TM 55-203
c.
US Army and US Air Force-owned
b.
Illustrations in this manual are
freight and passenger equipment meeting AAR and
presented as typical of the various types of cars used by
DOT specifications and required to operate on railroad
the Department of the Army. Marking arrangements
systems in the United States, Canada, and Mexico, will
must be flexible to fit all types. On some cars, it will be
have the reporting marks USAX or DAFX. US Navy-
impossible to adhere strictly to size, arrangement, and
owned cars are marked USNX. All other equipment will
location of markings as illustrated. Information in
have the reporting marks USA, USN, or DAF.
Department of Defense-owned cars of the interchange
entirety on the cars in all cases. Information not shown
fleet are marked DODX. Military service-owned rail
on the drawings will not be added unless specifically
equipment not marked with the letter "X" following
authorized by the US Army Mobility Equipment
ownership designation is restricted to interinstallation
Command. Markings on freight and passenger cars will
use.
be arranged so as to present the same view from either
side,
Section II. FREIGHT CARS
actual scale lightweight of the car in multiples of 100
15-3. Boxcars, Flatcars, Gondola, Hopper,
pounds.
and Caboose (Guard) Cars in CONUS
c.
The full data carried on boxcars follows
a.
White gloss enamel No. 17875 will be
in d through i below. On all other types of cars, only
used for letters and numbers. All exposed exterior
such dimensions as actually exist will be covered by
painted surfaces on boxcars, flatcars, and caboose
these markings. Dimensions indicating eaves width and
(guard) cars will be painted gloss olive green No.
height (EW & H) are defined as follows:
14064.
All exposed exterior painted surfaces on
gondola, hopper, and Army-owned tank cars will be
(1)
Eaves width is the outside width of a car
painted gloss black No. 17038, as prescribed by AR
at the top of the eaves (upper eaves if car is equipped
746-1 Markings and lettering, including those on trucks
with Z-bar side plate), except on cars having a latitudinal
and underframes, will conform to the applicable
running board extension, in which case, eaves measure
provisions of the Manual of Standard and
from the outside edge of the top of the latitudinal running
Recommended Practices, and to the AAR Code of
board to a corresponding point on the opposite side of the
Rules governing the condition of and repairs to freight
car.
and passenger cars. Army-owned cars which are
acceptable to commercial railroads for interchange and
(2)
Eaves height is the height from the top
which meet all requirements will be reported to the US
of the rails to the eaves (upper eaves if car is equipped
Army Mobility Equipment Command. These cars, when
with Z-bar side plate), except on cars having latitudinal
authorized, bear USAX and the car number.
running board extension, where it is the height to the top
of the latitudinal running board extension at the side of
b.
Seven to nine-inch characters will be
the car.
used and will be located to suit car construction (fig 1'5-
2 to 15-6) Reporting marks on ends of the car, on trucks,
d.
For all cars standing more than 12 feet
and on purlins or the wall inside the car, will be 4-inch
from the top of the rail to the eaves, an additional set of
characters (fig 15-2 to 156). Letters and numbers will
dimensions will be shown on the car. These will indicate
be uniformly spaced. Weights will be shown as follows:
the car's extreme width and height (EXW & H).
(1) The capacity (CAP) of the car will be
(1) Extreme width is the measurement
shown in pounds to the nearest 1,000 pounds. This
taken from the attachment projecting to the greatest
capacity is the normal loading assigned to the car and is
extent around eaves.
based on the size of its axles.
(2) Extreme height at extreme width is the
(2) The load limit (LD LMT) is the actual
distance from the top of the rail to the point where
limitation on loading based on the difference between
extreme width exists. e. Inside width, inside length, and
the total weight on the rails permitted by the size of the
inside height are represented as IW, IL, and IH
axle used and the lightweight of the car. When cars
respectively. For all dimensions, fractions are omitted.
cannot carry this maximum load, the actual loading
For inside dimensions they are dropped,
permissible will be shown and a star will precede the
load-limit marking. (3) The lightweight (LT WT) is the
15-2
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