The Cummins QSM11 is an 11-liter heavy-duty diesel engine designed for demanding applications such as construction machinery, mining equipment, marine propulsion, and industrial power generation. With its robust in-line 6-cylinder configuration, the QSM11 delivers high torque output, reliable performance, and excellent fuel efficiency. It is equipped with advanced electronic control modules (such as the CM570 or CM876), supporting multiple power ratings to meet diverse operational requirements. Proven for durability, the QSM11 is widely trusted in global markets for its long service life and ease of maintenance.
Key Features & Benefits
High Power Density: Provides up to 400 horsepower in a compact package, suitable for machines with limited installation space.
Outstanding Low-End Torque: Delivers superior torque at low engine speeds, ideal for frequent load changes and improving machine responsiveness.
Advanced Electronic Control (ECM): Equipped with Cummins' CM570 or CM876, ensuring precise fuel injection, engine protection, performance monitoring, and onboard diagnostics.
Excellent Fuel Economy: Optimized fuel mapping and combustion result in lower fuel consumption, reducing overall operating costs.
Rugged and Durable Design: Built with a reinforced cast iron block, forged steel crankshaft, and wear-resistant components to ensure long-lasting performance in harsh environments.
Flexible Fuel System Options: Configurable with either PT fuel system or high-pressure common rail (HPCR) to meet application needs.
Ease of Maintenance: Modular component design and widespread parts availability reduce service time and downtime.
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.