TM 9-2320-360-10
NO. 4 AXLE. Supports weight of HET Tractor and assists no. 1 axle in steering when in motion.
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Transmits power to hubs to turn rear wheels.
TOW EYES. Attachment points for towing operations.
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ELECTRICAL CONNECTOR. A 12-volt (7-pin) connector supplies power to trailer or to towed
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vehicle electrical system through intervehicular cable.
PINTLE HOOK. Hitch used for towing trailer.
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Couples air supply to another vehicle or trailer during towing or trailering
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GLADHANDS.
operations.
APPROACH RAMPS. Raise the front end of trailer to guide kingpin into fifth wheel.
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FIFTH WHEEL. Couples trailer to HET Tractor.
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