Monarch SE 2004------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ S e ction 2 Driving & Safety | 77
The following is an explanation of commonly used weight abbreviations:
• Gross Vehicle Weight Rating (GVWR):
Maximum permissible weight of this motorhome. GVWR is equal to
or greater than the sum of UVW plus CCC.
• Unloaded Vehicle Weight (UVW):
Weight of this motorhome as built at factory with full fuel, engine oil
and coolants. UVW does not include cargo, fresh water, LP-Gas,
occupants or dealer installed accessories.
• Cargo Carrying Capacity (CCC):
Equal to GVWR minus each of the following: UVW, full fresh
potable water weight (including water heater), full LP-Gas weight,
and SCWR. Tongue weight of towed vehicle and dealer installed
equipment will reduce CCC.
• Gross Combination Weight Rating (GCWR):
The maximum allowable loaded weight of this motorhome and any
towed trailer or towed vehicle
• Gross Axle Weight Rating (GAWR):
Load-carrying capacity specified by manufacturer of a single axle
system, as measured at tire ground interfaces.
• Sleeping Capacity Weight Rating (SCWR):
The manufacturer's designated number of sleeping positions multiplied
by 154 pounds.
Tire Pressure:
A motorhome may weigh slightly heavier on one side than on the other. Tire
inflation pressure of the heavier side tires determine the inflation pressure for all
tire(s) on that axle due to the weight transfer that occurs when cornering. The
weight load will be transferred on the opposite side from the direction in which the
motorhome is cornering.
Improperly inflated tires, or suspension that is incorrectly loaded, can result in
poor fuel economy, poor handling and over-stressed chassis components. Vehicle
loading will influence tire inflation pressure and the load carried by each axle.
This is why each wheel position must be weighed. Motorhome axle configuration
and floor plan styles will require different weighing procedures.
NOTE: When weighing a motorhome, each tire on any axle must
be inflated to the same pressure. The wheel position carrying the
most weight will determine the tire inflation pressure for each
tire of that particular axle.
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