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The Cummins X12NS6B440 is an 11.8L inline-six-cylinder diesel engine in the Cummins X12 series. It features turbocharging, intercooling, and a high-pressure common rail electronic fuel system. It offers lightweight, low fuel consumption, high power, and high reliability, making it commonly used in commercial vehicles such as heavy-duty trucks and tractors.
Special transport vehicles (for cold chain, hazardous chemicals, and other applications requiring a balance between power and emissions)
Product Features
Lightweight Design – Lighter than traditional 12-liter engines, increasing vehicle payload.
Efficient and Energy-Saving – Torque output is bursty at low rpm, saving fuel and enhancing the driving experience.
Reliable – The Cummins X-Series utilizes a modular design for easy maintenance.
Product Images
Frequently Asked Questions
Q1: What is your main products?
A1: We specialize in excavator engine spare parts, including main cylinder blocks, cylinder heads, crankshafts, engine assemblies, pistons, cylinder liners, piston rings, camshafts, connecting rods, oil pumps, water pumps, valve series products, and virtually all components of the entire engine.
Q2: If I only know the excavator model, but can't offer parts numbers, what should I do?
A2: You can send us pictures of old products, name plates, or dimensions for reference.
Q3: Can you accept sample orders?
A3: Yes, we can supply samples if we have ready parts in stock, though customers must cover the sample cost and courier fees.
Q4: Do you test all your goods before delivery?
A4: Yes, we perform 100% testing before delivery to ensure quality.
Q5: What should I do if there's an issue with the items?
A5: Our products undergo professional testing for stable quality. If issues arise, please contact our professional after-sales team for resolution.
