ADVANCE DESIGN TRUCK IDENTIFICATION
by: Steve Andereggen Jr.

The serial number consists of a group of numbers and letters which indicate the assembly plant, the model year, the series, the month of assembly, 
and the number of units (plus 1000) assembled at that plant.

 EXAMPLE - 3SKB19943

 3-SK-B-19943 indicates that the truck was assembled at St. Louis.  1949 model, Series 4400, 
built in February, and was the 18,943rd truck of the 4400 series built at that plant.

    3                           SK                          B                               19943

Assembly Plant

Symbol & Series

Month

Unit Number

 

 

 

 

1.  Flint

GJ -- 1500

A -- January

Each series separately numbered

 in sequence, starting with 1001,

at each plant.  (this number not

necessary for chassis classification.)

2.  Tarrytown

GK -- 2000

B -- February

3.  St. Louis

GP -- 3100

C -- March

5.  Kansas City

GR -- 3600

D -- April

6.  Oakland

GT -- 3700

E -- May

8.  Atlanta

GS -- 3800

F -- June

9.  Norwood

GU -- 3900

G -- July

14.  Baltimore

SJ -- 4100

H -- August

20.  Los Angeles

SK -- 4400

I -- September

21.  Janesville

SL -- 4500

J -- October

 

SP(S) -- 5100

K -- November

SR (S) -- 5400

L -- December

SS(S) -- 5700

 

SV(S) -- 6100

SW(S) -- 6400

SX -- 6700

 
1947 2ND SERIES

Symbol

Wheel Base

Series

Type of Vehicle

EJ

116

1500

Passenger (Stylemaster)

EK

116

2000

Passenger (Fleetmaster & Fleetline)

EP

116

3100

Commercial Ton Truck

ER

125

3600

Commercial Ton Truck

ES

137

3800

Commercial 1 Ton Truck

QJ

137

4100

Utility 1 Ton Truck

QK

161

4400

Utility 1 Ton Truck

QL

161

4500

Utility School Bus Chassis

QV(S)

137

6100

Utility 2 Ton Truck

QW(S)

161

6400

Utility 2 Ton Truck

QX

199

6700

Utility School Bus Chassis

QP(S)

110

5100

Utility 2 Ton Truck, COE

QR(S)

134

5400

Utility 2 Ton Truck, COE

QS(S)

158

5700

Utility 2 Ton Truck, COE

 

1948

Symbol

Wheel Base

Series

Type of Vehicle

FJ

116

1500

Passenger (Stylemaster)

FK

116

2100

Passenger (Fleetmaster & Fleetline)

FP

116

3100

Commercial Ton Truck

FR

125

3600

Commercial Ton Truck

FT

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

FS

137

3800

Commercial 1 Ton Truck

FU

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

RJ

137

4100

Utility 1 Ton Truck

RK

161

4400

Utility 1 Ton Truck

RL

161

4500

Utility School Bus Chassis

RV(S)

137

6100

Utility 2 Ton Truck

RW(S)

161

6400

Utility 2 Ton Truck

RX

199

6700

Utility School Bus Chassis

RP(S)

110

5100

Utility 2 Ton Truck, COE

RR(S)

134

5400

Utility 2 Ton Truck, COE

RS(S)

158

5700

Utility 2 Ton Truck, COE

 

1949

Symbol

Wheel Base

Series

Type of Vehicle

GJ

115

1500

Passenger (Special)

Stylemaster & Fleetline

GK

115

2100

Passenger (Deluxe)

Stylemaster & Fleetline

GP

116

3100

Commercial Ton Truck

GR

125

3600

Commercial Ton Truck

GT

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

GS

137

3800

Commercial 1 Ton Truck

GU

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

SJ

137

4100

Utility 1 Ton Truck

SK

161

4400

Utility 1 Ton Truck

SL

161

4500

Utility School Bus Chassis

SV(S)

137

6100

Utility 2 Ton Truck

SW(S)

161

6400

Utility 2 Ton Truck

SX

199

6700

Utility School Bus Chassis

SP(S)

110

5100

Utility 2 Ton Truck, COE

SR(S)

134

5400

Utility 2 Ton Truck, COE

SS(S)

158

5700

Utility 2 Ton Truck, COE

 

1950

Symbol

Wheel Base

Series

Type of Vehicle

HJ

116

1500

Passenger (Special)

Stylemaster & Fleetline

HK

116

2100

Passenger (Deluxe)

