92002 'H.G Wells' heads the Mossend-Dollands Moor china clay slurry empties through Bletchley. The tanks are owned by NACCO, and the train will end up in Belgium via the Channel Tunnel.
Class 92's are immensely versatile locos, and operate on the 25kV ac overhead system and are rated at 6,760 hp (5.04 MW), and on the 750V dc 3rd rail system at 5,360 hp (4.00 MW).