An undisputed leader when it comes to heavy-duty truck engines, Cummins continuously modifies, upgrades, and improves their engines to deliver some of the highest levels of performance and efficiency in the industry.
Built on a proud history of innovation and commitment to quality, Cummins engines are made to address the challenges of the future, just like the Western Star trucks they’re fitted in. We offer the following Cummins diesel truck engines fitted to our Western Star Trucks.
Cummins L9
The L9 is designed to excel in some of the toughest duty cycles. High-strength components and features, like replaceable cylinder liners for easier rebuilding, add life to the engine and add to its residual value.
Features
See what the Cummins L9 is made of.
| Configuration | 6 Cylinder |
| Displacement | 8.9 L |
| Weight (Dry) | 769 kg (1695 lb) |
| Torque Range | 850-1250 lb-ft |
| Horsepower | Up to 380 HP |
Availability
The Cummins L9 is fitted to the Western Star 47X.
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