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X12
Cummins
The Cummins X12 represents the pinnacle of modern diesel engine technology for heavy-duty applications. As the latest evolution of the renowned X-Series platform, this 12-liter engine is engineered to deliver an unbeatable balance of power, efficiency, and intelligent operation. Designed as a global platform to meet the world's most stringent emission standards, including China National VI, Euro VI, and EPA regulations, the X12 is built for the future of transportation and industrial power. It is a key engine born from the U.S. SuperTruck research, focused on maximizing payload, uptime, and total cost of ownership.
The versatility of the X12 makes it a preferred power source across multiple sectors:
On-Highway Trucks: Optimally suited for long-haul and regional freight tractors, especially "Super Trucks" designed for maximum efficiency and smart logistics.
Buses & Coaches: Provides powerful, clean, and quiet performance for intercity coaches and tourist buses in the 12-15 meter range.
Off-Highway & Industrial Equipment: Powers demanding equipment in construction, agriculture, mining, and rail applications.
Specialized Vehicles: A key engine for fire trucks, emergency vehicles, and heavy-duty vocational trucks.
Unmatched Power-to-Weight Ratio: Through advanced design and use of composite materials, the X12 achieves a remarkably low dry weight of approximately 1,900 lbs, offering a significant payload advantage over competitors while maintaining exceptional structural strength.
Intelligent & Connected Performance:
ADEPT Smart Torque & Cruise Control: This system dynamically manages torque and gear shifting based on load and terrain, achieving up to a 4% improvement in fuel economy.
Connected Diagnostics & Guidanz™: Enables remote engine monitoring, fault code analysis, and guided repair processes to maximize uptime and simplify maintenance.
Advanced Combustion & Fuel System:
XPI Ultra-High-Pressure Fuel System: Derived from larger X-Series engines, this system features Leakless pressure-holding technology for precise injection (over 2000 bar), superior combustion, lower noise, and enhanced cold starts.
EGR-Free Design: The innovative non-EGR (Exhaust Gas Recirculation) architecture simplifies the engine, reduces thermal load by about 40%, and works seamlessly with the aftertreatment system to meet strict emissions standards.
Proven Reliability & Durability:
Enhanced Turbocharging: Utilizes MFS (Modular Fitting System) turbochargers with ISOPOD technology, which improve reliability, reduce thermal radiation, and provide fast torque response (up to 60% torque rise) at low RPM.
Robust Components: Features a one-piece forged steel crankshaft (50% stronger), high-strength alloy pistons, and an optimized cylinder design for lower oil consumption and a B10 life exceeding 1.2 million kilometers.
The Cummins X12 represents the pinnacle of modern diesel engine technology for heavy-duty applications. As the latest evolution of the renowned X-Series platform, this 12-liter engine is engineered to deliver an unbeatable balance of power, efficiency, and intelligent operation. Designed as a global platform to meet the world's most stringent emission standards, including China National VI, Euro VI, and EPA regulations, the X12 is built for the future of transportation and industrial power. It is a key engine born from the U.S. SuperTruck research, focused on maximizing payload, uptime, and total cost of ownership.
The versatility of the X12 makes it a preferred power source across multiple sectors:
On-Highway Trucks: Optimally suited for long-haul and regional freight tractors, especially "Super Trucks" designed for maximum efficiency and smart logistics.
Buses & Coaches: Provides powerful, clean, and quiet performance for intercity coaches and tourist buses in the 12-15 meter range.
Off-Highway & Industrial Equipment: Powers demanding equipment in construction, agriculture, mining, and rail applications.
Specialized Vehicles: A key engine for fire trucks, emergency vehicles, and heavy-duty vocational trucks.
Unmatched Power-to-Weight Ratio: Through advanced design and use of composite materials, the X12 achieves a remarkably low dry weight of approximately 1,900 lbs, offering a significant payload advantage over competitors while maintaining exceptional structural strength.
Intelligent & Connected Performance:
ADEPT Smart Torque & Cruise Control: This system dynamically manages torque and gear shifting based on load and terrain, achieving up to a 4% improvement in fuel economy.
Connected Diagnostics & Guidanz™: Enables remote engine monitoring, fault code analysis, and guided repair processes to maximize uptime and simplify maintenance.
Advanced Combustion & Fuel System:
XPI Ultra-High-Pressure Fuel System: Derived from larger X-Series engines, this system features Leakless pressure-holding technology for precise injection (over 2000 bar), superior combustion, lower noise, and enhanced cold starts.
EGR-Free Design: The innovative non-EGR (Exhaust Gas Recirculation) architecture simplifies the engine, reduces thermal load by about 40%, and works seamlessly with the aftertreatment system to meet strict emissions standards.
Proven Reliability & Durability:
Enhanced Turbocharging: Utilizes MFS (Modular Fitting System) turbochargers with ISOPOD technology, which improve reliability, reduce thermal radiation, and provide fast torque response (up to 60% torque rise) at low RPM.
Robust Components: Features a one-piece forged steel crankshaft (50% stronger), high-strength alloy pistons, and an optimized cylinder design for lower oil consumption and a B10 life exceeding 1.2 million kilometers.