The B5.9 Engineering Machinery Engine is a 5.9-liter, six-cylinder diesel engine known for its strong power and smooth performance. It is widely used in excavators, loaders, rollers, drilling rigs, and other construction equipment. Because of its proven reliability, the B5.9 Engineering Machinery Engine has become a trusted choice for many industrial applications.
Built with a simple mechanical design, the B5.9 Engineering Machinery Engine ensures long service life and reduced downtime. In addition, its structure allows easy maintenance, helping operators save time and cost. Therefore, it offers both durability and convenience in tough working environments.
Although the B5.9 Engineering Machinery Engine delivers strong output, it remains compact and easy to install. Moreover, it performs consistently under high load, providing smooth operation and better fuel efficiency.
The B5.9 Engineering Machinery Engine meets global emission standards and is supported by Cummins’ worldwide service network. As a result, customers can rely on stable performance, easy parts access, and long-term support anywhere in the world.
In conclusion, the B5.9 Engineering Machinery Engine offers the perfect balance of power, efficiency, and dependability for all types of engineering machinery.
| Model | Emission Standard | Governed (kW@RPM) | Peak Torque (Nm@RPM) | Cylinders | Displacement (Liters) |
| 6BT5.9-C125-II | China Stage II | 92@2200 | 540@1400 | 6 | 5.9 |
| 6BT5.9-C130-1l | China Stage II | 97@2200 | 560@1500 | 6 | 5.9 |
| 6BTA5.9-C150-ll | China Stage II | 112@2200 | 655@1500 | 6 | 5.9 |
| 6BTA5.9-C165-II | China Stage II | 123@2200 | 694@1500 | 6 | 5.9 |
| 6BTA5.9-C170-II | China Stage II | 127@2000 | 650@1500 | 6 | 5.9 |
| 6BTA5.9-C180-II | China Stage II | 132@2500 | 630@1500 | 6 | 5.9 |
| 6BTA5.9-C180-1l | China Stage II | 132@2200 | 750@1300 | 6 | 5.9 |
| 6BTAA5.9-C130 | China Stage II | 97@2200 | 580@1400 | 6 | 5.9 |
| 6BTAA5.9-C150-ll | China Stage II | 112@1950 | 624@1500 | 6 | 5.9 |
| 6BTAA5.9-C160 | China Stage II | 118@2200 | 670@1500 | 6 | 5.9 |
| 6BTAA5.9-C170 | China Stage II | 125@2200 | 750@1400 | 6 | 5.9 |
| 6BTAA5.9-C178-II | China Stage II | 133@2000 | 708@1500 | 6 | 5.9 |
| 6BTAA5.9-C180 | China Stage II | 132@2200 | 770@1400 | 6 | 5.9 |
| 6BTAA5.9-C190 | China Stage II | 142@2000 | 800@1400 | 6 | 5.9 |
| 6BTAA5.9-C205 | China Stage II | 153@2000 | 870@1400 | 6 | 5.9 |