Lister JP2 Genset on Load test

Lister JP2 or 18/2 Engine Alternator set on load test, running hot water heater element, 45A, 220V. First time this engine has been on load for a number of years. The sound aint too good, she was barking a bit

[@RODALCO2007]

Weird sound, maybe the belts were slipping a bit.