QSL8.9 Diesel Engine

QSL8.9 is an 8.9L high-end power solution for heavy construction machinery, tailored for large excavators and mining equipment, excelling in high-load, long-cycle operations, making it the core power choice for high-end construction equipment.

QSL8.9 is an 8.9L high-end power solution for heavy construction machinery, tailored for large excavators and mining equipment, excelling in high-load, long-cycle operations.

Key Specifications

  • Configuration: 6-cylinder in-line, four-stroke
  • Displacement: 8.9 liters
  • Bore × Stroke: 114 mm × 145 mm
  • Aspiration: Turbocharged + air-to-air aftercooled (AA)
  • Fuel System: High-pressure common rail electronic fuel injection
  • Rated Power: 350-480hp (257-353 kW)
  • Rated Speed: up to 3000 rpm
  • Max Torque: 980-1500 N·m (at 1500 rpm)
  • Cooling System: Liquid-cooled
  • Lubrication System: Pressure lubrication
  • Applications: Large excavators, mining loaders, mining trucks, crushing equipment

Key Technologies & Advantages

  1. Power & Fuel Efficiency
    • Equipped with high-pressure common rail + variable geometry turbocharger to deliver strong low-speed torque for efficient climbing and breaking operations.
    • Optimized combustion system achieves excellent fuel economy to reduce long-cycle operating costs.
  2. Structural Reliability & Durability
    • A high-strength cast iron block combined with a forged steel crankshaft offers high fatigue resistance, enabling extreme heavy-duty operation with long overhaul intervals.
    • Reinforced piston and cylinder liner design, paired with efficient cooling and lubrication systems, maintains stable performance in harsh operating conditions.
  3. Working Condition Adaptability
    • Adapts to extreme conditions such as high altitude, high temperature, and high dust with minimal power loss.
    • Integrated aftertreatment system features a simple structure and easy maintenance.
  4. Maintenance & Service Support
    • Modular component design ensures high parts commonality
  5. Multi-scenario Adaptability
    • Customizable power and speed configurations are available to meet the high-load operating needs of large mines and construction projects.

 

 

OEM configurations, different power ratings, and complete power solutions are available.
Contact us now for price, lead time, and technical support.

Quality Assurance & Compliance

Warehouse Storage

FAQ

Q1. What is your main products and business?

A: Our core business covers diesel engine development, production, customized modification, maintenance and testing; explosion-proof engine R&D and manufacturing; Cummins spare parts supply, as well as engine overhaul and testing services.

Q2. What is your packing terms ?

A: Export-standard wooden box packaging

Q3. How about your delivery lead time?

A:The specific delivery time depends on the items and the quantity of your order. We will confirm it with your detailed order.

Q4. How to buy an engine?

A. Please provide us with your engine model, required rated power and speed, and application scenario. We will then recommend the most suitable model based on those information.

Q5. Do you provide engine customization? What's the MOQ?

A: We offer professional engine customization services and can fully tailor the products to your specific requirements, with a variety of options available for pricing, specifications and configurations. The minimum order quantity (MOQ) for customized engines is 1 unit.

Q6. Will the engines be tested before leaving the factory?

A:Yes, every engine is subjected to rigorous and comprehensive performance tests prior to shipment. We also provide clients with detailed test videos and electronic data.

Q7. What are your delivery terms ?

A: EXW, FOB, CFR, CIF,DDU,DDP.

Q8. What are your payment terms?

A: T/T, X Transfer, L/C, MoneyGram, PayPal, Cash etc

Q9.Do engines come with a warranty? What is the warranty period? What does the warranty cover?

A:Yes, the warranty period is 6 months, covering main engine components. Consumable parts and failures caused by improper operation are excluded.