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REV. 3 - 03/10
Section IV: Glossary
Page 94
Overall Vehicle Width
- The design dimension ot the widest part of the vehicle,
exclusive of signal lamps, outside rearview mirrors, flexible fender
extensions, and mud flaps, determined with doors and windows closed
and the wheel in the straight ahead position.
Overhang
- The horizontal distance for the centerline of a single rear axle or
center point of a tandem rear axle to a point where the vertical component is
imposed.
P
Payload
- The weight of the commodity being hauled. Payload capacity is
computed by subtracting the completed weight of the vehicle (including
driver and passengers) from the GVWR.
Pintle Hook
- Hook mounted on a truck or semitrailer used to couple a full trailer.
PTO (Power Takeoff)
- Mechanical device used to transmit engine power to
auxiliary equipment. Power takeoffs can be mounted on either a main or
auxiliary transmission. Front mounted and flywheel mounted power takeoffs
are also used in various applications.
Push Bumper
- Device used to push a vehicle, sometimes equipped with a
rubber face.
R
Rating
- The specified design operating limit of a device.
Rear Jack
- One or more devices designed, when used, to stabilize chassis.
Recovery
- Act of moving a vehicle to a position from which it can be driven or
towed.
Recovery Vehicle
- Vehicle to retrieve and if necessary lift and tow other vehicles.
Resisting Bending Moment (RBM)
- A calculation used to compare frames of
different section modulus and of different material. It is the product of the
section modulus times the yield strength of the frame material.
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