In the autumn of 1938 the PV51-52 was replaced by the PV53-56. These cars had a new front end, modified suspension and steering, uprated interior and dashboard.
After the outbreak of the Second World War production continued, to provide transportation to the Swedish Armed Forces and other official functions. Most of these war time cars had a wood gas generator mounted on a trailer behind the car, since the engine had been converted to run on this domestic fuel.
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