4-8-8-2

Under the Whyte notation for the classification of steam locomotives, a 4-8-8-2 is a locomotive with four leading wheels, two sets of eight driving wheels, and a two-wheel trailing truck. Other equivalent classifications are:UIC classification: 2DD1 (also known as German classification and Italian classification)French classification: 240+041Turkish classification: 46+45Swiss classification: 4/6+4/5 The equivalent UIC classification is refined to (2'D)D1' for Mallet locomotives.

4-8-8-2

Under the Whyte notation for the classification of steam locomotives, a 4-8-8-2 is a locomotive with four leading wheels, two sets of eight driving wheels, and a two-wheel trailing truck. Other equivalent classifications are:UIC classification: 2DD1 (also known as German classification and Italian classification)French classification: 240+041Turkish classification: 46+45Swiss classification: 4/6+4/5 The equivalent UIC classification is refined to (2'D)D1' for Mallet locomotives.