Chapter 5. O F F - R O A D AND HIGHWAY TRANSPORTABILITY GUIDANCE

55-2320-209-15-1

CHAPTER 5

O F F - R O A D AND HIGHWAY TRANSPORTABILITY GUIDANCE

Section I. GENERAL

the vehicles.

51. Scope

52. Safety

This chapter provides transportability guidance

for highway and off-road movement of the 2 1/2-

In addition to the safety precautions contained in

ton, 6x6 trucks. It covers significant technical

chapter 3, the vehicles are subject to all the safety

and safety

a n d p h y s i c a l characteristics

l a w s , rules, and regulations applicable to

considerations and prescribes the material and

commercial carriers when moving over public

guidance required to prepare, load, and tie down

highway in CONUS.

Section II. MOVEMENT ON OWN WHEELS

C O N U S are outlined in AR 55-162. Legal

53. General

limitations of oversea areas are identified in

The 2 1/2-ton, 6x6 trucks are transportable under

"Limits of Motor Vehicle Sizes and Weights,"

their own power for highway movement. Except

International Road Federation, 1023 Washington

as noted in table 2-1, chapter 2, dimensions and

Building, Washington, D.C. 20005.

weight of the trucks are within legal limitations

for highway movement in

CONUS and

54. Preparation of Trucks

recommended highway limitations in oversea

No special preparation of the trucks is required for

areas. V e h i c l e s exceeding the legal width

limitations in CONUS of 96 inches may require

movement under their own power. However, all

loose items should be secured within the vehicles.

special permits. The M292-series vans exceed the

Any cargo transported in the trucks should be

recommended height limitation in oversea areas

secured so that it does not extend beyond the end

by 1/2 inch, and special routing may be required.

and side limits of the cargo body.

The procedures for obtaining special permits in

Section III. TRANSPORT BY SEMITRAILER

ramp. After placement at the tiedown position,

55. General

the items will be secured in accordance with

The 2 1/2-ton, 6x6 trucks can be transported over

figures 5-1, 5-2, and 5-3. Figure 5-4 shows the

highway by semitrailers of adequate capacity and

tracking diagram of the M127 semitrailer pulled

size. Both in CONUS and overseas, permits will

by M818 truck, tractor. Figure 5-5 gives typical 2

be required if width of the transported item

1/2-ton, 6x6 truck blocking and tiedown details.

exceeds highway limitations. In addition,

Figure 5-6 is the tracking diagram for the M270

depending upon the tractor-trailer combination

semitrailer pulled by M818 truck, tractor. Tables

used for transport, overall length and/or height

51 and 5-2, bill of and application of materials

limitations may be exceeded and permits will be

for blocking and tiedown, are used in conjunction

required.

with figures 5-1, 5-2, and 5-3. Tables 5-3 and

56. Loading on Flatbed Semitrailers

5-4, the bill of and application of materials for

blocking and tiedown, are used in conjunction

The trucks may be placed in the tiedown position

with figures 5-3 and 5-5.

on the semitrailers by a crane or from a loading