No.7 'Graham Alexander'
Type: 4w-4w Battery
Motors: 32Kw AC motor with 80-volt battery & 600amp controller unit
Weight: 4.5T
Built: 1990 (originally 4w-4w Diesel Mechanical)
Builder: Severn Lamb Ltd
Other Notes: Overhauled in 2005 (Diesel). Converted to battery in 2024.
