4-8-2+2-8-4 Europe. It weighed 262.5 tons in working order and produced of tractive effort at 95% boiler pressure. It was built with thick bar frames, was high, and was tested in temperatures as low as . 4-8-2+2-8-4 Under the Whyte notation for the classification of steam locomotives by wheel arrangement, a is a Garratt articulated locomotive consisting of a pair of engine units back to back, with the boiler and cab suspended between them. The wheel arrangement has four leading wheels on two axles, usually in a leading bogie, eight powered and coupled driving wheels on four axles and two trailing
2-8-8-2 still used on steel mill lines and other railroads until 1983. Other equivalent classifications are: UIC classification: 1DD1 (also known as German classification and Italian classification) French classification: 140+041 Turkish classification: 45+45 Swiss classification: 4/5+4/5 The first 2-8-8-2 was built in 1909 by Baldwin, who sold two to the Southern Pacific Railroad (classified MC-1), and then three each to the Union Pacific Railroad and UP-owned Oregon Railroad and Navigation Company. Baldwin conceived the type as an expansion of the 2-6-6-2 permitting a greater tractive effort. The next order for the type was from the Southern Pacific; these differed in being