York Serial Numbers ID
FROM HISTORY TO OCTOBER 2004
X X X X 9 9 9 9 9 9
6 DIGITS
SEQUENCED NUMBERS
TYPE OF ITEM
M=Mfg. Basic Unit
Year Assembled
Month
A
B
C
D
E
F
G
H
K
L
M
N
Plant
A
B
C
D
Addison
Blackville
Canada
Medina
E
M
N
W
Elyria
Mad'ville
Norman
Wichita
X Mexico
Y York
Jan.
Feb.
Mar.
Apr.
May
June
July
Aug.
Sept
Oct.
Nov.
Dec.
*
* Started 4 letters prefix.
D FOR ESG WAS EAST YORK PLANT
A
1971
A
1992
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
V
W
X
Y
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
B
C
D
E
F
G
H
J
K
L
M
N
P
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
P=Purchased Basic Unit
S=Mfg. Low Side Item
T=Purchased Low Side Item
Y=Mfg.Accessory
Z=Purchased Accessory
O=Filler
KO
LO
MO
NO
PO
RO
SO
TO
VO
WO
XO
AO
BO
CO/CM
Coleman / Evcon Serial Numbers ID (Only Wichita Units
DUCANE SERIAL NUMBERS
X
Last 4 numbers
SB968615
X
X
X
1
2
3
4
5
86 = year
15 = week
5 Digits sequenced Numbers
1992 to date: month of manufacture
1991 back is Year of manufacture
1992 to date: Year of manufacture
1991 back is month of manufacture
NEW SERIAL NUMBER NOMENCLATURE
1
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
2
N 0
3
L
4
4
5
1
6
2
7
3
8
4
9
5
10 (Position)
6
Position # 3
Date Code: Month
A
Jan
B
Feb
C
Mar
D
Apr
E
May
F
June
Sequential Numbers (6)
Position # 2 & 4
Date Code: YEAR of Manufacture
Position #2 3rd digit of year of manufacture
Position #4 4th digit of year of manufacture
Example:
Year
Position #2 Position #4
2004
0
4
2005
0
5
2006
0
6
2007
0
7
2008
0
8
2009
0
9
2010
1
0
You must enter the "0" as a zero.
Position # 1
MANUFACTURING PLANT
N NORMAN
W WICHITA
A APODACA
S SOURCE ONE
G
H
K
L
M
N
July
Aug
Sep
Oct
Nov
Dec