Engine Identification
Posted: Wed Jan 20, 2021 11:57 am
Various codes may be stamped into the engine block. These codes represent:
1. ENGINE NUMBER AND CODE:
NEW ENGINES INSTALLED IN PRODUCTION
Engine Number:
A series production engine will have an eight-digit engine number consisting of two groups of four
digits. The 1 st block contains 4 digits with information on the assembly line and serial number of
engines produced daily.
The 2nd block shows the factory code and day of production.
0 001 0 000
0 Assembly line
0 or 1= M10, M42
2 or 3 = M20, M21,, M50 Munich/Steyr
4 or 5 = M30
6 = S14, S38, M70
001 = Serial number
0 = Factory code
0 -4 =Munich
5 -9 =Steyr (Austria)
000 = Production day
Engines covered:
18 4K A
18 4S 1
27 6K A
27 6K B
25 6K 1
23 4E A
24 6T A
27 6K A
27 6K B
32 6E A
34 6K A
35 6E E
25 6E 2
25 6S 1
34 6K B
36 6S 1
32 6E A
34 6K A
34 6K B
35 6E E
50 12 A
32 6E A
34 6K A
34 6K B
50 12 A
1. ENGINE NUMBER AND CODE:
NEW ENGINES INSTALLED IN PRODUCTION
Engine Number:
A series production engine will have an eight-digit engine number consisting of two groups of four
digits. The 1 st block contains 4 digits with information on the assembly line and serial number of
engines produced daily.
The 2nd block shows the factory code and day of production.
0 001 0 000
0 Assembly line
0 or 1= M10, M42
2 or 3 = M20, M21,, M50 Munich/Steyr
4 or 5 = M30
6 = S14, S38, M70
001 = Serial number
0 = Factory code
0 -4 =Munich
5 -9 =Steyr (Austria)
000 = Production day
Engines covered:
18 4K A
18 4S 1
27 6K A
27 6K B
25 6K 1
23 4E A
24 6T A
27 6K A
27 6K B
32 6E A
34 6K A
35 6E E
25 6E 2
25 6S 1
34 6K B
36 6S 1
32 6E A
34 6K A
34 6K B
35 6E E
50 12 A
32 6E A
34 6K A
34 6K B
50 12 A