Isuzu Motors Ltd. (いすゞ自動車株式会社, Isuzu Jidōsha Kabushiki-Kaisha), is a Japanese commercial vehicle and diesel engine manufacturing company headquartered in Tokyo. Its principal activity is the production, marketing and sale of Isuzu commercial vehicles and diesel engines. By 2009, Isuzu had produced over 21 million diesel engines, which can be found in vehicles all over the world.[3] Isuzu diesel engines are used by dozens of vehicle manufacturers, including General Motors.
| No. | Engine Family | Output Range (Prime Power Applications) | Number of Cylinders | |
|---|---|---|---|---|
| kVA | kWE | |||
| 1 | 4JA1 Series | 15 - 25 | 12 - 20 | 4 (In Line) |
| 2 | 4JB1 Series | 32 - 40 | 25 - 32 | 4 (In Line) |
| 3 | 4BD1 Series | 50 | 40 | 4 (In Line) |
| 4 | 4BG1 Series | 60 | 48 | 4 (In Line) |
