Serial Number And Date Code Information


This ad disappears when logged in

rustjunkie

Moderator
Staff member
Jul 11, 2012
13,237
17,932
Monrovia, CA 91016
www.rustjunkies.com
#1
Non-discussion thread for information and links for serial number and date code information for bicycles and parts.
If you like a post please give a "thumbs up".
Send suggestions, questions, comments, or corrections to OP (original poster) or a moderator.

Would be great if anyone would like to make a chart for a manufacturer/time period that doesn't have one.


Cleveland Welding:
https://thecabe.com/forum/threads/cleveland-welding-s-n-project.2705/

Columbia/Westfield/Some Elgin, courtesy http://www.vintagecolumbiabikes.com:
http://www.vintagecolumbiabikes.com/id79.html

Huffman:
https://thecabe.com/forum/threads/huffman-serial-number-project.1162/

Iver Johnson:
https://thecabe.com/forum/threads/i...gathering-place-for-dating-ij-bicycles.37533/

Murray:
https://thecabe.com/forum/threads/murray-serial-number-project.7014/

Murray serial chart.jpg


Schwinn:
https://thecabe.com/forum/threads/schwinn-serial-number-reference.63993/
 
Last edited:

rustjunkie

Moderator
Staff member
Jul 11, 2012
13,237
17,932
Monrovia, CA 91016
www.rustjunkies.com
#2
Morrow Coaster Brake Hub:

Letter and number note the year and quarter of production.
Example: I 3 = produced 1939 July-September

Note: many hubs are marked 36-13, this is not the date code, it notes the # spoke holes and size.

A - 1931
B - 1932
C - 1933
D - 1934
E - 1935
F - 1936
G - 1937
H - 1938
I - 1939
J - 1940
K - 1941
L - 1942
M - 1943
N - 1944
O - 1945
P - 1946
Q - 1947
R - 1948
S - 1949
T - 1950
 
Last edited:

the tinker

Cruisin' on my Bluebird
May 4, 2014
2,699
5,817
Planet Mongo
#5
Monark serial numbers

Copied from : Newsletter by John Polizzi.

3600 or under- 1934
3601 to 8100 - 35
8101 to 9126 - 36
9127 to 11019 - 37
11020 to 30000 - ??
30001 to 46001 - 38
46001 to 62000 - 39
62001 to 79000 - 40
79001 to 100761 - 41
100762 to 112911 - 42
112911 to 118000 ??

Prior to 1941 the number was punched very deep under crank housing.

Beginning in 1946 the number was on a plate in the same location.

118106 to 286500 - 1946
286521 to 429919 - 47
429920 to 539000 - 48
539001 to 737063 - 49
737064 to 827982 - 50
827983 to 950701 - 51
950702 to 1387335 - 52
1387524 to 1762369 -53
1762370 to 1911106 - 54

1946 and 47 horn button was on left side of tank.
1948-49-and 50 horn button was on right side of tank.
1951-52-53-54 button was moved to top right of tank.[ smaller button, about 1/4 "]

1946 to 1949 the pedestal light was used.
1950 the train light was introduced.
Beginning in 1953 Monark switched to a single horizontal spring fork.
 

This ad disappears when logged in
Most Recent BUY IT NOW Items Listed on eBay
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture
eBay Auction Picture