PlasserSSP-302 Ballast Regulator M 613 Aug 2025 M 614 NA M 616 NA M 617 NA Plasser Unimat 09-475Dynamic Rail Tamping machine HRR12-11A Mini Grinder Mar 2024 Doosan Butt Welder Mar 2024 Kiwirail EF Locomotives EF class locomotive is a mainline electric locomotive, and freight train in NZ. Introduced in 1988. 22 EF class locomotives were built. In 2018 15 units underwent life extension overhauls. Tamper & Regulator Tamper Since 2020 Regulator Since 2020 Sydney Trains – MTPV Interfaced Controls April 2020 Speno – Track Grinder Since 2017