Lesson 1/ Learning Event 1
The road condition also has a lot to do with traction. On icy roads the wheels slip or spin easily, so
the "traction" is poor. On dry, paved roads, the "traction" is good.
VEHICLE WEIGHT
Net weight
This is the actual weight of the vehicle only. It does not include the weight of the fuel, lubricants,
water, crew, or cargo.
Curb weight
This is the weight of the vehicle with fuel, oil, and water added, fully equipped for operation. It
does not include the crew and cargo.
Payload
This is the weight of the cargo or passengers, including the crew, that a vehicle can safely carry. It
does not include the weight of the vehicle, fuel, oil, or water.
A vehicle can carry a greater payload when traveling on the highway than when traveling cross-
country. The payload that a vehicle can safely carry on a good road is called the "on-highway
payload."
Gross weight or fighting weight
This is the weight of a fully equipped vehicle serviced for operation, including the crew plus the full
allowable payload.
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