Engine Serial Numbers

A. MODEL NO.
K321PT
K
32
1
PT
K-Series Engine
Approximate
Displacement
(Cu. In.)
Single
Cylinder
Version Code
      A - Special Oil Pan
      C - Clutch Model
      G - Generator Application
      P - Pump Model
      Q - Quiet Model
      R - Reduction Gear
      S - Electric Start
      T - Retractable Start
      ST - Electric Start and
Retractable Start
      EP - Electric Plant
B. SPEC NO.
60124B
60
124B
Engine Model Code
Variation of Basic Engine
Code
Model
 
26, 27, 31
K91
 
28
K161
 
29
K141
 
30
K181
 
46
K241
 
47
K301
 
60
K321
 
71
K341
 
C. SERIAL NUM
E - 172452
9076430
10026692
1501897591
A Letter First Two Digits / If
Seven Digit Number
First Three Digits / If
Eight Digit Number
First Two Digits / If
Ten Digit Number
A
1965
10-19
1969
100-109
1980
15
1985
B
1966
20-29
1970
110-119
1981
16
1986
C
1967
30-39
1971
120-129
1982
17
1987
D
1968
40-49
1972
130-139
1983
18
1988
E
1969
50-59
1973
140-149
1984
19
1989
60-69
1974
150-159
1985
20
1990
70-72
1975
21
1991
73-79
1976
22
1992
80-89
1977
23
1993
90-94
1978
24
1994
95-99
1979
25
1995
Remaining digits are a factory code.

 


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