Tank Locomotives Four and More Coupled Axles Tank Locomotives 0-8-0T “Eight-coupled” Tank Locomotives 0-8-2T and 0-8-4T Tank Locomotives 2-8-0T “Consolidation” Tank Locomotives 2-8-2T “Mikado” Tank Locomotives 2-8-4T “Berkshire” Tank Locomotives 4-8-0T “Twelve-wheeler” Tank Locomotives 4-8-2T and 4-8-4T Tank Locomotives 0-10-0T “Ten-coupled” Tank Locomotives 0-10-2T, 2-10-0T, 2-10-2T and 4-10-2T Tank Locomotives 0-12-0T, 2-12-0T and 2-12-4T
