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Glossary
GALLEY—The kitchen in an RV.
GENERATOR—An engine powered device fueled by gasoline or diesel fuel, and sometimes
propane, for generating 120-volt AC power.
GENSET—Abbreviation for generator set.
GOOSENECK—A trailer and hitch configuration connected to the tow truck directly above the
rear axle by way of a standard ball hitch in the truck bed and a vertical, slender arm on front
of the trailer. Gooseneck hitching is common on horse and utility trailers, but rarely found on
RV’s.
GRAY WATER—Term associated with the waste water holding tank. Water from the sink drains,
shower and washer/dryer (if so equipped) go into this tank.
GROSS AXLE WEIGHT RATING (GAWR)—The MAXIMUM ALLOWABLE WEIGHT each axle
assembly is designed to carry, as measured at the tires, therefore including the weight of the
axle assembly itself. GAWR is established by considering the rating of each of its components
(tires, wheels, springs, axle), and rating the axle on its weakest link. The GAWR assumes that
the LOAD IS EQUAL ON EACH SIDE.
GROSS CARRYING CAPACITY (GCC)—Means the maximum carrying capacity of your
camper. The GCC is equal to the GVWR minus UVW. The GCC will be reduced by the weight of
fresh water or other tanks, propane, occupants, personal items or dealer installed accessories.
GROSS COMBINED WEIGHT RATING (GCWR)—The MAXIMUM ALLOWABLE COMBINED
WEIGHT of the tow vehicle and attached towed vehicle. GCWR assumes that both vehicles
have functioning brakes, with exceptions in some cases for very light towed vehicles, normally
less than 1,500 pounds. (Check your tow vehicle’s towing guide.)
GROSS TRAILER WEIGHT RATING (GTWR)—The MAXIMUM TOWED VEHICLE WEIGHT.
Each component (receiver, drawbar, ball) of a ball-type hitch has its own rating. Some ball-type
hitches have separate ratings when used with a weight distributing system.
GROSS VEHICLE WEIGHT RATING (GVWR)—The MAXIMUM ALLOWABLE WEIGHT of the
fully loaded vehicle, including liquids, passengers, cargo, and the tongue weight of any towed
vehicle.
HEAT EXCHANGER—A device that transfers heat from one source to another. For example,
there is a heat exchanger in your furnace - the propane flame and combustion products are
contained inside the heat exchanger that is sealed from the inside area. Inside air is blown over
the surface of the exchanger, where it is warmed and the blown through the ducting system for
room heating. The combustion gases are vented to the outside air.
HEAT STRIP—A heat strip is an electric heating element located in the air conditioning system
with the warm air distributed by the air conditioner fan and ducting system. They are typically
1500 watt elements (about the same wattage as an electric hair dryer) and have limited function.
Basically they “take o the chill.”
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