German railway wagon classes

The system of German railway wagon classes was introduced in Germany in 1902 and 1905 by the Prussian state railways based on their system of norms, and was soon taken up by the other state railways. On the formation of the Deutsche Reichsbahn, the system became mandatory across the whole of Germany. In the course of the years more and more adjustments to it were made. It was finally replaced between 1964 and 1968 when the two German railway administrations - the Deutsche Bundesbahn and the Deutsche Reichsbahn (East Germany) - adopted the internationally standard UIC classifications for passenger coaches and goods wagons. Today, the system is still regularly being used for narrow gauge goods wagons, because these were not generally given UIC designations, as well as on many historical vehicles.
The wagon class comprises one or more main class letters and possibly several secondary class letters . Combinations of several main class letters are possible, e.g. on passenger coaches with different accommodation classes.
Image:Klappdeckelwagen.jpg|thumb|right|KKw = Lidded wagon with bogies and less than 30 t dead weight, here on the 750-mm gauge line of the Preßnitz Valley Railway

Main class letters

In order to distinguish bogie wagons, the last letter of the main class was doubled to begin with, e.g. BC → BCC, G → GG. From 1928 the system was changed on passenger coaches. Instead of doubling the letters, the number of axles was indicated where it was greater than two. So an eight-wheeled BC coach was no longer classified as a BCC but as a BC4. That now made it possible to distinguish passenger coaches with three axles or more. For goods wagons, the doubling of letters was retained. Only on Dgw and ZM wagons was the differentiation dropped, whilst the BT, H, Pwg, V and VO wagons had no bogie variants anyway.

	Period When Valid	Meaning
A		Passenger coach 1st class
AD		Passenger coach 1st class with Luggage Compartment, specially designed for the Rheingold
B		Passenger coach 2nd class
BB	1928 to 1938	Former BC. 3rd class compartments subsequently upholstered for 2nd class
BT	from ?	Groß Behälter-Tragwagen. Large container-carrying flat wagon.
C	to 1956	Passenger coach 3rd class
CC	1928 to 1938	Former CD. 4th class compartments subsequently fitted with benches for 3rd class.
D	to 1928	Passenger coach 4th class
Dienst	from ?	Dienstwagen. Departmental wagon.
D...	from 1952	Doppelstockwagen. Double-decker coach '
DGB	from 1957	Doppelstock-Gliederzug, 2nd class. Double-decker articulated train, 2nd class
DGR	from 1958	Buffet car for the double-decker articulated train
Dgw	from ?	Dienstg'üterwagen. Departmental wagon.
G		Gedeckter Güterwagen. Covered van.
HH	to 1923	Langh'olzwagenpaar. Log wagon pair.
H	from 1924	Cradle wagon. Type of Langholzwagen or log wagon.
K		Klappdeckelwagen. Lidded wagon.
K…	from ?	Narrow gauge passenger coach '
...K	from 1954	Passenger coach with Küche. '
...L	1933 to 1956	Lokalbahnwagen. Branch line coach. '
L...	from 1957	Lokalbahnwagen. Branch line coach. '
...L	from 1956	Liegewagen. Couchette coach.
...L	from 1954	Coach with Lautsprechern für Zugfunk.
M…	from 1943	Provisional wartime coach '
M	from 1954	Passenger coach of goods van design
M	from about 1957	Militärwagen? Military van - a covered van with special equipment for carrying troops
N	1911 to 1921	Covered van or combination van with air brakes or pipes for use in fast trains
O		Offener Güterwagen. Open wagons.
P	to 1927	Packwagen. Luggage van '.
P	from 1928	Privatwagen. Private wagon.
Post		Postwagen. Post van '.
Pw	from 1928	Gepäckwagen. Luggage van.
Pwg	from 1933	Gepäckwagen für Güterzüge. Luggage van for goods trains. Guards van.
R	from 1914	Rungenwagen. Stake wagon.
…R	from 1956	Wagon with restaurant section '
S		Schienenwagen. Flat wagon.
S...	from 1928	Sonderreisezugwagen for FD trains '.
...S	from 1954	Sonderwagen. Special wagon.
Sdr	from 1945	Sond'erreisezugwagen. Special passenger coach.
Salon		Salonwagen. Saloon car.
Schlaf	to 1927	Schlafwagen. Sleeper.
Speise	to 1927	Speisewagen. Dining or restaurant car. '.
T	from 1943	Thermoswagen. Kühlwagen. Refrigerator van.
V		Verschlagwagen. Livestock van for small livestock e.g. sheep and poultry.
VO	to 1921	Offener V'iehwagen. Open livestock wagon for large livestock, e.g. cattle and horses.
WG	from ?	Gesellschaftwagen. Company coach.
WL…	from 1928	Schlafwagen − "wagon-lit". Sleeper. '
WR	from 1928	Speisewagen − "w'agon-restaurant". Dining or restaurant car.
X		Departmental open wagon.
Z	from 1928	Zellenwagen. Prison van?
Z	from 1951	Z'isternenwagen. Tank wagon.
ZM	1945 to 1950	Tank wagon for the transportation of crude oil.

