Of these 694 were PV 4 and 302 ÖV 4. 251 of the covered cars were of the "PV 4 Special" model. The ÖV 4 production includes 27 naked chassis and 70 small pickup trucks (ÖV 4 TV) developed for Telegrafverket, the royal telecommunications company. Some of these light trucks were sold to other customers. The TV model has a small convertible top mounted just behind the front seats, with a cargo area behind. Technical specification Engine: 4-cylinder side-valve, volume 1944 cc Power output: at 2000 rpm Max. output torque: Gearbox: 3 forward, 1 reverse Max speed: recommended 60 km/h (37 miles/h), top speed Weight: Beginning in 1928, four-wheel brakes became optional fitment. References Notes External links Volvo Museum, Göteborg, Sweden. Official website. National Museum of Science and Technology, Stockholm, Sweden. Official website. Royal Swedish Academy of Engineering Sciences. Official website. OV4 First car made by manufacturer Cars introduced in 1926 Hisingen