Claim: Yosemite Valley Railroad locomotive numbers 20-23 had a 4-4-0 wheel configuration while numbers 25, 26 (2nd), 27-29 had a 2-6-0 wheel configuration and was built by Baldwin, Wabash, ALCO, and Altoona..
Evidence: 20 4-4-0 Baldwin 1880 21 4-4-0 Wabash 1881 22 4-4-0 ALCO 1907 23 4-4-0 ALCO 1907 25 2-6-0 Baldwin 1925 26 (2nd) 2-6-0 ALCO 1924 27 2-6-0 Baldwin 1913 28 2-6-0 Baldwin 1917 29 2-6-0 Baldwin 1922