Iranian State Railways steam locomotives

Class	Axle arr- angement	Dr. Dia.	Cylinders Diameter x Stroke	B.P.	Ad. Wt.	EW WO	Grate Area	Evap Surf.	Sup. Surf.	Remarks
30.0	Ct	950	350x500	13	30	30	1.1	58	none
30.1	C	1270	435x610	10	33	33	1.4	82	none
30.2	Ct	1100	380x550	13	34	34	1.3	65	none
31.0	1'C	1350	500x600	14	45	56	2.6	118	38
31.2	1'C	1170	405x560	12.3	34	41	1.6	94	none
33.30	1'C2't	1560	485x660	12.7	51	91	3.0	168	none	KCR 3
34.60	2'C2't	1560	560x710	12.7	60	106	3.2	229	none	KCR 9
41.0	1'D	1220	510x660	12.3	57	67	3.2	167	30
41.1	1'D	1450	560x720	15	68	81	3.9	185	65
41.10	1'D	1435	470x710	15.8	64	73	2.7	153	23	LMS 8F coal
41.15	1'D	1435	470x710	15.8	64	73	2.7	153	23	LMS 8F oil
42.0	1'D1'	1350	500x660(3)	12.5	64	86	4.2	165	51
42.40	1'D1'	1520	535x710	14	65	89	4.3	201	58	USATC S200
51.0	1'E	1450	630x720	15	89	99	4.5	213	78
52.0	1'E1'	1370	560x710	14.8	75	102	5.0	217	70	Ex 52.50
52.1	1'E1'	1295	605x660	14	82	109	6.1	254	81
80.1	E	1260	590(1)/850(1)x630	14	69	69	3.4	135	34	KköStB 80
86.0	2'D1'-1'D2't	1350	490x660(4)	14	118	201	6.3	336	81	Garratt