The Doosan Group was founded in 1896. The company began as the Park Seung Jik Store in 1896 in Baeogai (now Jongno 4-ga, Seoul). Since then, Doosan has developed into a multinational conglomerate, with particular emphasis on consumer goods, manufacturing and the trading and construction sectors. Doosan Infracore (formerly Daewoo Heavy Industries & Machinery, a company specializing in construction machinery) in 2005. Doosan Infracore produces construction equipment, engines, attachments, and utility equipment such as air compressors.

No. Engine Family Output Range
(Prime Power Applications)
Number of Cylinders
kVA kWE
1 066 Series 82 - 144 65 - 92 6 (In Line)
2 086 Series 153 - 228 123 - 183 6 (In Line)
3 126 Series 274 - 304 219 - 243 6 (In Line)
4 158 Series 365 - 526 292 - 421 8 (V)
5 180 Series 571 - 635 457 - 508 10 (V)
6 222 Series 642 - 744 513 - 595 12 (V)
  • The quoted typical kVA / kWe ratings are based on typical generator efficiencies.
  • The kVA figures are calculated with a 0.8 power factor; 1,500 RPM (50 Hz); 220/380 V