Complex sentence: Five hundred imperial gallons (2,270 L) of water and 18 cwt (910 kg) of coal could be carried, 6,978 pounds (31.04 kN) of tractive effort at 75% of maximum boiler pressure.
Split into simpler sentences: Five hundred imperial gallons (2,270 L) of water and 18 cwt (910 kg) of coal could be carried. The engine produced 6,978 pounds (31.04 kN) of tractive effort at 75% of maximum boiler pressure.