14.5L Gas Engine for Dongfeng Cummin Motor 15nns6b530A Truck Engine Assembly Stage VI. Stage VI Emission Standard: Meets strict Stage VI emission requirements for natural gas engines. 14.5L Displacement: High displacement 14.5L engine designed for heavy-duty truck applications. One-Year Warranty: Comprehensive one-year warranty coverage for mechanical defects. 100% Pre-Delivery Testing: All goods undergo 100% inspection and testing before delivery. Low MOQ Requirement: Minimum order quantity starts at just 1 set for flexibility. Supercharged Cooling System: Features water-cooled design with supercharged intake pressure impulse. Fast Delivery for Spare Parts: Spare parts delivery time is typically 5-15 days. Customized Engine Selection: Models selected based on specific machine usage, power, and speed requirements.