To increase the power of a locomotive at high speed, the aerodynamic shroud has been used by many railroads. Some were complete shroudings with highly reduced aerodynamic drag while others were merely cosmetic gadgets to improve the look of the steam locomotive.

 

Algeria Australia Belgium Canada China Czechovslovakia France

Germany Hungary India Italy Japan Manchuko Netherlands

New Zealand Poland Spain UK USA USSR Yugoslavia

 

	Class	Wheel Arrangement	km/h	hpi	Year
Algeria: Paris-Lyon-Méditerranée Algerie
	231-132BT	(2'C1')(1'C2') h4t	131 km/h	3000 hp	1934
Argentinia
	La Argentina	2'D h4v	105 km/h		1949
Australia: New South Wales Government Railways (NSWGR)
	C38	2'C1' h2			1943
Australia: South Australian Railways(SAR)
	520	2'D2' h2	113 km/h		1943
	620	2'C1' h2			1936
Australia: Victorian Government Railways(VGR)
	S *	2'C1' h3	140 km/h		1936
Belgium: SNCB
	1	2'C1' h4	140 km/h		1935
	12	2'B1' h2	165 km/h		1939
Canada: Canadian National Railways
	U-4a	2'D2' h2	145 km/h		1936
Canada: Canadian Pacific Railways
	F-1a	2'B2' h2			1938
	F-2a	2'B2' h2	180 km/h		1936
	H-1c	2'C2' h2			1937
	H-1d	2'C2' h2			1938
	H-1e	2'C2' h2			1940
	T-1b	1'E2' h2			1938
Canada: Temiskaming & Northern Ontario
	700	2'C1' h2
China
	SL-7 ex manchu. Pashi-7	2'C1' h2	140 km/h		1934
	SL-8 ex manchu. Pashi-8	2'C1'
Czechoslovakia
	386*	2'C1'			1937
France: ETAT
	230.590 DD	2'C	150 km/h
	230.788	2'C h4v
	231C71	2'C1'
France: Nord
	3.1280 -> 231C78	2'C1'			1937*
France: Paris-Lyon-Méditerranée (PLM)
	221B	2'B1' h4v	156 km/h	1250 hp	1934*
	241A	2'D1' h4v	110 km/h	2800 hp
France: Paris-Orléans (PO)
	3700 #3726 -> 231.726	2'C1' h4v			1937*
France: SNCF
	230E	2'C h4	120 km/h	1800 hp	1938*
	230K	2'C h4v	145 km/h		1947*
	231D761	2'C1'			1937
	232P	2'Co2' h18	140 km/h		1943
	232Q	2'Co2' hTurb	150 km/h	2990 hp	1940
	232R	2'C2' h3			1940
	232S	2'C2' h4v			1940
	232U	2'C2' h4v	140 km/h		1949
France: Ouest
	Fusée	Do'Do' n2vt	108 km/h		1893
	8001	Do'Do' n6vt	120 km/h	1350 hp	1897
Germany: K.B.St.B.
	S 2/6	2'B2' h4v	154 km/h		1906
Germany: KPEV
	S9 (Wittfeld)	2'B2' n3v	137 km/h	1400 hp	1904
	T16	2'C2' h4vt	100 km/h	2100 hp	1904
Germany: DRG
	0110	2'C1' h3	140 km/h	2120 hp	1937
	03 154	2'C1' h2	140 km/h		3.1934
	03 193	2'C1' h2	140 km/h		1935
	0310	2'C1' h3	140 km/h	1790 hp	1939
	05	2'C2' h3	175 km/h (200 km/h)	2360 hp	3.1935
	05 003	2'C2' h3	175 km/h	2400 hp	1937
	06	2'D2' h3	140 km/h	2800 hp	1936
	T09	1'D2' hTurb	175 km/h	3160 hp	(1943)
	186 ex PKP PM36	2'C1' h2	140 km/h	1800 hp	1937
	1910	1'Do1' h8	175 km/h (186 km/h)	1700 hp	1942
	61 001	2'C2' h2t	175 km/h (186 km/h)	1450 hp	1935
	61 002	2'C3' h3t	175 km/h	1450 hp	1939
Germany: LBE
	#1,2,3 -> DRG 60	1'B1' h2t	120 km/h		1936
	#71 -> DRG 7710 *	1'Co2' h6t	120 km/h		----
	#137-142 -> DRG 74	1'C h2t	80 km/h		1936*
Germany: DB
	10	2'C1' h3	140 km/h	2500 hp	1957
Germany: DR
	18 201	2'C1' h3	160 km/h ()	1590 hp	1961 *
	18 314	2'C1' h4v	160 km/h	1950 hp	1960 *
Hungary: MAV
	242	2'B2' h2t	153 km/h	775 hp	1936
India: Indian Railways
	WP	2'C1' h2	100 km/h		1946
Italy: Ferrovie dello Stato italiane (FS)
