TM-55-2320-280-14 HMMWV Transportability Guidance M998 Series Download
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25 August 1988 TM 55-2320-280-14 CHAPTER 5 HIGHWAY TRANSPORTABILITY GUIDANCE Section I. GENERAL 5-1. Scope. This chapter provides highway transportability guidance for movement of the HMMWVs. It also includes safety considerations and lists the materials required to load and tie down these vehicles. 5-2. Safety In addition to the safety precautions contained in chapter 3, the movement of these vehicles is subject to all safety laws, rules, and regulations applicable to commercial carriers in CONUS. In overseas areas, move- ments are governed by theater and local regulations. Section II. SELF-PROPELLED MOVEMENT 5-3. General The HMMWVs can move without any restrictions over all road networks in CONUS and overseas as self- propelled vehicles. 5-4. Preparation of HMMWVs for Movement No special preparation, other than organizational maintenance, is required when the HMMWVs are moved un- der their own power. Section III. TRANSPORT BY SEMITRAILER 5-5. General The HMMWVs may be transported over highway by both military and commercial flatbed semitrailers. Trac- tor/semitrailer combinations not more than 96 inches wide will provide for unrestricted moves in CONUS and overseas. 5-6. Preparation of HMMWVs for Shipment on Semitrailers Special preparation of the HMMWVs for movement on semitrailers may consist of reducing the HMMWVs to their lowest shipment configuration. Normally, the overall height of the vehicles, when loaded on the M127A1 semitrailer, should not exceed 13 feet 6 inches. 5-7. Loading on Semitrailer The HMMWVs may be placed in the tiedown position on the semitrailer by crane, or they may be driven over loading ramps. If a crane is used, it must have a capacity of 5 tons or more to lift the vehicles. After the vehi- cles are placed at the tiedown point, they will be secured in accordance with figure 5-1. Chain and load binders can be used in lieu of wire rope for securing vehicles to semitrailers. The bill and application of materials for securing the HMMWVs on semitrailers are shown in tables 5-1 and 5-2, respectively. 5-1