Canadian National
gallery of classes
E classes
GE Dash 8-40CM GE Dash 8-40CM GE Dash 9-44CW Wabtec AC44C6M
E = General Electric
F = Freight unit
6 = Six axles
40 = 4,000 horsepower
a = Sub-class
E = General Electric
F = Freight unit
6 = Six axles
40 = 4,000 horsepower
b = Sub-class
E = General Motors
F = Freight unit
6 = Six axles
44 = 4,400 horsepower
u = Sub-class
E = General Electric (Wabtec)
F = Freight unit
6 = Six axles
44 = 4,400 horsepower
zf = Sub-class
G classes
GMD GP38-2 EMD SD60 GMD SD75I GMD SW1200RS
G = General Motors
H = Hump yard unit
4 = Four axles
20 = 2,000 horsepower
b = Sub-class
G = General Motors
F = Freight unit
6 = Six axles
38 = 3,800 horsepower
c = Sub-class
G = General Motors
F = Freight unit
6 = Six axles
43 = 4,300 horsepower
c = Sub-class
G = General Motors
R = Road switcher unit
12 = 1,200 horsepower
u = Sub-class

GMD GP7 GMD / CN GP9 slug
G = General Motors
R = Road switcher unit
15 = 1,500 horsepower
a = Sub-class
G = General Motors
Y = Yard unit
00 = 0 horsepower (slug unit)
d = Sub-class
M classes
MLW RS-18 MLW / CN S13u
M = Montreal Locomotive Works
R = Road switcher unit
18 = 1,800 horsepower
c = Sub-class
M = Montreal Locomotive Works
S = Switcher unit
4 = Four axles
10 = 1,000 horsepower
a = Sub-class
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