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.
Dularcha Railway Tunnel the southern approach of the tunnel runs parallel to the current North Coast Line rail track. The tunnel runs on a north–south axis. Two semi-elliptical concrete portals are located at the north and south openings of the tunnel. The tunnel is concrete-lined throughout with cuttings at either end. A vehicular dirt track in the National Park in part following the original rail line now removed, passes through the Dularcha Railway Tunnel joining the two towns. The tunnel is approximately long and curves slightly towards the northern portal. The northern and southern portals are both similar in structure and design. They