Steam Loco Class Information

Class Details

Introduced 1934. Stanier taper boilered development of "Patriot" Class. 5XP.
(a) Rebuilt 1942 with large taper boiler and double chimney. 6P.
45742 fitted with double chimney from 1940-1957.
45596 fitted with double chimney in 1961.

Weight:
Loco 79 tons 11 cwt Driving Wheel: 6' 9"
82 tons 0 cwt (a) Boil Press: 225lb/sq in Su
250lb/sq in Su (a)
Cylinders: Three Valve Gear: Walschaerts (piston valves)
17" x 26" TE: 26,610 lb; 29,570 lb (a)

Total Locos for Class - 191

45552
45553
45554
45555
45556
45557
45558
45559
45560
45561
45562
45563
45564
45565
45566
45567
45568
45569
45570
45571

45572
45573
45574
45575
45576
45577
45578
45579
45580
45581
45582
45583
45584
45585
45586
45587
45588
45589
45590
45591

45592
45593
45594
45595
45596
45597
45598
45599
45600
45601
45602
45603
45604
45605
45606
45607
45608
45609
45610
45611

45612
45613
45614
45615
45616
45617
45618
45619
45620
45621
45622
45623
45624
45625
45626
45627
45628
45629
45630
45631

45632
45633
45634
45635
45636
45637
45638
45639
45640
45641
45642
45643
45644
45645
45646
45647
45648
45649
45650
45651

45652
45653
45654
45655
45656
45657
45658
45659
45660
45661
45662
45663
45664
45665
45666
45667
45668
45669
45670
45671

45672
45673
45674
45675
45676
45677
45678
45679
45680
45681
45682
45683
45684
45685
45686
45687
45688
45689
45690
45691

45692
45693
45694
45695
45696
45697
45698
45699
45700
45701
45702
45703
45704
45705
45706
45707
45708
45709
45710
45711

45712
45713
45714
45715
45716
45717
45718
45719
45720
45721
45722
45723
45724
45725
45726
45727
45728
45729
45730
45731

45732
45733
45734
45735 a
45736 a
45737
45738
45739
45740
45741
45742