Secondary letters for passenger coaches

	Period valid	Meaning
b	from 1957	With additional brake pipes and electrical control wiring '
c	from 1954	Passenger coach of goods van design '
d	1928 to 1937	Former 4th class D, now used unchanged as a higher travel class
e	to 1927	Passenger coach with 2 decks
e	from 1954 from 1957	Electric train heating '
	from 1957	Electric heating
f	from 1957	Driver's cab on shuttle trains
g	to 1927	Luggage van only suitable for use in goods trains '
g	1928 to 1956	Former covered van form passenger transport '
g	from 1957	Rubber communication walls instead of bellows '
g	from 1962	Rubber communication gangways
k	1928 to 1953 1928 to 1956	Kitchen '
kr	from 1928	Sick bay or with compartment which can be converted into a sick bay
i		Through coach with open gangways
l	from 1957	Light, eight-wheeled fast-stopping or passenger train coach of standard design with less than 30 t dead weight
m	from 1957	Length over 24 m, upholstered 2nd class and electric heating or heating pipes
o	from 1954	Stove heating
p	to 1927	Passenger coach with luggage compartment
post	to 1927	Passenger coach or luggage van with post compartment
r	from 1967	Passenger coach with buffet facility
s	from 1957	Closed side entrance in 1st class or luggage van on WL: Sleeper with individual compartments, in combination with i' or y:''
speise	to 1927	Passenger coach with dining area
tr	from 1928	suitable for heavy hand luggage or equipped with a heavy hand luggage section
u	1933 to 1937	Converted former 3rd class, now upholstered and operated as 2nd class and former 4th class, now fitted with benches and operated as 3rd class
ü		Bogie coach with corridor and bellows gangways
üp	from 1939	Bogie coach with corridor and bellows gangways	Bogie coach with corridor and bellows gangways	Passenger coach with temporary wooden benches Priority compartments
z	from 1962	air conditioning

Secondary letters for goods wagons

Description of the maximum load

Four- and six-wheeled wagons

	for Classes	Period valid	Meaning
m	all	to 1910	At least 15 ton maximum load
m	all	1911 to 1923	At least 15 ton but less than 20 ton maximum load
mm	all	1911 to 1923	At least 20 ton maximum load
m	G, H, K, O, R, S, V, X	from 1924	At least 20 ton maximum load
mm	G, K, O, R, X	from 1937	more than 20 ton maximum load
w	all	to 1923	Less than 10 ton maximum load
w	G, H, O, S, T, V, X	from 1924	Less than 15 ton maximum load and not tippable

Wagons with eight wheels or more (including HH wagons)

	for Classes	Period valid	Meaning
m	GG, HH, OO, SS	to 1910	At least 20 ton maximum load
m	GG, HH, OO, SS	1911 to 1923	At least 30 ton maximum load
m	SS	1933 to 1950	At least 50 ton maximum load '
m	SS	from 1950	At least 35 ton maximum load '
w	GG, HH, OO, SS	to 1923	Less than 20 ton maximum load
w	GG, KK, OO	from 1924	Less than 30 ton maximum load
w	SS	from 1924	Less than 35 ton maximum load

Description of loading length and loading area

	for Classes	Period valid	Meaning
k	S	from 1924	Loading length shorter than 13 m
k	SS	from 1924	Loading length shorter than 15 m
l	all except SS	to 1910	At least 7 m loading length and 17 m² loading area
l	all except R and SS	1911 to 1923	At least 8 m loading length
l	SS	to 1923	More than 12 m loading length
l	SS	1924 to 1932	More than 15 m loading length '
l	SS	from 1933	More than 18 m loading length '
l	G	1924 to 1932	At least 24 m² loading area
l	G	from 1933	At least 26 m² loading area
l	K	from 1960	At least 33 m² loading area
l	O	from 1951	At least 10 m loading length
l	X	from 1951	At least 8 m loading length

Description of features of importance for train formation

	for Classes	Period valid	Meaning
b	G, R, T	from 1933	Ferry wagons for German-English ferry services
e	all	from 1924	Electric heating pipes
ee	all	from 1933	Electric heating pipes and electric heating
f	all	1924 to 1932	Ferry wagons for German-English ferry services
h	all except ZM	from 1924	Steam heating pipes
hh	G, GG, T	from 1933	Steam heating pipes and steam heating
n	G, V, VO	to 1923	Air brakes or air pipes. Steam pipes or other equipment that make it suitable for use as a luggage van or in passenger trains '
q	all	from 1951	no through couplings, maximum load reduced
r	all	from 1924	Wagon with exchangeable wheelsets for transiting to Russian '
s	G, R, SSy, T	1933 to 1950	Suitable for fast trains running at up to 90 km/h
s	GG, RR, TT	1933 to 1950	Suitable for trains running at up to 120 km/h
s	G, R, SSy, T	from 1951	Suitable for trains running at up to 100 km/h
s	GG, TT	from 1951	Suitable for trains running at up to 120 km/h
s	all	from 1951	Suitable for trains running at up to 100 km/h
u	X	to 1914	Unsuitable for trains used as public transport
	O, HH, S/SS, X	to 1921	Unusable for the loading of military vehicles
u	all	1939 to 1948	Unusuitable for military transportation
u	G	to 1948	Unusuitable for passenger transportation
u	O	to 1948	sides not removable?

