QSZ13 Diesel Engine

The QSZ13 is a high-power 13-liter heavy-duty diesel engine designed for generator sets, mining equipment, marine propulsion, and oil & gas applications.
Delivering exceptional torque, durability, and long-hour continuous operation capability, it is a proven solution for the most demanding environments.

Technical Specifications

QSZ13 Engine Model

Model Rated Power (kW/rpm) Max Torque (N·m @ rpm)
QSZ13-C550-30 410 @ 1900 2650 @ 1300–1500

The QSZ13 diesel engine is a heavy-duty, high-displacement power solution developed for applications requiring extreme reliability, high torque output, and continuous operation under severe conditions.

With a displacement of 13 liters and advanced electronic control technology, the QSZ13 delivers outstanding power performance while maintaining excellent fuel efficiency and durability.

Positioned as the larger, more powerful sibling of the QSM11, the QSZ13 is widely used in large generator sets, mining machinery, marine propulsion systems, and oil & gas equipment, where uptime and performance are mission-critical.

Key Technical Features

  • High-Displacement 13L Platform
    Provides superior power reserve and torque output for heavy-duty and continuous-load applications.

  • Full Electronic Control System
    Ensures precise fuel injection, optimized combustion, and stable performance under varying loads.

  • Heavy-Duty Engine Structure
    Reinforced cylinder block and crankshaft designed to withstand extreme mechanical stress and long operating hours.

  • Optimized for Continuous Operation
    Ideal for prime power generator sets and mining equipment operating in harsh environments.

Core Advantages

  • Exceptional Power Output

    Suitable for generator sets, construction machinery, and marine propulsion
  • Massive Low-Speed Torque
    Maximum torque of up to 2650 N·m, ensuring excellent load acceptance and pulling capability.

  • High Reliability & Long Service Life
    Designed for mining, oilfield, and marine applications where downtime is unacceptable.

  • Excellent Fuel Efficiency
    Optimized combustion strategy reduces fuel consumption during long-hour operation.

Core Applications

  • Power Generation
    Prime and standby generator sets for data centers, industrial plants, hospitals, and remote sites.

  • Mining & Construction Equipment
    Large mining trucks, large excavators, rotary drilling rigs, and heavy-duty construction machinery.

  • Marine Applications
    Main engines for inland vessels and auxiliary engines for large ships.

  • Oil & Gas Equipment
    Drilling rigs, fracturing equipment, and field power units.

Relationship to QSM11

The QSZ13 can be considered the higher-displacement, higher-power counterpart of the QSM11, sharing  heavy-duty engineering philosophy while delivering significantly increased torque and power output.

Technical Specifications

QSZ13 Engine Model

Model Rated Power (kW/rpm) Max Torque (N·m @ rpm)
QSZ13-C550-30 410 @ 1900 2650 @ 1300–1500

General Specifications

  • Engine Series: Cummins QSZ Series

  • Engine Type: Inline 6-cylinder, 4-stroke

  • Displacement: 13.0 L

  • Aspiration: Turbocharged & Aftercooled

  • Fuel System: Electronically Controlled Fuel Injection

  • Cooling System: Water-cooled

  • Governor Type: Electronic

  • Application Type: Industrial / Power Generation / Mining / Marine

Custom configurations are available for generator, mining, and marine applications.
Contact us now for technical specifications, pricing, and delivery solutions.

 

Model

QSZ13-C550-30

Rated Power (kW@rpm)

410/1900

Max Torque (N·m@rpm)

2650@1300-1500

Series

Z Series

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.