northern pacific railway locomotives 

Statements about this table:
the highest quantity made be manufacture by alco which be the class z - 3 and class z - 6
baldwin manufacture (4) 4 different class while alco manufacture (6) 6 class
class z - 5 in the year 1928 , only have (1) 1 quantity made
the wheel arrangement for the class z - 5 be the same , but they be build in different year
the highest quantity made be manufacture by alco which be the class z - 8
baldwin and alco manufacture same number of class
in 1928 , only 1 (1) quantity of class z - 5 be manufacture by alco
the 2 class of z - 5 be manufacture in different year with different wheel arrangement
class
wheel arrangement
fleet number (s)
manufacturer
serial numbers
year made
quantity made
quantity preserved
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
mallet and simple articulated locomotives
z
2 - 6 - 6 - 2
3000 - 3015
baldwin
30566…31557
1907
16
0
z - 1
2 - 6 - 6 - 2
3100 - 3105
baldwin
34389…34483
1910
6
0
z - 2
2 - 8 - 8 - 2
4000 - 4004
baldwin
34382 - 34386
1910
5
0
class
wheel arrangement
fleet number (s)
manufacturer
serial numbers
year made
quantity made
quantity preserved
z - 3
2 - 8 - 8 - 2
4005 - 4025
alco
52839…62472
1913 , 1917 , 1920
21
0
z - 4
2 - 8 - 8 - 2
4500 - 4503
alco
64373 - 64376
1923
4
0
z - 5
2 - 8 - 8 - 4
5000
alco
67578
1928
1
0
z - 5
2 - 8 - 8 - 4
5000 - 5011
baldwin
61292…61495
1930
11
0
class
wheel arrangement
fleet number (s)
manufacturer
serial numbers
year made
quantity made
quantity preserved
z - 6
4 - 6 - 6 - 4
5100 - 5120
alco
68760 - 68780
1936 - 1937
21
0
z - 7
4 - 6 - 6 - 4
5121 - 5126
alco
69540 - 69545
1941
6
0
z - 8
4 - 6 - 6 - 4
5130 - 5149
alco
70143…71962
1943 - 44
20
0