B4.5
- It is an in-line 4-cylinder, 16-valve, 4-stroke 4.5-liter diesel engine
- Available for commercial and recreational propulsion applications
- Based on the proven Cummins B4.5L industrial engine
- The B4.5L complies with U.S. EPA Tier 3 emissions regulations without the use of aftertreatment
- Backed by Cummins warranty
| Configuration | In-line, 4 cylinder, 4-stroke diesel |
| Aspiration | Turbocharged/ Aftercooled |
| Displacement | 4.5L (272 in3) |
| Bore & Stroke | 107 X 124 mm (4.21 x 4.88 in) |
| Fuel System | High Pressure Common Rail (HPCR) |
| Width | 861.8 mm |
| Length | 1112.1 mm |
| Height | 877 mm |
| Weight | 545 kg |
Commercial Ratings
| kW | BHP | RPM | Rated L/hr (Gal/hr) |
ISO Avg L/hr (Gal/hr) |
IMO | EPA | EU | |
| Heavy duty | 112 | 150 | 2500 | 31.8 (8.4) | 21.3 (5.6) | - | 3 | 5 |
| Intermittent | 172 | 230 | 2600 | 46.7 (12.3) | 32.0 (8.5) | 2 | 3 | - |
| Light duty | 186 | 250 | 2600 | TBD | TBD | 2 | 3 | - |
Recreational Ratings
| kW | BHP | RPM | Rated L/hr (Gal/hr) |
ISO Avg L/hr (Gal/hr) |
IMO | EPA | EU | |
| High Output | 172 | 230 | 2600 | 46.7 (12.3) | 32.0 (8.5) | 2 | 3 | - |
| 186 | 250 | 250 | 2600 | TBD | 2 | 3 | - |
Commercial Ratings
| kW | BHP | RPM | Rated L/hr (Gal/hr) |
ISO Avg L/hr (Gal/hr) |
IMO | EPA | EU | |
| Prime power at 50 Hz | 91 | 122 | 1500 | 24.6 (6.5) | 12.2 (3.2) | - | - | 5 |
| 112 | 150 | 1500 | 29.9 (7.9) | 14.7 (3.9) | - | - | 5 | |
| Prime power at 60 Hz | 76 | 102 | 1800 | 21.9 (5.8) | 11.1 (2.9) | - | 3 | - |
| 91 | 122 | 1800 | 26.9 (7.1) | 12.9 (3.4) | - | 3 | - | |
| 112 | 150 | 1800 | 29.9 (7.9) | 14.7 (3.9) | - | 3 | - | |
| 129 | 173 | 1800 | 33.7 (8.9) | 16.7 (4.4) | - | 3 | - |