Cummins XCEC M8.5 Diesel Engine — 280-400 PS (China VI)
The Cummins M8.5 is an 8.5L inline-6 diesel engine from Xi'an Cummins (XCEC), purpose-built for China VI (国六) vocational truck applications. Featuring high-pressure common rail fuel injection and turbocharged intercooled aspiration, the M8.5 delivers 280-400 PS with exceptional low-speed torque. Key improvements include 30% faster transient response, 7% better climbing performance, and 10% improved fuel economy versus previous generations. B10 rated life exceeds competitors by 20%, validated through 3 million+ kilometers of extreme-condition testing. High ground clearance oil pan design with enhanced water and vibration resistance.
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Technical Specifications
| Displacement | 8.5 Liters |
| Power Range | 280 - 400 PS |
| Cylinders | Inline 6 |
| Aspiration | Turbocharged & Intercooled |
| Fuel System | High-Pressure Common Rail |
| Emissions | China VI (国六) |
| Transient Response | +30% Improvement |
| Fuel Economy | +10% Improvement |
| B10 Life | 20% Longer than Competitors |
| Validation | 3,000,000+ km Extreme Conditions |
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