Peterbilt Medium Duty Trucks Operator's Manual after 1-07

Preventive Maintenance
Federal Safety Standard Certification Label
The NHTSA regulations require a label certifying compliance
with Federal Safety Standard, for United States and U.S. Territories,
be affixed to each motor vehicle and prescribe where
such label may be located. This certification label, which indicates
the date of manufacture and other pertinent information,
is located on the driver's side door frame.
Component Identification
Each of the major components on your vehicle has an identification
label or tag. For easy reference, record component
numbers such as, model, serial, and assembly number. See
the “Vehicle Component Register” (last page of this manual).
Engine: For further information, please refer to the Engine
Operation and Maintenance Manual.
Clutch: Enclosed in clutch housing. Location depends on
manufacturer.
Consumer Information and Vehicle Identification
Transmission: For both manual and automatic transmissions,
the identification number is stamped on a tag affixed to
the right rear side of the transmission case.
Steer Axle: The front axle serial number is stamped on a
plate located on the center of the axle beam.
Drive Axles: The drive axle numbering system includes
three labels or stamps:
1. Axle Specification Number, usually stamped on the right
rear side of the axle housing. This number identifies the
complete axle.
2. Axle Housing Number Tag, usually located on the left forward
side of the housing arm. This tag identifies the axle
housing.
3. Axle Differential Carrier Identification, usually located on
the top side of the differential carrier. The following information
is either stamped, or marked with a metal tag:
Model No., Production Assembly No., Serial No., Gear
Ratio, and Part Number.
Medium Duty (R10/06) Y53-6008 – 231 –