| 1981-87 Vehicle ID Number (VIN)
 In 1987 Chevrolet
changed the model designation of the CK series pickups to RV.  To
maintain continuity, I will reference the 1987 RV series trucks as CK.
 The examples
below use the following VIN number: 1GCDC14DXBF100001.
 1GC 
D  C  1  4  D  X  B  F  100001
 Division/Make
 
| 1 =
United States 2 = Canada
 GC
= Chevrolet
 GT = GMC
 |  
 1GC  D 
C  1  4  D  X  B  F  100001
 GVWR/Brake System
 
| B = 3001 - 4000   Hydraulic C = 4001 - 5000   Hydraulic
 D =
5001 - 6000   Hydraulic
 E = 6001 - 7000   Hydraulic
 F = 7001 - 8000   Hydraulic
 |  
 1GC  D  C 
1  4  D  X  B  F  100001
 Line Description & Chassis
Type
 
| C 
=  2 Wheel Drive    1981-86 K  =  4 Wheel Drive   
1981-86
 R  =  2 Wheel Drive   
1987
 V  =  4 Wheel Drive   
1987
 |  
 1GC  D  C  1 
4  D  X  B  F  100001
 Series
 
| 1 =
1/2 Ton 2 = 3/4 Ton
 3 =    1 Ton
 |  
 1GC  D  C  1 4 
D  X  B  F  100001
 Body Type
 
 1GC  D  C  1 
4  D  X  B  F  100001
 Engine Description
 
** W/TBI Means With Throttle
Body Injection.
| 1981 D =
250   6Cyl
 T = 292   6Cyl
 G = 305   V8  2BBL
Carb
 H = 305   V8  4BBL
Carb
 L = 350   V8
 M = 350   V8  Heavy
Duty
 N = 350   V8  Diesel
 S = 454   V8
 W = 454   V8
 | 1982-84 D = 250   6Cyl
 T = 292   6Cyl
 H = 305   V8
 L = 350   V8
 M = 350   V8  Heavy
Duty
 C = 6.2L  V8  Diesel
 J = 6.2L  V8  Diesel
 W = 454  V8
 W
 |  
| 1985-86 T = 292   6Cyl
 N = 262   V6
 H = 305   V8
 L = 350   V8
 M = 350   V8  Heavy
Duty
 C = 6.2L  V8  Diesel
 J = 6.2L   V8  Diesel
 W = 454   V8
 | 1987 T = 292   6Cyl
 Z = 262   V6  W/TBI**
 H = 305   V8  W/TBI**
 K = 350   V8  W/TBI**
 L = 350   V8
 M = 350  V8  Heavy Duty
 C = 6.2L  V8  Diesel
 J = 6.2L   V8  Diesel
 W = 454   V8
 N = 454   V8  W/TBI**
 |  
 
 1GC  D  C  1 
4  D  X  B  F  100001
 Check Digit
 
 1GC  D  C  1 
4  D  X  B  F  100001
 Model Year
 
| B =
1981     F = 1985 C = 1982    
G = 1986
 D = 1983    
H = 1987
 E = 1984
 |  
 1GC  D  C  1 
4  D  X  B  F  100001
 Plant Code
 
| A = Lakewood    
S = St. Louis      1 = Oshawa B = Baltimore     
V = Pontiac        5 = London, Canada
 F =
Flint           
T = Terrytown     8 = Shreveport
 J = Janesville     
Z = Fremont
 |  
 1GC  D  C  1 
4  D  X  B  F  100001
 Production Assembly Sequence Number
 
   |