prr locomotive classification 

Statements about this table:
sd40 and sd45 both produce more than 40 train
ep20 and ep22 prr class have a wheel arrangement of a1a - a1a
the train in 1967 with under 40 produce be build by sd40 / sd45
the prr class of freight train build before 1967 with a b - b wheel arrangement be the ef20a
the prr class have a power outout of a a1a - a1a be ep20 ep20 / ep22
prr class
builders model
build date
total produced
wheel arrangement
service
power output
es6
sw
1937
12
b - b
switcher
es6
sw1
1942 - 1950
85
b - b
switcher
es10
nw2
1941 - 1948
32
b - b
switcher
es12
sw7 - sw9
1950 - 1953
84
b - b
switcher
es12
sw1200
1957
35
b - b
switcher
ef15
f3a , f7a
1947 - 1952
203
b - b
freight
ef15
f3b , f7b
1947 - 1952
107
b - b
freight
epf15
fp7a
1952
40
b - b
pass
prr class
builders model
build date
total produced
wheel arrangement
service
power output
epf15
fp7b
1952
14
b - b
pass
ep20
e7a
1945 - 1949
46
a1a - a1a
pass
ep20
e7b
1945 - 1949
14
a1a - a1a
pass
ep22
e8a
1950 - 1952
74
a1a - a1a
pass
ers15
gp7
1952 - 1953
66
b - b
freight
ers15ax
sd7
1953
2
b - b
freight
ers17
gp9
1955 - 1959
310
b - b
freight
prr class
builders model
build date
total produced
wheel arrangement
service
power output
ers17a
sd9
1957 - 1958
25
c - c
freight
ef22
gp30
1963
52
b - b
freight
ef25
gp35
1964 - 1965
119
b - b
freight
ef25a
sd35
1965
40
c - c
freight
ef30a
sd40
1966
65
c - c
freight
ef36
sd45
1966
65
c - c
freight
ef20a
gp38
1967
5
b - b
freight