Under the Whyte notation system, a Mallet-type locomotive with two leading wheels on a leading truck, two sets of six driving wheels, and two trailing wheels on a trailing truck.
Under the Whyte notation for the classification of steam locomotives by wheel arrangement, a 2-6-6-2 is a locomotive with one pair of unpowered leading wheels, followed by two sets of three pairs of powered driving wheels, and one pair of trailing wheels. The wheel arrangement was principally used on Mallet-type articulated locomotives, although some tank locomotive examples were also built. A Garratt type locomotive with the same wheel arrangement is classified as 2-6-0+0-6-2. Other equivalent classifications are: ⁕UIC classification: 1CC1 ⁕French classification: 130+031 ⁕Turkish classification: 34+34 ⁕Swiss classification: 3/4+3/4 ⁕Russian classification: 1-3-0+0-3-1 Under the UIC classification the wheel arrangement is referred to as C1' for Mallet locomotives.
The numerical value of 2-6-6-2 in Chaldean Numerology is: 0
The numerical value of 2-6-6-2 in Pythagorean Numerology is: 0
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