Description of individual wagon classes

Classes G/GG and N

	Period valid	Meaning
f	to 1923	Stalls for race horses
g	from 1951	Floor hatches for unloading bulk material
i	1911 to 1927	End platforms, suitable for passengers
k	1924 to 1944	Refrigerated
k	from 1951	Refrigerator van, old type
ll	from 1933	Pair of close-coupled vans for part-load goods, known as a Leig-Einheit
p	from 1924	Six-wheeled, dead weight
t	from 1924	End doors
trieb	from 1933 to 1960	Goods railbuses
v	1924 to 1932	End loading doors and special ventilation for livestock transportation
v	from 1933	Stable wagon with groom compartment
x	from 1951	Fixed walls for grain transportation

Class H/HH

	for Class	Period Valid	Meaning
o	H	from 1924	Without Stakes, only usable in pairs
s	H/HH	to 1950	Coupling rods
z	HH	to 1923	Prongs on the rotating cradles

Classes K/KK, O/OO, VO and X/XX

	for Classes	Period Valid	Meaning
c	O	to 1910	Coke wagon with high sides in order to load the right amount of coke corresponding to the maximum load
c	O	from 1911	Maximum 15 ton load, wooden sides at least 1,30 m high but lower than 1,90 m
f	O/OO	from 1951	Rotating and folding drop ends for transporting vehicles
g	O	1924 to 1950	High, fixed rail sides
g	K	from 1957	Sliding sides
i	O/OO	from 1951	Tippler
k	O/OO	to 1923	Front walls that pivot about an upper hinge and allow the load to be dumped onto tipping equipment
k	O	from 1933	Bucket car with two or three removable buckets, 25 ton load
k	OO	from 1951	Bucket car with four or five removable buckets
k	OO	from 1951	Transporter for large containers
k	K	from 1951	Crane, sliding roof with crane loading and unloading
n	O/OO	from 1951	Low sides, 40−80 cm high
o	X/XX	from 1914	Sides over 40 cm high
p	O/OO	from 1924	Not tippable, at least 15 t load, sides up to 1,90 m high
q	O/OO	to 1923	Removable end walls
t	K/KK, O/OO, X/XX	not limited	Funnels, floor hatches, inclined floors or side hatches for self-discharging, not tippable. X wagons additionally with removable end walls
v	O	from 1924	Wooden sides over 190 cm high, no tipping facility
y	X	1914 to 1923	Special equipment for rapid loading and unloading etc.
z	O, VO	to 1923	Specially sealed, and so suitable for peat litter transportation or the like
z	O/OO	from 1933	Ore transportation with special sealing

Classes R/RR and S/SS

	for Classes	Period Valid	Meaning
a	SS	from 1933	Open brakeman's platform, folding platform rails
o	R	from 1933	No Stakes
Ru	Ol, Sl	1911 to 1913	At least 10 m long and with stakes
t	S/SS	from 1924	well wagon
y	SS	from 1942	Heavy goods flat wagon with 50 t maximum load, loading length 8,8 m, open brakemans' platform, exchangeable wheelsets for broad gauge
yl	RR SS	from 1951 from 1951	As for y, but longer loading length
ym	SS	from 1942	As for y, but higher maximum load
ym	RR	from 1951	Heavy goods flat wagon with 80 t maximum load, loading length 14,36 m, open brakemans' platform, folding platform rails

Class T/TT

	Period Valid	Meaning
f	from 1943	Fish van only
g	from 1943	Refrigerated goods only
gg	from 1943	Refrigerated goods and dry ice only
k	from 1943	Refrigerator van
k	from 1951	k, an insulation value
kk	from 1951	Insulated milk can van
n	from 1943	Not suitable for refrigerated goods
o	from 1943	No meat hooks
v	from 1943	Electric ventilators

Class V

	Period Valid	Meaning
e	to 1910	with decks
e	1911 to 1921	Lattice walls and two floors
g	1911 to 1932	Intermediate floors for geese
g	from 1933	Four floors
p	from 1922	No equipment to alter the loading area
z	to 1921	With equipment to alter the loading area

Class ZM

	Period Valid	Meaning
h	1945 to 1950	Heating pipes
i	1945 to 1950	Insulation
s	1945 to 1950	For black crude oil
w	1945 to 1950	For white crude oil

Class Z/ZZ

	Period Valid	Meaning
d	from 1951	Heating pipes or tank
i	from 1951	Interior lining
w	from 1951	Only for fuel