7F-033-001 O Gauge 24T Steel Hopper BR Bauxite B435007Charles Roberts built 1,000 22 ton hopper wagons to Diagram 161 in 1949, and a year later 1,500 were built to Diagram 1 162 uprated to 24 tons. These were built by Charles Roberts, and Cambrian with Birmingham upgrading 500 of the 22 ton 1 161 wagons. They were initially used for iron ore traffic and latterly Limestone, chalk and sand. Specifications Die cast compensated chassis Finely profiled wheels and axles with brass bearing pockets Highly