Chapter 7. R A I L TRANSPORTABILITY GUIDANCE

TM 55-2320-209-15-1

CHAPTER 7

R A I L TRANSPORTABILITY GUIDANCE

Section I. GENERAL

7-1. Scope

within the Association of American Railroads'

Outline Diagram for Single Loads, Without End

This chapter provides transportability guidance for

Overhang, on Open-Top Cars as shown in both the

rail movement of the 2-1/2-ton, 6x6 trucks. It covers

Railway Line Clearance Publication and the Official

significant technical and physical characteristics and

Railway Equipment Register.

safety considerations and prescribes the materials

and guidance to prepare, load, tie down, and unload

7-4. Preparation of Vehicles

the vehicles.

The degree of preparation of the vehicles before being

7-2. Maximum Utilization of Railcars

transported by railcar is dependent upon the opera-

tional commitment.

Additional cargo, as approved by the activity offer-

ing the trucks for transport, may be transported with

7-5. Loading Trucks on General Purpose

the vehicles.

Flatcars

7-3. General

a. Trucks maybe placed in the tiedown position on

the railcar by a crane, or they may be driven or towed

The transportability guidance contained in this sec-

onto the railcar provided a suitable ramp or bridge

tion is applicable when the trucks are transported on

is available.

CONUS railways. Consideration is given to single

b. The load shown in figure 7-1 is based on flatcar

and multiple movements on the types of railcars nor-

minimum width of 9 feet 6 inches. Figure 7-2 is a

mally used for the movement of these vehicles. The

detailed blocking and bracing diagram for figure 7-1.

vehicles, when loaded on suitable railcars, can be

Table 7-1 is a bill of materials, and table 7-2 presents

transported without sectionalization or major

application of materials for securing vehicles on

disassembly. When at their respective reduced

general purpose flatcars.

heights, the 2-1/2-ton, 6x6 trucks are transportable

Figure 7-1. Blocking and tiedown diagram of 5-ton, 6x6 truck on CONUS general purpose flatcar.

7-1

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