Complex sentence: Only two units were manufactured and were used on newly introduced express train Slovenská strela since 1936, covering the distance in 4 hours and 28 minutes with a maximum speed of 130 km/h. They were taken out of service when World War II started in 1939.
Split into simpler sentences: Only two units were manufactured and were used on newly introduced express train Slovenská strela starting in 1936. They covered the distance in 4 hours and 28 minutes with a maximum speed of 130 km/h. Both were taken out of service when World War II started in 1939.