Number Type Driver Diameter (in.) Cylinder Size (in.) or Horse Power Weight (lbs.) Boiler Pressure (lbs./sq.in.) Tractive Effort (lbs.) Builder Builder's No. Built (mon./year)
1 2-4-2ST 50 17x24 96,000 130 15,330 Baldwin 12017 7/1891
1 (2nd) 0-6-0 51 19x26 145,000 175 27,380 Baldwin 32607 1/1908
2 0-4-2ST 50 17x24 92,700 160 18,866 Baldwin 18618 1/1901
3 0-4-2ST 50 17x24 100,000 160 18,866 Baldwin 23897 3/1904
4 0-6-0 51 19x24 118,000 175 25,270 Vulcan 1759 7/1911
5 0-4-2ST 51 19x24 119,000 145 21,600 Baldwin 38036 7/1912
6 0-6-0 51 19x26 145,000 175 27,380 Baldwin 39339 2/1913
7 0-6-0 51 20x24 143,000 175 28,000 Alco-Brooks 54563 4/1914
8 0-6-0 51 20x24 145,200 175 28,000 Baldwin 43670 7/1916
9 0-6-0 51 20x24 146,000 175 28,000 Alco-Brooks 61021 5/1920
10 0-6-0 51 20x24 147,900 175 28,000 Baldwin 57209 9/1923
11 0-6-0 51 20x24 150,000 175 28,000 Baldwin 60102 7/1927
20 Model S2 - 1000 hp. 230,000 - 57,500 Alco ? 7/1943
21 Model S2 - 1000 hp. 230,000 - 57,500 Alco 70204 7/1943
22 Model S2 - 1000 hp. 230,000 - 57,500 Alco 70156 2/1944
23 Model S2 - 1000 hp. 230,000 - 57,500 Alco 70157 3/1944
24 Model S2 - 1000 hp. 230,000 - 57,500 Alco 73602 7/1945
25 Model S2 - 1000 hp. 230,000 - 57,500 Alco 73603 7/1945

Source: A State Belt Pictorial, by McMorris Dow and Joseph A. Strapac, The Western Railroader, Vol. 51 Number 533, February, 1988.