It's powered courtesy of a naturally aspirated engine of 3.2 litre capacity. This unit features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 36 bhp (36.5 PS/26.8 kW) of power at 1800 rpm.
The power is supplied to the wheels via a 3 speed manual transmission.
The Birch Super Four weighs a claimed 998 kg at the kerb.
Full specs