Seventeen-Character Vehicle Identification Number (VIN)
Typical VIN
2 W K
H
A B
A V
1
1
K
A 1 2 3 4 5
Character Position
1, 2, 3
4
5, 6
7, 8
9
10
11
12–17
Code Description
World Manufacturer Identification
Chassis Configuration
Model, Cab, GVWR
Engine, Brakes
Check Digit Calculation
Model Year
Build Location
Production Serial Number
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General InformationDetroit Diesel DD15 engines are equipped with two serpentine, poly-V drive belts and two automatic belt tensioners. The rear belt (closest to the engine block surface) drives the alternator, the A/C compressor, and the water pump. The other, front belt drives the engine fan. Both drive belts are kept at the correct tension by a system of pulleys and a dual automatic belt tension
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