Rimutaka Tunnel fire suppression equipment, following the Pike River Mine disaster enquiry. Initially New Zealand DC class locomotives were used for the Wairarapa Connection, then from 2015 the DFB version of the New Zealand DF class locomotive (1979). The tunnel is used for freight from the Wairarapa to Wellington, notably logs from local pine forests and wood products from the Juken New Zealand Ltd timber mill at Waingawa, just south of Masterton. Rimutaka Tunnel The Rimutaka Tunnel (officially Tunnel 2, Wairarapa Line) is a railway tunnel through New Zealand's Remutaka Range, between Maymorn, near Upper Hutt, and Featherston, on the Wairarapa Line.
Rimutaka Tunnel Incline and its Fell engines. The original route between Upper Hutt and Featherston was often the subject of criticism, even before it was built. In 1898 J. H. Dobson completed several surveys on behalf of the Public Works Department into possible alternatives. Conclusions reached in 1899 as a result of these surveys did little more than confirm previous opinions. One promising possibility was a tunnel between Mangaroa and Cross Creek, which received so much attention that it nearly became the much-sought deviation. By 1900, however, it was realised that the cost of constructing such a tunnel could not be contemplated