	672	2'C h4v	110 km/h		1935
	A691	2'C1' h4	150 km/h	1750 hp	1939
	S685 -> 683	1'C1' h4	120 km/h		1940
	743	1'D h2			1940
Japan: JNR
	C53 43	2'C1' h3	95 km/h		1934
	C55	2'C1'	95 km/h		1934
Manchuria
	Pashi-7	2'C1' h2	140 km/h		1934
	Pashi-8	2'C1' h2
Netherlands
	3800 / PO3	2'C	125 km/h		1936
New Zealand: New Zealand Goverment Railways (NZGR)
	J	2'D1' h2
	Ka	2'D2' h2			1939
	Kb	2'D2' h2			1939
Poland: PKP
	Pm36	2'C1' h2	140 km/h	1800 hp	1937
	Pm3 (ex DRG 0310)	2'C1' h3
Spain: M.Z.A.
	1800	2'D1' h2	110 km/h		1939
UK: L.M.S.
	Coronation	2'C1' h4	183 km/h		1937
UK: L.N.E.R
	A-4	2'C1' h3	202 km/h		1935
	B-17/5	2'C h3			1937
	P-2	1'D1' h3			1934
	P-2/2	1'D1' h3			1936
	W-1	2'C1'1' h4v			1930
	W-1 mod.	2'C1'1' h3	140 km/h		1937
UK: Southern Railway
	Merchant Navy	2'C1' h3	153 km/h		1941
	West Country	2'C1' h3	160 km/h		1945
UK: G.W.R.
	Castle	2'C h4
	King	2'C h4
USA: Atchison, Topeka & Santa Fe
	3460	2'C2' h2	180 km/h		1937
USA: Baltimore & Ohio
	P-7a *	2'C1' h2			1937
	P-7d *	2'C1' h2			1946
USA: Chesapeake & Ohio
	L-1 *	2'C2' h2	161 km/h		1946
	M-1	2'(Co1)2'(Co1)Bo' hTurb	161 km/h	6000 hp	1947
USA: Chicago, Burlington & Quincy
	S-4A Aeolus *	2'C2' h2			1939 (1930)
USA: Chicago, Milwaukee, St. Paul & Pacific
	A	2'B1' h2	209 km/h *		1934
	F-1 *	2'C1' h2			1938
	F-7	2'C2' h2	+205 km/h		1938
	G-6PS *	2'C h2			1936
USA: Chicago & Northwestern Railroad
	E-4	2'C2' h2	206 km/h		1938
	ES *	2'C1' h2			(1917)
USA: Delaware, Lackawanna & Western
	1136	2'C1' h2
	1151	2'C2' h2			1937
USA: Grand Trunk Western
	U-4b	2'D2' h2			1938
USA: LeHigh Valley
	K-5	2'C1' h2
USA: Louisville & Nashville
	K-5	2'C1' h2
	K-7	2'C1' h2
USA: Nashville, Chattanooga & St. Louis
	K-2D	2'C1' h2			1947
USA: New York Central
	J-1e (#5344) * Commodore Vanderbilt	2'C2' h2		3300 hp	1934 *
	J-3a	2'C2' h2	193 km/h	4700 hp	1937
	L-2c (#2873) * Rexall Train	2'D1' h2			1936
	K-5b (#4915) * Mercury	2'C1' h2			1936 * (1926)
USA: New York, New Haven & Hartford
	I-5	2'C2' h2			1937
USA: Norfolk & Western
	J	2'D2' h2	177 km/h		1943
	K-2	2'D1' h2			(1919)
USA: Pennsylvania Railroad
	K-4s *	2'C1'h2	185 km/h (201 km/h)
	K-4sa *	2'C1'h2	185 km/h (201 km/h)
	Q-1	2'CB2' h4			1942
	S-1	3'BB3' h4	193 km/h (227 km/h)	7200 hp	1939
	T-1	2'BB2' h4	193 km/h (209 km/h)	6552 hp	1942
	T-1a *	2'BB2' h4	193 km/h (209 km/h)	6552 hp	1945 *
USA: Reading
	G-1sa *	2'C1' h2			1937
USA:  San Louis San Francisco Railways (Frisco)
	1015 *	2'C1' h2			1939
USA:  Seaboard Air Lines (SAL)
	*	2'C1' h2
USA: Southern Pacific
	GS-2	2'D2' h2		5500 hpi	1937
	GS-3	2'D2' h2		5500 hpi	1937
	GS-4	2'D2' h2		5500 hpi	1941
	GS-5	2'D2' h2		5500 hpi	1942
	P-10	2'C1' h2
USA:  Southern Railroad
	Ps-4	2'C1' h2
USA:  Texas & New Orleans
	P-14 *	2'C1' h2
USA:  Union Pacific
	MT-1 #7002 *	2'D1' h2		4000 hp	1937
	P-13 #2906 *	2'C1' h2			1937
	UP-1, -2	(2'Co)(Co2') hTurb	200 km/h	5000 hp	1939
USA:  Wabash
	P-1*	2'C2' h2
USSR
	IS20-16	1'D2 h2'	155 km/h		1937
	2-3-2-K	2'C2' h2	160 km/h		1937
	6998	2'C2' h2	180 km/h		1938
	V-5	Bo'2' h?t			1937
Yugoslavia
	01 101 / SHS 1001	1'C1' h?	143 km/h