The British Rail Class 29 consisted of 20 diesel locomotives which were rebuilt from the North British Class 21 in 1964-1965 at Polmadie Works with a Paxman'Ventura' V12 engine (predecessor to the HST 12RP200'Valenta' engine).
The British Rail Class 29 consisted of 20 diesel locomotives. These 20 diesel locomotives were rebuilt from the North British Class 21 in 1964-1965 at Polmadie Works with a Paxman'Ventura' V12 engine (predecessor to the HST 12RP200'Valenta' engine).