Stylemaster & Fleetline

HP

116

3100

Commercial Ton Truck

HR

125

3600

Commercial Ton Truck

HT

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

HS

137

3800

Commercial 1 Ton Truck

HU

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

TJ

137

4100

Utility 1 Ton Truck

TK

161

4400

Utility 1 Ton Truck

TL

161

4500

Utility School Bus Chassis

TV(S)

137

6100

Utility 2 Ton Truck

TW(S)

161

6400

Utility 2 Ton Truck

TX

199

6700

Utility School Bus Chassis

TP(S)

110

5100

Utility 2 Ton Truck, COE

TR(S)

134

5400

Utility 2 Ton Truck, COE

TS(S)

158

5700

Utility 2 Ton Truck, COE

 

1951

Symbol

Wheel Base

Series

Type of Vehicle

JJ

116

1500

Passenger (Special)

Stylemaster & Fleetline

JK

116

2100

Passenger (Deluxe)

Stylemaster & Fleetline

JP

116

3100

Commercial Ton Truck

JR

125

3600

Commercial Ton Truck

JT

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

JS

137

3800

Commercial 1 Ton Truck

JU

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

UJ

137

4100

Utility 1 Ton Truck

UK

161

4400

Utility 1 Ton Truck

UL

161

4500

Utility School Bus Chassis

UV(S)

137

6100

Utility 2 Ton Truck

UW(S)

161

6400

Utility 2 Ton Truck

UX

199

6700

Utility School Bus Chassis

UP(S)

110

5100

Utility 2 Ton Truck, COE

UR(S)

134

5400

Utility 2 Ton Truck, COE

US(S)

158

5700

Utility 2 Ton Truck, COE

 

1952

Symbol

Wheel Base

Series

Type of Vehicle

KJ

116

1500

Passenger (Special)

Stylemaster & Fleetline

KK

116

2100

Passenger (Deluxe)

Stylemaster & Fleetline

KP

116

3100

Commercial Ton Truck

KR

125

3600

Commercial Ton Truck

KT

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

KS

137

3800

Commercial 1 Ton Truck

KU

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

VJ

137

4100

Utility 1 Ton Truck

VK

161

4400

Utility 1 Ton Truck

VL

161

4500

Utility School Bus Chassis

VV(S)

137

6100

Utility 2 Ton Truck

VW(S)

161

6400

Utility 2 Ton Truck

VX

199

6700

Utility School Bus Chassis

VP(S)

110

5100

Utility 2 Ton Truck, COE

VR(S)

134

5400

Utility 2 Ton Truck, COE

VS(S)

158

5700

Utility 2 Ton Truck, COE

 

1953 1955 1st

Symbol

Wheel Base

Series

Type of Vehicle

A

115

1500

Passenger (One Fifty)

B

115

2100

Passenger (Two Ten)

C

115

2400

Passenger (Bel Air)

D

115

1508

Sedan Delivery

H

116

3100

Commercial Ton Truck

J

125

3600

Commercial Ton Truck

K

125

3700

Commercial Ton Truck

(Double Duty)

Forward Control Delivery Chassis

L

137

3800

Commercial 1 Ton Truck

M

137

3900

Commercial 1 Ton Truck

(Double Duty)

Forward Control Delivery Chassis

N

137

4100

Utility 1 Ton Truck

P

161

4400

Utility 1 Ton Truck

R

161

4500

Utility School Bus Chassis

V

137

6100

Utility 2 Ton Truck

W

161

6400

Utility 2 Ton Truck

X

179

6500

Utility 2 Ton Truck

Y

199

6700

Utility School Bus Chassis

Z

212

6800

Utility School Bus Chassis

S

110

5100

Utility 2 Ton Truck, COE

T

134

5400

Utility 2 Ton Truck, COE

U

158

5700

Utility 2 Ton Truck, COE

 

REFERENCES:
1949 Chevrolet Truck Data Book
1951 Chevrolet Truck Data Book
 
Chevs of the 40s

  NOTE 1: In my Chevrolet Truck Data Books, Model 2100 is listed as model 2000.  Im not quite sure which one is correct.  I got model 2100 from the reference Chevs of the 40s provided.  If the is a mistake, please let me know.

 NOTE 2:  I dont have a data book for the 1954-55 1st series and am going by what Chevs of the 40s lists.  If this is in error, please let me know.

 Any errors or corrections can be forwarded to me at: [email protected]