TM 55-3810-229-14/N
TM 55-3810-229-14/NAVFAC P-941
CHAPTER 7
RAIL TRANSPORTABILITY GUIDANCE
Section I. GENERAL
materials and guidance required to prepare, load, and tie
7-1.
Scope
down the cranes.
This chapter provides transportability guidance for rail
movement of the MT-250 and MT-300 cranes. It covers
significant technical and physical characteristics and
7-2.
Maximum Utilization of Railcars
safety considerations of the vehicles, and prescribes the
Additional cargo, as approved by the activity offering the
cranes for transport, may be transported with the cranes.
Section II. TRANSPORT ON CONUS RAILROADS
7-3.
General.
CAUTION
These cranes, when loaded on suitable railcars, can be
transported on CONUS railways without sectionlization or
Do not allow the crane to exceed 3 miles per
major disability. They can be transported within the
hour (walking speed) during loading or
Association of American Railroads Outline Diagram of
unloading operations.
Single Loads, Without End Over- hang, on Open-Top
Cars as shown in the Official Railway Equipment
b. The load shown in figures 7-1 and 7-2 is based
Register.
on a flatcar minimum width of 9 feet 6 inches, which will
provide sufficient space for blocking materials. Figure 7-
7-4.
Preparation of Vehicles
a. The boom must be fully retracted and locked in
the boom rest with the locking pin installed.
the vehicle is table 7-1, and the application of those
b. The outriggers must be fully retracted into
materials is table 7-2.
housings and locked in place with retaining pins.
NOTE
7-5.
Loading on General Purpose Flatcars
A staggered nailing pattern should be used
a. The MT-250 and MT-300 cranes may be
when lumber or laminated lumber is nailed to
placed in the tiedown position on the railcar by a crane of
the floor of the railcar. Also, the nailing
adequate capacity, or they may be driven or towed onto
pattern for an upper piece of laminated lumber
the railcar, provided a suitable ramp or bridge is
will be adjusted as required so that a nail for
available.
that piece will not be driven through, onto, or
right beside a nail in the lower piece of lumber.
7-1
