Driving & Safety --- Section 2
The Executive 2005
97
Next, calculate the Sleep Capacity Weight Rating (SCWR) the manufacturer's designated number of
sleeping positions for the motorhome multiplied by 154 pounds.
The 154 pounds (70kg) is the average weight established by the US Federal Government and
Transport Canada, and is used to arrive at Cargo Carrying Capacity (CCC). However, actual sleep
capacity weight may be greater. The SCWR is not intended to limit the sleeping capacity to a specified
weight.
Example: If the manufacturer has designated the motorhome sleeping position at 4 (616
pounds) and there are four people who weight 200, 200, 178 and 138 pounds, totaling 716 pounds, that
doesn't mean the sleeping capacity is reduced to three individuals, but rather the CCC is reduced by
100 pounds due to the actual passenger weight.
Cargo Carrying Capacity (CCC) is how much cargo the motorhome can carry. However, tongue
weight of a towed vehicle will further reduce this amount.
Now the motorhome can be fully loaded and weighed to ensure GVWR is not exceeded. Once the
motorhome is fully loaded it is ready to be weighed to obtain an accurate scale reading and determine
the proper tire pressure. All slide rooms must be in the retracted position when weighing the
motorhome. The motorhome must remain as level as possible on the scale, even when an axle or side is
not physically on the scale.
• Each wheel position must be weighed to accurately determine the weight carried at each
wheel position.
• Refer to the previous examples on how to weigh each wheel position. Each wheel position
weight must be weighed and recorded to determine proper tire inflation.
• Wheel position weights are not to exceed Gross Axle Weight Rating (GAWR) and Gross
Vehicle Weight Rating (GVWR) as printed on the Motorhome Vehicle Certification
Label.
• Compare wheel position weights with weight ratings on the label. If wheel position weights
exceed maximum specifications, items will need to be removed until rating weight is within
specification.
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