Yanmar founded as YAMAOKA HATSUDOKI KOSAKUSHO, starting production with gas engines in1912.A vertical oil engine model for agricultural applications launched in 1920.YANMAR DIESELCO., LTD.name adopted K1, world's smallest 4-cycle horizontal water cooled diesel engine model (1.5-2Hp), launched 4MSL medium speed auxiliary engine model (120-130Hp) launched in 1952.10 millionth diesel engine produced,AMAGASAKI PLANT awarded ISO 9001 certification by the Lloyd's Register Quality Assurance Limited (LRQA),Awarded ISO 9001 certification for small engines by The British Standards Institution (BSI) and the Japan Quality Assurance Organization (JQA) in 1992.
| Yanmar Diesel Generator Sets | ||||||
| Genset Model | Prime Power （Kw/Kva) | Standby Power （Kw/Kva) | Engine Model | Cylinder | Fuel Consumption L/h | Speed Governor |
| 50Hz@1500rpm | ||||||
| NSY6 | 4.8/6 | 5.3/6.6 | 3TNM68-GGE | 3 | 1.4L/h | Mechanical |
| NSY8 | 6.4/8 | 7.2/9 | 3TNV76-GGE | 3 | 1.6L/h | Mechanical |
| NSY10 | 8/10 | 8.8/11 | 3TNV82A-GGE | 3 | 1.9L/h | Mechanical |
| NSY13 | 10.4/13 | 11.4/14.3 | 3TNV88-GGE | 3 | 2.4L/h | Mechanical |
| NSY14 | 11.2/14 | 12.3/15.4 | 3TNV84T-GGE | 3 | 2.6L/h | Mechanical |
| NSY17 | 13.6/17 | 15/18.7 | 4TNV88-GGE | 4 | 3.4L/h | Mechanical |
| NSY20 | 16/20 | 17.6/22 | 4TNV84T-GGE | 4 | 3.8L/h | Mechanical |
| NSY30 | 24/30 | 26.4/33 | 4TNV98-GGE | 4 | 6.0L/h | Mechanical |
| NSY35 | 28/35 | 30/37.5 | 4TNV98-GGE | 4 | 6.3L/h | Mechanical |
| NSY38 | 30/38 | 33/42 | 4TNV98T-GGE | 4 | 7.2L/h | Mechanical |
| NSY42.5 | 34/42.5 | 36/45 | 4TNV98T-GGE | 4 | 7.5L/h | Mechanical |
| NSY45 | 36/45 | 40/50 | 4TNV106-GGE | 4 | 8.6L/h | Mechanical |
| NSY50 | 40/50 | 44/55 | 4TNV106T-GGE | 4 | 9.6L/h | Mechanical |
| NSY60 | 48/60 | 53/66 | 4TNV106T-GGE | 4 | 9.8L/h | Mechanical |
| Genset Model | Prime Power （Kw/Kva) | Standby Power （Kw/Kva) | Engine Model | Cylinder | Fuel Consumption L/h | Speed Governor |
| 60Hz@1800rpm | ||||||
| NSY7X | 5.6/7 | 6.2/7.7 | 3TNM68-GGE | 3 | 1.4L/h | Mechanical |
| NSY10.6X | 8.5/10.6 | 9.3/11.8 | 3TNV76-GGE | 3 | 1.6L/h | Mechanical |
| NSY12.5X | 10/12.5 | 11/13.8 | 3TNV82A-GGE | 3 | 1.9L/h | Mechanical |
| NSY15.6X | 12.5/15.6 | 13/17 | 3TNV88-GGE | 3 | 2.4L/h | Mechanical |
| NSY17.5X | 14/17.5 | 15.4/19.3 | 3TNV84T-GGE | 3 | 2.6L/h | Mechanical |
| NSY20.6X | 16.5/20.6 | 18.2/22.7 | 4TNV88-GGE | 4 | 3.4L/h | Mechanical |
| NSY25X | 20/25 | 22/27.5 | 4TNV84T-GGE | 4 | 3.8L/h | Mechanical |
| NSY37.5X | 30/37.5 | 33/41.3 | 4TNV98-GGE | 4 | 6.0L/h | Mechanical |
| NSY40X | 32/40 | 35.2/44 | 4TNV98-GGE | 4 | 6.3L/h | Mechanical |
| NSY44X | 35.2/44 | 38.7/48.4 | 4TNV98T-GGE | 4 | 7.2L/h | Mechanical |
| NSY50X | 40/50 | 44/55 | 4TNV98T-GGE | 4 | 7.5L/h | Mechanical |
| NSY55X | 44/55 | 48.4/60.5 | 4TNV106-GGE | 4 | 8.6L/h | Mechanical |
| NSY62.5X | 50/62.5 | 55/68.8 | 4TNV106T-GGE | 4 | 9.6L/h | Mechanical |
| NSY69X | 55.2/69 | 61/76 | 4TNV106T-GGE | 4 | 9.8L/h | Mechanical |
