090814 2097r663 viewsHunter Siding, FMG trial waggons built by CNR QRRS in China and one tonne lighter than the existing fleet. 3001 is the slave waggon with the rotary coupling and stencilled as 21.7 tonnes, 4002 is the control waggon and should be 21.9 tonnes. FMG now has a large fleet of these waggons built by CNR QRRS or Qiqihar Railway Rolling Stock Co. Ltd of China Northern, with the tare weights now at 22.6 tonnes. 14th August 2009.