbase versions of the 4-6-0 'Saint' class. On some lines they were used to overcome LNWR objections to locomotives larger than 4-4-0 wheel arrangement. They produced a lot of power with a short wheelbase and balancing and rough riding was never fully resolved, and with 2-6-0 43XX class engines assuming many roles in secondary train-working they were withdrawn from 1930-on. Nevertheless an attractive example of Swindon design and early standardization of parts. The first two batches of 1904 and 1906 were first built with square frame ends whereas the last batch were fitted with curved framing. As with most other GWR engines, superheating was added from 1909 and top feed from 1911.

'2301' Class details:
BR Nos; Pre-BR 2301-2580, the last, No.2538 was withdrawn in 1957.
Location; Former G.W.R. lines, freight and general purpose.
Origin; G.W.R. Introduced; 1883. Designer; William Dean.
Driving Wheel; 5 ft. 2 in.
Weight; Engine only, 37 tons 15 cwt. With tender, 74 tons 10 cwt. Length; 53 ft 6 in.
Boiler Pressure; 180 lbs. sq. in. Cylinders [2]; 17 in x 24 in. Tractive Effort; 18,500 lb.
Coal; 4 tons. Water; 3,500 gals
Classification; 2-F.

Notes: Ubiquitous C19th Swindon design with wide route availability, 280 of these locomotives were built from 1883-1899. Outside frames derive from G.W.R.-Gooch broad-gauge era, few broad-gauge engines being constructed after 1882. Changes through period to frames, reversing gear, tenders and details. No. 2516 (built 1897), survived into preservation. Very long-lived and useful, some worked until the mid-1950s, some survived overseas service in both World Wars.